並列運転可能　Parallel OperationFM SERIES 160～200W DC/DC CONVERTERS

H20×W60×L120 (mm)H20×W60×L120 (mm)

FMU type FMS type

■ Selection Guide

＊上記仕様以外にも対応可能ですのでお問い合わせください。 　Please consult with us about other specification.

■ General Characteristics

■ Features

Table 1

Input Voltage,Range Output Voltage,Current Output Voltage Range Efficiency Line Regulation Load Regulation Reflected Input Ripple Noise Output Ripple Output Noise Short Circuit Protection Over Voltage Protection Temperature Coefficient Operating Ambient Temp. Max. Plate Temperature Storage Temperature Isolation Voltage Isolation Impedance Weight Humidity Shock Vibration Surface Structure MTBF Warranty

(at Ta:25℃, Full Load, Nominal Vin)

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DC12, 24, 48, 100, 140V (See Table 1) See Table 1 ±10％ Adjustable See Table 1 ±0.3％ max. (at Vin Range) 3％ max. (0～100％ Load) (See Fig 6) (5％ Vin)Vp-p max. 80mVp-p max. (0.5% Vout+100mV)p-p max. Built-in, Auto-restart (See Fig 5) 115～140％ Output Voltage 0.02％／℃ max. －40℃～＋85℃ (See Fig 1) +105℃ －55℃～＋125℃ AC2000V one minute (Input－Output－Case) 100MΩ min. (at DC1000V) (Input－Output－Case) Main Body：350g max. Heat Sink A3-13910：135g max. A3-13911：175g max. A3-13915：425g max. 20～95％ RH 490m/s2 (11msec 3directions) 10～55Hz 98m/s2 (30minutes 3directions) Aluminium Case 400,000H (Ta:25℃, 80％Load, Nominal Vin) 5 years

Built-in Input Filter Input-Output Isolation High Efficiency 87～91％ Wide Input Voltage Range High Reliability Adjustable Output Volt. ±10％ Input Low Voltage Protection Input Over Voltage Protection Output Over Voltage Protection Thermal Protection ＋110℃～＋120℃ Possible Parallel Operation up to 3 converters Operating Ambient Temperature －40℃～＋85℃ Conformity to RoHS Directive Not built-in aluminum and tantalum electrolytic capacitor

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入力フィルタ内蔵 入出力間絶縁 高効率 87～91％ 広範囲な入力電圧 高信頼性 可変出力電圧 ±10％ 入力低電圧保護回路内蔵 入力過電圧保護回路内蔵 出力過電圧保護回路内蔵 過熱保護回路内蔵 ＋110℃～＋120℃ 3台まで並列運転可能 動作周囲温度 －40℃～＋85℃ RoHS指令対応 アルミ電解コンデンサ及び タンタルコンデンサ不使用

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Model NumberInput Volt. (Range) (V. DC)

Output Voltage (V. DC)

Efficiency (Typical)(％)

Output Current (A)

3.3 5 6 12 13.8 15 24 28 48 3.3 5 6 12 13.8 15 24 28 48 3.3 5 6 12 13.8 15 24 28 48 3.3 5 6 12 13.8 15 24 28 48 3.3 5 6 12 13.8 15 24 28 48

32 32 26.6 13.4 11.6 10.7 6.7 5.8 3.4 40 32 26.6 16.7 14.5 13.4 8.4 7.2 4.2 40 32 26.6 16.7 14.5 13.4 8.4 7.2 4.2 40 32 26.6 16.7 14.5 13.4 8.4 7.2 4.2 40 32 26.6 16.7 14.5 13.4 8.4 7.2 4.2

87 89 89 89 89 89 89 89 89 90 91 91 91 91 91 91 91 91 90 91 91 91 91 91 91 91 91 90 91 91 91 91 91 91 91 91 90 91 91 91 91 91 91 91 91

85 86 86 87 87 87 87 87 87 88 90 90 90 90 90 90 90 90 88 91 91 91 91 91 91 91 91 85 87 87 87 87 87 87 87 87 85 87 87 87 87 87 87 87 87

12

(8～18)

at 50%Load

(9～18)

at 100%Load

24

(16～36)

48

(36～76)

100

(64～144)

140

(90～200)

FMU (FMS ) 12－ 3.3S 32A FMU (FMS ) 12－ 5S 32A FMU (FMS ) 12－ 6S26.6A FMU (FMS ) 12－ 12S13.4A FMU (FMS ) 12－13.8S11.6A FMU (FMS ) 12－ 15S10.7A FMU (FMS ) 12－ 24S 6.7A FMU (FMS ) 12－ 28S 5.8A FMU (FMS ) 12－ 48S 3.4A FMU (FMS ) 24－ 3.3S 40A FMU (FMS ) 24－ 5S 32A FMU (FMS ) 24－ 6S26.6A FMU (FMS ) 24－ 12S16.7A FMU (FMS ) 24－13.8S14.5A FMU (FMS ) 24－ 15S13.4A FMU (FMS ) 24－ 24S 8.4A FMU (FMS ) 24－ 28S 7.2A FMU (FMS ) 24－ 48S 4.2A FMU (FMS ) 48－ 3.3S 40A FMU (FMS ) 48－ 5S 32A FMU (FMS ) 48－ 6S26.6A FMU (FMS ) 48－ 12S16.7A FMU (FMS ) 48－13.8S14.5A FMU (FMS ) 48－ 15S13.4A FMU (FMS ) 48－ 24S 8.4A FMU (FMS ) 48－ 28S 7.2A FMU (FMS ) 48－ 48S 4.2A FMU (FMS )100－ 3.3S 40A FMU (FMS )100ー 5S 32A FMU (FMS )100－ 6S26.6A FMU (FMS )100ー 12S16.7A FMU (FMS )100－13.8S14.5A FMU (FMS )100ー 15S13.4A FMU (FMS )100ー 24S 8.4A FMU (FMS )100ー 28S 7.2A FMU (FMS )100ー 48S 4.2A FMU (FMS )140 － 3.3S 40A FMU (FMS )140－ 5S 32A FMU (FMS )140－ 6S26.6A FMU (FMS )140－ 12S16.7A FMU (FMS )140－13.8S14.5A FMU (FMS )140－ 15S13.4A FMU (FMS )140－ 24S 8.4A FMU (FMS )140－ 28S 7.2A FMU (FMS )140－ 48S 4.2A

20% Load 80% Load

88 90 90 90 90 90 90 90 90 91 92 92 92 92 92 92 92 92 91 92 92 92 92 92 92 92 92 91 92 92 92 92 92 92 92 92 91 92 92 92 92 92 92 92 92

50% Load

■ Option Heat Sink

A3-13915

A3-13910

A3-13911

30×138×103 (mm)

30×59×103 (mm)

20×59×103 (mm)

■ Block Diagram

Fig 1 Derating Curve

■ Characteristic Curves

FM SERIES DATA SHEET

□

□

□

□

Photo Coupler

Drive Circuit

Thermal Protector

Control

Voltage Regulator

Photo Coupler

Surge Absorber

3

4

＋Vout

0 Vout

＋Vin

0 Vin

1

2

Low Volt. Detector

Over Voltage

Detector

Over Volt. Detector

Rectifier Circuit

Control Circuit

Over Current

Voltage Detector

Output Current (％)

Temperature (℃)

140

120

100

80

60

40

20

0-30-40 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110

Max Case Temp. 105℃

No Heat Sink

Additional Option Heat Sink A3-13910 H=20㎜

Additional Option Heat Sink A3-13911 H=30㎜

■ Terminal Outs & Dimensions(±0.5mm)FMU type

FMS type60

54±0.3

3380±0.3

120

12.515 12.5

＋Vdc in

0 Vdc in

＋Vdc out

0 Vdc out

Voltage adjustable

trimmer

Terminal Outs

Name Plate 20

8

1

1

2

3

4

2

3

4

60

54±0.3

33

80±0.3

120

12.515 12.5

Name Plate 20

8

4-M4

Cover

4-φ3.5

V.ADJ

V.ADJ

4-M4

Cover

1

2

3

4

＋Vdc in

0 Vdc in

＋Vdc out

0 Vdc out

Voltage adjustable

trimmer

Terminal Outs

1

2

3

4

V.ADJ

V.ADJ4-φ3.58

8

13.7

35.75

13.7

35.75

60±0.3

103

59

50±0.3

20

5 4-φ3.5

■ Option Heat Sink

＊Option Heat Sink Model : A3-13910

30

5

＊Option Heat Sink Model : A3-13911

60±0.3

103

59

50±0.3

4-φ3.5

+Vin 0V

in +Vout 0V

out+Vin 0V

in +Vout 0V

out

Fig 2 Temperature Characteristic on Case Surface

FMU24-12S16.7A Additonal Heat Sink A3-13910 Ambient Temperature=25℃, 80% Load, Vin=Nominal

Temperature (℃)

Operating Time (minute)

110

100

90

80

70

60

50

40

30

20

100 20 40 60 80 100 120 140 160

ΔT＝62.8℃

Fig 3 Temperature Characteristic on Case Surface

FMU24-12S16.7A Additonal Heat Sink A3-13911 Ambient Temperature=25℃, 100% Load, Vin=Nominal

Temperature (℃)

Operating Time (minute)

110

100

90

80

70

60

50

40

30

20

100 20 40 60 80 100 120 140 160

ΔT＝75.3℃

＊Option Heat Sink Model : A3-13915Fig 4 Temperature Characteristic on Case Surface

FMU24-12S16.7A Additonal Heat Sink A3-13915 Ambient Temperature=25℃, 100% Load, Vin=Nominal

Temperature (℃)

Operating Time (minute)

90

80

70

60

50

40

30

20

10

00 20 40 60 80 100 120 140 160

ΔT＝35.5℃

30

5 60±0.3

103

138

50±0.3

4-φ3.5

54±0.3

4-φ8

Additional Option Heat Sink A3-13915 H=30㎜

80±0.3

FM SERIES DATA SHEETFig 9 Efficiency vs. Output Current

100

90

80

70

60

50

40

Output Current (％)

Efficiency (％)

Vin=48V (Nominal Voltage)

Vin=76V

Vin=36V

FM48－5S32A

0 10 20 30 40 50 60 70 80 90 100

Fig 7 Efficiency vs. Output Current 100

90

80

70

60

50

40

Output Current (％)

Efficiency (％)

Vin=12V (Nominal Voltage)

Vin=18V

Vin=8V

FM12-12S13.4A

0 10 20 30 40 50 60 70 80 90 100

Fig 8 Efficiency vs. Output Current 100

90

80

70

60

50

40

Output Current (％)

Efficiency (％)

Vin=24V (Nominal Voltage)

Vin=36V

Vin=16V

FM24-24S8.4A

0 10 20 30 40 50 60 70 80 90 100

Fig 10 Efficiency vs. Output Current 100

90

80

70

60

50

40

Output Current (％)Efficiency (％)

Vin=100V (Nominal Voltage)

Vin=144V

Vin=64V

FM100-24S8.4A

0 10 20 30 40 50 60 70 80 90 100

Fig 11 Efficiency vs. Output Current 100

90

80

70

60

50

40

Output Current (％)

Efficiency (％)

Vin=140V (Nominal Voltage)

Vin=200V

Vin=90V

FM140-12S16.7A

0 10 20 30 40 50 60 70 80 90 100

Fig 5 Short Circuit Operating Area

Output Current (％)

Output Voltage (％)

140

120

100

80

60

40

20

060 80 100 120 140 160 180 200 220

Fig 6 Output Current vs. Output Voltage

5.20

5.15

5.10

5.05

5.00

4.95

4.90

Output Current (%)

Output Voltage (V)

0 10 20 30 40 50 60 70 80 90 100

＊並列運転時に各モジュールの電流を平均化するため

　負荷変動を大きくしてあります。

Load Regulation is regulated large on purpose to equate

the each unit's output current at parallel operation.

12.3

12.2

12.1

12.0

11.9

11.8

Vout=12V

Vout=5V

（V ）

FM SERIES DATA SHEET■ Parallel Operation

Fig 12 Parallel Operation Connection

同機種を並列に動作させることにより、出力電流容量を増やすことが

できます。下図のように結線し、各コンバータ間の出力電圧を同じ電

圧に調整することで、並列運転ができます。(Fig 12を御参照ください)

It is possible to increase output current capacity by parallel

operation of the same model. Please see the below figure for

wiring instruction. Prallel operation is possible by each outputs

to be same voltage.

DC/DC converter FM series

+Vin

0Vin

+Vout

0Vout

V.ADJ

DC/DC converter FM series

+Vin

0Vin

+Vout

0Vout

V.ADJ

DC/DC converter FM series

+Vin

0Vin

+Vout

0Vout

V.ADJ

Input power source

Load

並列運転可能　Parallel Operation KM SERIES 160～200W DC/DC CONVERTERS

H20×W60×L135 (mm)H20×W60×L135 (mm)

KMU type KMS type

Input Voltage,Range Output Voltage,Current Output Voltage Range Efficiency Line Regulation Load Regulation Reflected Input Ripple Noise Output Ripple Output Noise Short Circuit Protection Over Voltage Protection Remote ON/OFF Control Temperature Coefficient Operating Ambient Temp. Max. Plate Temperature Storage Temperature Isolation Voltage Isolation Impedance Weight Humidity Shock Vibration Surface Structure MTBF Warranty

(at Ta:25℃, Full Load, Nominal Vin)

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■ General Characteristics

DC12, 24, 48, 100, 140V (See Table 1) See Table 1 ±10％ Adjustable See Table 1 ±0.3％ max. (at Vin Range) 3％ max. (0～100％ Load) (See Fig 3) (5％ Vin)Vp-p max. 80mVp-p max. (0.5% Vout+100mV)p-p max. Built-in, Auto-restart (See Fig 5) 115～140％ Output Voltage ON :Short or 0～0.8V OFF:Open or 2～10V (Between pin ② ～ ③ ) 0.02％／℃ max. －40℃～＋85℃ (See Fig 1) +105℃ －55℃～＋125℃ AC2000V one minute (Input－Output－Case) 100MΩ min. (at DC1000V) (Input－Output－Case) Main Body：350g max. Heat Sink A3-13910：135g max. A3-13911：175g max. A3-13915：425g max. 20～95％ RH 490m/s2 (11msec 3directions) 10～55Hz 98m/s2 (30minutes 3directions) Aluminium Case 400,000H (Ta:25℃, 80％Load, Nominal Vin) 5 years

■ Features Built-in Input Filter Input-Output Isolation High Efficiency 87～91％ Wide Input Voltage Range High Reliability Adjustable Output Volt. ±10％ Input Low Voltage Protection Input Over Voltage Protection Output Over Voltage Protection Thermal Protection ＋110℃～＋120℃ Remote ON/OFF Control Possible Parallel Operation up to 3 converters Operating Ambient Temperature －40℃～＋85℃ Conformity to RoHS Directive Not built-in aluminum and tantalum electrolytic capacitor

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入力フィルタ内蔵 入出力間絶縁 高効率 87～91％ 広範囲な入力電圧 高信頼性 可変出力電圧 ±10％ 入力低電圧保護回路内蔵 入力過電圧保護回路内蔵 出力過電圧保護回路内蔵 過熱保護回路内蔵 ＋110℃～＋120℃ リモートON/OFFコントロール 3台まで並列運転可能 動作周囲温度 －40℃～＋85℃ RoHS指令対応 アルミ電解コンデンサ及び タンタルコンデンサ不使用

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■ Selection Guide

＊上記仕様以外にも対応可能ですのでお問い合わせください。 　Please consult with us about other specification.

Model NumberInput Volt. (Range) (V. DC)

Output Voltage (V. DC)

Efficiency (Typical)(％)

Output Current (A)

3.3 5 6 12 13.8 15 24 28 48 3.3 5 6 12 13.8 15 24 28 48 3.3 5 6 12 13.8 15 24 28 48 3.3 5 6 12 13.8 15 24 28 48 3.3 5 6 12 13.8 15 24 28 48

32 32 26.6 13.4 11.6 10.7 6.7 5.8 3.4 40 32 26.6 16.7 14.5 13.4 8.4 7.2 4.2 40 32 26.6 16.7 14.5 13.4 8.4 7.2 4.2 40 32 26.6 16.7 14.5 13.4 8.4 7.2 4.2 40 32 26.6 16.7 14.5 13.4 8.4 7.2 4.2

87 89 89 89 89 89 89 89 89 90 91 91 91 91 91 91 91 91 90 91 91 91 91 91 91 91 91 90 91 91 91 91 91 91 91 91 90 91 91 91 91 91 91 91 91

85 86 86 87 87 87 87 87 87 88 90 90 90 90 90 90 90 90 88 91 91 91 91 91 91 91 91 85 87 87 87 87 87 87 87 87 85 87 87 87 87 87 87 87 87

12

(8～18)

at 50%Load

(9～18)

at 100%Load

24

(16～36)

48

(36～76)

100

(64～144)

140

(90～200)

KMU (KMS ) 12－ 3.3S 32A KMU (KMS ) 12－ 5S 32A KMU (KMS ) 12－ 6S26.6A KMU (KMS ) 12－ 12S13.4A KMU (KMS ) 12－13.8S11.6A KMU (KMS ) 12－ 15S10.7A KMU (KMS ) 12－ 24S 6.7A KMU (KMS ) 12－ 28S 5.8A KMU (KMS ) 12－ 48S 3.4A KMU (KMS ) 24－ 3.3S 40A KMU (KMS ) 24－ 5S 32A KMU (KMS ) 24－ 6S26.6A KMU (KMS ) 24－ 12S16.7A KMU (KMS ) 24－13.8S14.5A KMU (KMS ) 24－ 15S13.4A KMU (KMS ) 24－ 24S 8.4A KMU (KMS ) 24－ 28S 7.2A KMU (KMS ) 24－ 48S 4.2A KMU (KMS ) 48－ 3.3S 40A KMU (KMS ) 48－ 5S 32A KMU (KMS ) 48－ 6S26.6A KMU (KMS ) 48－ 12S16.7A KMU (KMS ) 48－13.8S14.5A KMU (KMS ) 48－ 15S13.4A KMU (KMS ) 48－ 24S 8.4A KMU (KMS ) 48－ 28S 7.2A KMU (KMS ) 48－ 48S 4.2A KMU (KMS )100－ 3.3S 40A KMU (KMS )100ー 5S 32A KMU (KMS )100－ 6S26.6A KMU (KMS )100ー 12S16.7A KMU (KMS )100－13.8S14.5A KMU (KMS )100ー 15S13.4A KMU (KMS )100ー 24S 8.4A KMU (KMS )100ー 28S 7.2A KMU (KMS )100ー 48S 4.2A KMU (KMS )140 － 3.3S 40A KMU (KMS )140－ 5S 32A KMU (KMS )140－ 6S26.6A KMU (KMS )140－ 12S16.7A KMU (KMS )140－13.8S14.5A KMU (KMS )140－ 15S13.4A KMU (KMS )140－ 24S 8.4A KMU (KMS )140－ 28S 7.2A KMU (KMS )140－ 48S 4.2A

20% Load 80% Load

88 90 90 90 90 90 90 90 90 91 92 92 92 92 92 92 92 92 91 92 92 92 92 92 92 92 92 91 92 92 92 92 92 92 92 92 91 92 92 92 92 92 92 92 92

50% Load

Table 1

■ Option Heat Sink

A3-13915

A3-13910

A3-13911

30×138×103 (mm)

30×59×103 (mm)

20×59×103 (mm)

■ Block Diagram

■ Characteristic Curves

KM SERIES DATA SHEET

□

□

□

□

□

□ Photo Coupler

Drive Circuit

Thermal Protector

Control

Voltage Regulator

RC

Surge Absorber

5

6

7

＋Vout

NC

V. ADJ

0 Vout

＋Vin

0 Vin

1

2

3

Low Volt. Detector

Over Voltage

Detector

Over Volt. Detector

Rectifier Circuit

Control Circuit

Over Current

□ FG 4□ 8

Voltage Detector

Photo Coupler

Fig 1 Derating Curve

Output Current (％)

Temperature (℃)

140

120

100

80

60

40

20

0-30-40 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110

■ Terminal Outs & Dimensions (±0.5mm)KMU type

KMS type

88

1

2

3

4

Cover

Short piece

Cover

7-M4

4-φ3.5

4-φ3.5

7-M4

Short piece

6

7

8

5

60

54±0.3

33

20

1

2

3

4

13580±0.312.515 12.5 15

6

7

8

5

13580±0.312.515 12.5 15

60

54±0.3

33

20

＋Vdc in

0 Vdc in

RC

FG

+Vdc out

0Vdc out

V. ADJ

NC

Terminal Outs

1

2

3

4

5

6

7

8Base Plate

Base Plate

＋Vdc in

0 Vdc in

RC

FG

+Vdc out

0Vdc out

V. ADJ

NC

Terminal Outs

1

2

3

4

5

6

7

8

Voltage Adjustable Trimmer

Voltage Adjustable Trimmer

8

8

Max Case Temp. 105℃

No Heat Sink

Additional Option Heat Sink A3-13910 H=20㎜

Additional Option Heat Sink A3-13911 H=30㎜

Additional Option Heat Sink A3-13915 H=30㎜

60±0.3

103

59

50±0.3

20

5 4-φ3.5

■ Option Heat Sink

＊Option Heat Sink Model : A3-13910

30

5

＊Option Heat Sink Model : A3-13911

60±0.3

103

59

50±0.3

4-φ3.5

Fig 2 Temperature Characteristic on Case Surface

KMU24-12S16.7A Additonal Heat Sink A3-13910 Ambient Temperature=25℃, 80% Load, Vin=Nominal

Temperature (℃)

Operating Time (minute)

110

100

90

80

70

60

50

40

30

20

100 20 40 60 80 100 120 140 160

ΔT＝62.8℃

Fig 3 Temperature Characteristic on Case Surface

KMU24-12S16.7A Additonal Heat Sink A3-13911 Ambient Temperature=25℃, 100% Load, Vin=Nominal

Temperature (℃)

Operating Time (minute)

110

100

90

80

70

60

50

40

30

20

100 20 40 60 80 100 120 140 160

ΔT＝75.3℃

＊Option Heat Sink Model : A3-13915Fig 4 Temperature Characteristic on Case Surface

KMU24-12S16.7A Additonal Heat Sink A3-13915 Ambient Temperature=25℃, 100% Load, Vin=Nominal

Temperature (℃)

Operating Time (minute)

90

80

70

60

50

40

30

20

10

00 20 40 60 80 100 120 140 160

ΔT＝35.5℃

30

5 60±0.3

103

138

50±0.3

4-φ3.5

54±0.3

4-φ8

80±0.3

Name Plate

Name Plate

+Vin 0V

in RC FG

NC V.ADJ 0Vout +Vout

+Vin 0V

in RC FG

NC V.ADJ 0Vout +Vout

KM SERIES DATA SHEETFig 9 Efficiency vs. Output Current

100

90

80

70

60

50

40

Output Current (％)

Efficiency (％)

Vin=48V (Nominal Voltage)

Vin=76V

Vin=36V

KM48－5S32A

0 10 20 30 40 50 60 70 80 90 100

Fig 7 Efficiency vs. Output Current 100

90

80

70

60

50

40

Output Current (％)

Efficiency (％)

Vin=12V (Nominal Voltage)

Vin=18V

Vin=8V

KM12-12S13.4A

0 10 20 30 40 50 60 70 80 90 100

Fig 8 Efficiency vs. Output Current 100

90

80

70

60

50

40

Output Current (％)

Efficiency (％)

Vin=24V (Nominal Voltage)

Vin=36V

Vin=16V

KM24-24S8.4A

0 10 20 30 40 50 60 70 80 90 100

Fig 10 Efficiency vs. Output Current 100

90

80

70

60

50

40

Output Current (％)Efficiency (％)

Vin=100V (Nominal Voltage)

Vin=144V

Vin=64V

KM100-24S8.4A

0 10 20 30 40 50 60 70 80 90 100

Fig 11 Efficiency vs. Output Current 100

90

80

70

60

50

40

Output Current (％)

Efficiency (％)

Vin=140V (Nominal Voltage)

Vin=200V

Vin=90V

KM140-12S16.7A

0 10 20 30 40 50 60 70 80 90 100

Fig 5 Short Circuit Operating Area

Output Current (％)

Output Voltage (％)

140

120

100

80

60

40

20

060 80 100 120 140 160 180 200 220

Fig 6 Output Current vs. Output Voltage

5.20

5.15

5.10

5.05

5.00

4.95

4.90

Output Current (%)

Output Voltage (V)

0 10 20 30 40 50 60 70 80 90 100

＊並列運転時に各モジュールの電流を平均化するため

　負荷変動を大きくしてあります。

Load Regulation is regulated large on purpose to equate

the each unit's output current at parallel operation.

12.3

12.2

12.1

12.0

11.9

11.8

Vout=12V

Vout=5V

（V ）

KM SERIES DATA SHEET■ Parallel Operation

Fig 12 Parallel Operation Connection

同機種を並列に動作させることにより、出力電流容量を増やすことが

できます。下図のように結線し、各コンバータ間の出力電圧を同じ電

圧に調整することで、並列運転ができます。(Fig 12を御参照ください)

It is possible to increase output current capacity by parallel

operation of the same model. Please see the below figure for

wiring instruction. Prallel operation is possible by each outputs

to be same voltage.

Remote control signal

DC/DC converter KM series

+Vin

0Vin

+Vout

0Vout

FG

RC V.ADJ

DC/DC converter KM series

+Vin

0Vin

+Vout

0Vout

FG

RC V.ADJ

DC/DC converter KM series

+Vin

0Vin

+Vout

0Vout

FG

RC V.ADJ

Input power source

Load

H36×W100×L220 (mm)

RDP SERIES Single Output250W DC/DC CONVERTERS

並列運転可能 Parallel Operation

■ Terminal Outs & Dimensions (±0.5mm)<Top View>

＋Vdc in

０Vdc in

＋RC

ーRC

NC

NC

FG

Terminal Outs and Function

+Vdc out

NC

NC

0Vdc out

V.ADJ

Operate Indicator

2-M5

100

25.3 36

4-φ5.5

Short piece

4-M3

M4 6depth for FG Terminal

4-M3 7depth for Optional Heatsink

7.5 85 7.5

+Vin 0Vin+RC -RC NC NC

+Vout 0Vout

NC NC V.ADJRUN

Cover

Operate Indicater

Voltage Adjustable Trimmer

■ Features ●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

Wide Input Voltage Range

Hige Efficiency 85%～92%

Input-Output Isolation (AC2000V)

Low Output Ripple and Noise

Possible Parallel Operation

up to 4 converters

Remote ON/OFF Control

Input Rush Current Protection

Input Low Voltage Protection

Input Over Voltage Protection

Output Over Voltage Protection

120%～140% Operation

Operating Ambient Temp

ー25℃～＋71℃

Max.Case Temperature＋85℃

Conformity to RoHS Directive

広範囲な入力電圧範囲

高効率　85%～92%

入出力間絶縁 (AC2000V)

ﾘｯﾌﾟﾙ,ﾉｲｽﾞが小さい

4台まで並列運転可能

ﾘﾓｰﾄON/OFFｺﾝﾄﾛｰﾙ機能

入力突入電流保護回路内蔵

入力低電圧保護回路内蔵

入力過電圧保護回路内蔵

出力過電圧保護回路内蔵

120%～140%動作

動作周囲温度

ー25℃～＋71℃

最大ケース温度＋85℃

RoHS指令対応

(at Ta:25℃, Full Load, Nominal Vin)

■ General Characteristics

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

DC 12, 24, 48, 96V (See Table 1)

See Table 1

ｰ3～+10％Adjustable

See Table 1

0.2% max. (at Vin Range)

±1.5% typ. (0～100% Load) (See Fig 8)

(0.1% Vout+50mV)p-p max.

(0.5% Vout+50mV)p-p max.

Built-in,Auto-restart (See Fig 2)

Built-in,Shut-down

(120%～140% Vout)

ON : Short or 0～0.8Ｖ

OFF : Open or 2～10Ｖ (Between pin ③ ～ ④ )

0.02%／℃ max.

ー25℃～＋71℃ (See Fig 1)

＋85℃

ー40℃～＋85℃

AC2000V one minute

(Input－Output－Case)

100MΩ min. (at DC1000V)

(Input－Output－Case)

Main Body : 1.8Kg max

Heatsink : 400g max

20～95％ RH

490m/s2 (11msec 3directions)

JIS E4031 Category 1 - Class B

Aluminium Case

100,000H

(Ta:25℃,80％Load,Nominal Vin)

5 years

Input Voltage,Range

Output Voltage, Current

Output Voltage Accuracy

Efficiency

Line Regulation

Load Regulation

Output Ripple

Output Noise

Short Circuit Protection

Output Over Voltage

Protection

Remote ON/OFF Control

Temperature Coefficient

Operating Ambient Temp.

Max.Case Temp.

Storage Temp.

Isolation Voltage

Isolation Impedance

Weight

Humidity

Shock

Vibration

Surface Structure

MTBF

Warranty

■ Selection GuideOutput Current (A)

Table 1

Model NumberInput Voltage (Range) (V. DC)

Input Rush Current (max.)(A)

Output Voltage (V. DC)

Efficiency (typ.) (％)

3.3 5 12 13.8 15 24 48 100 140 200 300

85 87 89 89 89 89 90 90 89 90 90

40 40 20.8 18.1 16.7 10.5 5.3 2.5 1.8 1.3 0.85

12 (9～18)

RDP12 - 3.3S40A RDP12 - 5S40A RDP12 - 12S20.8A RDP12 -13.8S18.1A RDP12 - 15S16.7A RDP12 - 24S10.5A RDP12 - 48S5.3A RDP12 - 100S2.5A RDP12 - 140S1.8A RDP12 - 200S1.3A RDP12 - 300S0.85A

3.3 5 12 13.8 15 24 48 100 140 200 300

87 88 91 91 90 91 91 92 91 91 92

40 40 20.8 18.1 16.7 10.5 5.3 2.5 1.8 1.3 0.85

24 (18～36)

RDP24 - 3.3S40A RDP24 - 5S40A RDP24 - 12S20.8A RDP24 -13.8S18.1A RDP24 - 15S16.7A RDP24 - 24S10.5A RDP24 - 48S5.3A RDP24 - 100S2.5A RDP24 - 140S1.8A RDP24 - 200S1.3A RDP24 - 300S0.85A

3.3 5 12 13.8 15 24 48 100 140 200 300

87 90 91 91 91 91 91 91 91 91 91

40 40 20.8 18.1 16.7 10.5 5.3 2.5 1.8 1.3 0.85

48 (36～72)

RDP48 - 3.3S40A RDP48 - 5S40A RDP48 - 12S20.8A RDP48 -13.8S18.1A RDP48 - 15S16.7A RDP48 - 24S10.5A RDP48 - 48S5.3A RDP48 - 100S2.5A RDP48 - 140S1.8A RDP48 - 200S1.3A RDP48 - 300S0.85A

3.3 5 12 13.8 15 24 48 100 140 200 300

87 90 91 91 91 92 92 92 91 91 91

85 86 88 88 88 89 89 89 89 89 8986 87 88 88 88 88 89 89 90 90 9186 88 88 88 88 88 89 89 89 89 8986 88 88 88 88 88 88 88 89 89 89

40 40 20.8 18.1 16.7 10.5 5.3 2.5 1.8 1.3 0.85

96 (70～144)

62

31

16

8

RDP96 - 3.3S40A RDP96 - 5S40A RDP96 - 12S20.8A RDP96 -13.8S18.1A RDP96 - 15S16.7A RDP96 - 24S10.5A RDP96 - 48S5.3A RDP96 - 100S2.5A RDP96 - 140S1.8A RDP96 - 200S1.3A RDP96 - 300S0.85A

16

41

10

200±0.3

±0.3

10

220

20% Load

80% Load

Name Plate

＊Option Heatsink Model : A3-9023

※ 上記仕様以外にも対応可能ですので お問い合わせ下さい。 　 Please consult with us about other specification.

13

2-M5

6.26.2 6.2 6.213

4.7

＊Option Heatsink

Fig 2 Short Circuit Operating Area

Fig 1 Derating Curve

■ Characteristic Curves

RDP SERIES DATA SHEET

Single Output

Output Current (％)

Output Voltage (％)

80 90 100 110 120 130 140

140

120

100

80

60

40

20

0

0Vout

+Vout+Vin

Control

Over Voltage

Detector

＋

Surge Absorber

Photo Coupler

Photo Coupler

Rectifier Circuits

FG

+RCーRC

NC NC

0Vin

Operate Indicator

Drive Circuits

FG

V.ADJ

■ Block Diagram

Control

Rush Current

Protector

Voltage

Detector

Over Current

Fig 3 Temperature Characteristic on Case Surface

Fig 4 Efficiency vs. Output Current

0 10 20 30 40 50 60 70 80 90 100

100

90

80

70

60

50

40

Efficiency (％)

Output Current (％)

Vin=9V

RDP12－24S10.5A

Vin=18V

Vin=12V (Nominal Voltage)

Fig 5 Efficiency vs. Output Current

0 10 20 30 40 50 60 70 80 90 100

100

90

80

70

60

50

40

Efficiency (％)

Output Current (％)

Vin=9V

RDP12－48S5.3A

Vin=18V

Vin=12V (Nominal Voltage)

Fig 6 Efficiency vs. Output Current

0 10 20 30 40 50 60 70 80 90 100

100

90

80

70

60

50

40

Efficiency (％)

Output Current (％)

Vin=18V RDP24－3.3S40A

Vin=36V

Vin=24V (Nominal Voltage)

Fig 7 Efficiency vs. Output Current

0 10 20 30 40 50 60 70 80 90 100

100

90

80

70

60

50

40

Efficiency (％)

Output Current (％)

Vin=36V RDP48－5S40A

Vin=72V

Vin=48V (Nominal Voltage)

Ta=25℃, Full Load, Vin=Nominal70

60

50

40

30

20

10

0

Temperature (℃)

Operating Time (minute)

RDP24－5S40A

ΔT＝33℃

No Heat Sink

200 40 60 80 100 120 140 160 180 200

Output Current (％)

Temperature (℃)

140

120

100

80

60

40

20

0

No Heat Sink

Option Heat Sink

- 20 - 10 0 10 20 30 40 50 60 70 80 90 100 110

Fig 8 Output Current vs. Output Voltage 5.20

5.15

5.10

5.05

5.00

4.95

4.90

Output Current (%)

Output Voltage (V) RDP48－5S40A

0 10 20 30 40 50 60 70 80 90 100

＊並列運転時に各モジュールの電流を平均化するため

　負荷変動を大きくしてあります。

Load Regulation is regulated large on purpose to equate

the each unit's output current at parallel operation.

Max Case Temp. 85℃

ΔT＝23℃ Additional Option Heat Sink

NC

NC

RDP SERIES DATA SHEET■ 主な機能及び注意事項 Function and direction in application

1. 入力低電圧保護、入力過電圧保護 Input low/over voltage protection

下記入力電圧にて出力電圧がOFFとなります。入力電圧を規定値内に戻

すと自動復帰します。

Output will be shut down in the input voltages on the following table.

Output will automatically be reset when the input voltage comes to

within the specified value.

2. 出力電圧値 Output voltage

出力電圧値はボリューム(V.ADJ)を回転させることにより、定格出力電圧

の約ー3%～+10%可変することができます。

Output voltage will be adjusted to -3％ - +10％ of rated voltage by

means of volume (V.ADJ).

3. 出力過電流保護 Output over current protection

負荷が短絡した場合など、過大な負荷電流が流れたときに負荷と本体を

保護する機能です。定格出力電流の約110％～130%にて検出し作動しま

す(Fig 2 参照)。出力は定電流電圧垂下特性、入力電流はフの字特性となっ

ています。また自動復帰特性を有しています。

This function is to protect a power supply and a load when excessive

current fiows in case of short-circuited load or such possible

conditions. It will operate in 110 - 130％ of rated output current (see fig.

1). Output has constant current voltage limiting characteristic and

input current has combined current limiting with fold-back protection. It

also has automatic reset function.

4. 出力過電圧保護 Output over voltage protection

出力の過電圧から負荷側を保護する機能です。出力電圧値が定格値の約

120～140％になると出力をOFFします。

This function is to protect a load from output over voltage. Output will

be shut down when output voltage is 120 - 140％ of rated voltage.

5. リモートON/OFFコントロール Remote ON/OFF control

リモートON/OFFコントロールを使用して、電源の出力をON/OFFする

事ができます。RC端子間をショートする事で出力電圧がON、RC端子間

をオープンにする事で出力電圧がOFFになります。RC端子間にTTLレベ

ルの電気信号を加える事により出力をON/OFFする事ができます。RC端

子は入力側にあり、入力電源回路とは絶縁されていません。ON/OFFコ

ントロールを使用しないときは、＋RC端子と－RC端子を付属のショー

トピンで短絡させて下さい。

Using remote ON/OFF control, ON/OFF of the power supply output is

possible. The output voltage operates by a short between RC

terminals, and the output voltage stops by open between RC terminals.

ON/OFF of the output voltage is possible by adding the electrical

signal of the TTL level between RC terminals. RC terminals are located

on the input side and the circuit is not isolated from input power source

circuit. In case you don't use ON/OFF control, please short-circuit ＋RC

and －RC terminals by means of attached short-bar.

定格入力電圧 Rated input voltage

低電圧保護 Low voltage protection

過電圧保護 Over voltage protection

12V (9～18V)

24V (18～36V)

48V (36～72V)

96V (70～144V)

6～ 8 V

12～16V

24～32V

48～64V

20～22V

40～44V

75～82V

150～165V

Remote control

signal

DC/DC converter RDP series

+Vin

0Vin

+Vout 0Vout

NC

NC

+RC

ーRCV.ADJ

RUN

DC/DC converter RDP series

+Vin

0Vin

+Vout

0Vout

NC

NC

+RC

ーRCV.ADJ

RUN

DC/DC converter RDP series

+Vin

0Vin

+Vout

0Vout

NC

NC

+RC

ーRCV.ADJ

RUN

DC/DC converter RDP series

+Vin

0Vin

+Vout

0Vout

NC

NC

+RC

ーRCV.ADJ

RUN

6. 並列運転 Parallel operation

同機種を並列に動作させることにより出力電流容量を増やすことができ

ます。

並列運転は４台まで接続可能です。

It is possible to increase output current capacity by means of parallel

operation of the same medel. Please see the figure below for wiring

instructions.

Parallel operation is possible up to 4 converters.

7. 入力側ヒューズ Input side fuse

電源の破損に備えて、必ず入力側にヒューズ又はブレーカーを使用して

ください。電流容量は表１の突入電流値を参考にしてください。

Please insert a fuse or a circuit breaker to prevent possible damage of

converter. Please refer to Table 1 (rush current) to select proper current

capacity of fuse or circuit breaker.

＊回路構成例 Example of ON/OFF control circuit

＋Vout+Vin

ーRC

+RC 0Vout

0Vin

Input power source

Load

●TRによる例 Example by transistor ●SWによる例 Example by switch

＋Vout+Vin

ーRC

+RC 0Vout

0Vin

SW

NC NC

NC NC

NC NC

NC NC

H40×W100×L220 (mm)

■ Features

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

High Output 500W

High Efficiency 89%～93%

Input-Output Isolation (AC2000V)

Possible Parallel Operation

up to 4 converters

Remote ON/OFF Control

Input Low Voltage Protection

Input Over Voltage Protection

Thermal Protection

＋110℃～＋120℃

Cooling by mounting on Chassis

or using Heat Sink

Conformity to RoHS Directive

No aluminum electrolytic capacitor

and no tantalum capacitor are used.

高出力 500W

高効率 89%～93%

入出力間絶縁 (AC2000V)

4台まで並列運転可能

リモートON/OFFコントロール

入力低電圧保護回路内蔵

入力過電圧保護回路内蔵

過熱保護回路内蔵

＋110℃～＋120℃

シャーシ上又はヒートシンク

の取付により放熱

RoHS指令対応

アルミ電解コンデンサ及び

タンタルコンデンサ不使用

(at Ta:25℃, Full Load, Nominal Vin)

■ General Characteristics

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

DC 12, 24, 48, 96,

200,300,400V (See Table 1)

See Table 1

±5％Adjustable

See Table 1

0.3% max. (at Vin Range)

3.0% typ. (0～100% Load)

(1.0% Vout) p-p max. (0.5% Vout+100mV) p-p max.

Built-in,Auto-restart

Built-in,Shut-down

(120%～140% Vout)

ON : Short or 0～0.8Ｖ

OFF : Open or 2～10Ｖ (Between pin ③ ～ ④ )

0.02%／℃ max.

ー40℃～＋85℃

＋105℃

ー40℃～＋115℃

AC2000V one minute

(Input－Output－Case)

100MΩ min. (at DC1000V)

(Input－Output－Case)

Main Body : 2.0Kg max.

Heatsink : 500g max.

20～95％ RH

490m/s2 (11msec 3directions)

JIS E4031 Category 1 - Class B

Aluminium Case

160,000H (Ta:25℃,80％Load,Nominal Vin)

5 years

Input Voltage,Range

Output Voltage, Current

Output Voltage Accuracy

Efficiency

Line Regulation

Load Regulation

Output Ripple

Output Noise

Short Circuit Protection

Output Over Voltage

Protection

Remote ON/OFF Control

Temperature Coefficient

Operating Ambient Temp.

Max.Case Temp.

Storage Temp.

Isolation Voltage

Isolation Impedance

Weight

Humidity

Shock

Vibration

Surface Structure

MTBF

Warranty

■ Selection Guide

Output Current (A)

Table 1

Model NumberInput Voltage (Range) (V. DC)

Output Voltage (V. DC)

Efficiency (typ.) (％)

12 13.8 15 24 28 48 100 140 200 300 400 12 13.8 15 24 28 48 100 140 200 300 400 12 13.8 15 24 28 48 100 140 200 300 400 12 13.8 15 24 28 48 100 140 200 300 400 12 13.8 15 24 28 48 100 140 200 300 400 12 13.8 15 24 28 48 100 140 200 300 400 12 13.8 15 24 28 48 100 140 200 300 400

12 (9～18)

VD12 - 12S42A VD12 -13.8S36A VD12 - 15S33A VD12 - 24S21A VD12 - 28S18A VD12 - 48S10.5A VD12 - 100S5A VD12 - 140S3.6A VD12 - 200S2.5A VD12 - 300S1.7A VD12 - 400S1.25A VD24 - 12S42A VD24 -13.8S36A VD24 - 15S33A VD24 - 24S21A VD24 - 28S18A VD24 - 48S10.5A VD24 - 100S5A VD24 - 140S3.6A VD24 - 200S2.5A VD24 - 300S1.7A VD24 - 400S1.25A VD48 - 12S42A VD48 -13.8S36A VD48 - 15S33A VD48 - 24S21A VD48 - 28S18A VD48 - 48S10.5A VD48 - 100S5A VD48 - 140S3.6A VD48 - 200S2.5A VD48 - 300S1.7A VD48 - 400S1.25A VD96 - 12S42A VD96 -13.8S36A VD96 - 15S33A VD96 - 24S21A VD96 - 28S18A VD96 - 48S10.5A VD96 - 100S5A VD96 - 140S3.6A VD96 - 200S2.5A VD96 - 300S1.7A VD96 - 400S1.25A VD200 - 12S42A VD200 - 13.8S36A VD200 - 15S33A VD200 - 24S21A VD200 - 28S18A VD200 - 48S10.5A VD200 - 100S5A VD200 - 140S3.6A VD200 - 200S2.5A VD200 - 300S1.7A VD200 - 400S1.25A VD300 - 12S42A VD300 - 13.8S36A VD300 - 15S33A VD300 - 24S21A VD300 - 28S18A VD300 - 48S10.5A VD300 - 100S5A VD300 - 140S3.6A VD300 - 200S2.5A VD300 - 300S1.7A VD300 - 400S1.25A VD400 - 12S42A VD400 - 13.8S36A VD400 - 15S33A VD400 - 24S21A VD400 - 28S18A VD400 - 48S10.5A VD400 - 100S5A VD400 - 140S3.6A VD400 - 200S2.5A VD400 - 300S1.7A VD400 - 400S1.25A

24 (18～36)

48 (36～75)

96 (70～144)

20% Load

80% Load

※ 上記仕様以外にも対応可能ですので お問い合わせ下さい。 　 Please consult with us about other specification.

42 36 33 21 18 10.5 5 3.6 2.5 1.7 1.25 42 36 33 21 18 10.5 5 3.6 2.5 1.7 1.25 42 36 33 21 18 10.5 5 3.6 2.5 1.7 1.25 42 36 33 21 18 10.5 5 3.6 2.5 1.7 1.25 42 36 33 21 18 10.5 5 3.6 2.5 1.7 1.25 42 36 33 21 18 10.5 5 3.6 2.5 1.7 1.25 42 36 33 21 18 10.5 5 3.6 2.5 1.7 1.25

300 (225～450)

91 91 91 91 91 91 90 90 90 89 89 91 91 91 91 91 91 91 90 90 89 89 89 89 89 89 89 89 88 88 88 88 88 89 89 89 89 89 89 88 88 88 88 88 89 89 89 89 89 89 88 88 88 88 88 88 88 88 88 88 88 87 87 87 87 87 87 87 87 87 87 87 86 86 86 86 86

並列運転可能 Parallel Operation

VD SERIES 500W DC/DC CONVERTERSSingle Output

90 90 89 89 89 91 91 90 90 89 89 91 91 90 90 90 92 92 91 91 90 90 91 91 90 91 91 93 93 92 92 91 91 91 91 90 91 91 93 93 92 92 91 91 91 91 90 91 91 93 93 92 92 91 91 91 91 90 91 91 93 93 92 92 91 91 91 91 90 91 91 93 93 92 92 91 91

200 (150～300)

400 (300～600)

VD SERIES DATA SHEET

Fig 2 Short Circuit Operating Area

■ Characteristic Curves

Single Output

Output Current (％)

Output Voltage (％)

80 90 100 110 120 130 140

140

120

100

80

60

40

20

0

0Vout

+Vout+Vin

Control

Over Voltage

Detector

Surge Absorber

Photo Coupler

Photo Coupler

Rectifier Circuits

FG

+RCーRC

0Vin

Operate Indicator

FG

V.ADJ

■ Block Diagram

Control

Voltage

Detector

Over Current

＊並列運転時に各モジュールの電流を平均化するため

　負荷変動を大きくしてあります。

Load Regulation is regulated large on purpose to equate

the each unit's output current at parallel operation.

Drive

Fig 1 Derating Curve

Temperature (℃)

Output Current (％)

-30-40 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110

140

120

100

80

60

40

20

0

No Heat Sink

Option Heat Sink

Max Case Temp. 105℃

12.3

12.2

12.1

12.0

11.9

11.8

11.7

Output Current (%)

Output Voltage (V)

VD48－12S42A

0 10 20 30 40 50 60 70 80 90 100

Fig 4 Output Current vs. Output Voltage

Fig 3 Temperature Characteristic on Case SurfaceVD48-24S21A Ta=25℃, Full Load, Vin=Nominal

100

90

80

70

60

50

40

30

20

Temperature (℃)

Operating Time (minute)

ΔT＝66℃

No Heat Sink

200 40 60 80 100 120 140 160 180 200

■ Terminal Outs & Dimensions

(±0.5mm)

<Top View>

＋Vdc in

０Vdc in

＋RC

ーRC

FG

Terminal Outs and Function

+Vdc out

0Vdc out

NC

NC

V.ADJ Trimmer

Operate Indicator

2-M6

100

(45)

40

4-φ5.5

Short piece

2-M3

4-M3 7depth for Optional Heatsink

7.5 85 7.5

+Vin 0Vin

+RC-RC

+Vout 0Vout

NC NCV.ADJ

RUN

Cover

Option Heatsink

16

10

200±0.3

±0.3

10

220

Name Plate

＊Option Heatsink Model : A3-12298

FG

M4

2-M6

15 6.2 9.4

6.215

VD SERIES DATA SHEET

1. 入力低電圧保護、入力過電圧保護 Input low/over voltage protection

入力が定格範囲外になると出力を停止します。範囲内に戻すと自動復帰

します。またヒステリシス特性を有しています。

This function stops output if input is out of the rated voltage range and

restarts output automatically in the rating votage range. It also has

hysteresis characteristic.

2. 出力電圧値 Output voltage

出力電圧値はボリューム(V.ADJ)を回転させることにより、定格出力電圧

の約±5%可変することができます。

Output voltage will be adjusted to ±5％ of rated voltage by means of

volume (V.ADJ).

3. 出力過電流保護 Output over current protection

負荷が短絡した場合など、過大な負荷電流が流れたときに負荷と本体を

保護する機能です。定格出力電流の約105％～130%にて検出し作動しま

す(Fig 2 参照)。出力は定電流電圧垂下特性、入力電流はフの字特性となっ

ています。また自動復帰特性を有しています。

This function is to protect a power supply and a load when excessive

current fiows in case of short-circuited load or such possible

conditions. It will operate in 105 - 130％ of rated output current (see

fig. 1). Output has constant current voltage limiting characteristic and

input current has combined current limiting with fold-back protection. It

also has automatic reset function.

4. 出力過電圧保護 Output over voltage protection

出力の過電圧から負荷側を保護する機能です。出力電圧値が定格値の約

120～140％になると出力をOFFします。

This function is to protect a load from output over voltage. Output will

be shut down when output voltage is 120 - 140％ of rated voltge.

Vout ON

OFF

　 ヒステリシス特性　Hysteresis Characteristic

定格入力電圧 Rated input voltage

低電圧保護 Low voltage protection

過電圧保護 Over voltage protection

12V (9～ 18V)

24V (18～ 36V)

48V (36～ 75V)

96V (70～144V)

200V (150～300V)

300V (225～450V)

400V (300～600V)

20～22V

40～44V

80～88V

152～160V

316～333V

474～500V

633～666V

VL1 VO1

Vin

→

→

→

→ →

→ → →

→ →

→

→

→

→

→

→ VL1 VO1

低電圧保護 Low voltage protection

～ ～

～ ～

過電圧保護 Over voltage protection

6～ 8 V

12～16V

24～32V

48～64V

100～133V

150～200V

200～266V

■ 主な機能及び注意事項 Function and direction in application

Fig 5 Efficiency vs. Output Current

0 10 20 30 40 50 60 70 80 90 100

100

90

80

70

60

50

40

Efficiency (％)

Output Current (％)

Vin=9V

VD12－13.8S32A

Vin=18V

Vin=12V (Nominal Voltage)

Fig 6 Efficiency vs. Output Current

0 10 20 30 40 50 60 70 80 90 100

100

90

80

70

60

50

40

Efficiency (％)

Output Current (％)

Vin=18V

VD24－48S10.5A

Vin=36V

Fig 7 Efficiency vs. Output Current

0 10 20 30 40 50 60 70 80 90 100

100

90

80

70

60

50

40

Efficiency (％)

Output Current (％)

VD48－24S21A

Vin=72V

Vin=48V (Nominal Voltage)

Fig 8 Efficiency vs. Output Current

0 10 20 30 40 50 60 70 80 90 100

100

90

80

70

60

50

40

Efficiency (％)

Output Current (％)

VD96－24S21A

Vin=144V

Vin=96V (Nominal Voltage)

Vin=24V (Nominal Voltage)

Vin=36V

Vin=72V

VD SERIES DATA SHEET

Remote control signal

DC/DC converter VD series

+Vin

0Vin

+Vout 0Vout

+RC

ーRC

V.ADJ

RUN

DC/DC converter VD series

+Vin

0Vin

+Vout

0Vout

+RC

ーRC

V.ADJ

RUN

DC/DC converter VD series

+Vin

0Vin

+Vout

0Vout

+RC

ーRC

V.ADJ

RUN

DC/DC converter VD series

+Vin

0Vin

+Vout

0Vout

+RC

ーRC

V.ADJ

RUN

6. 並列運転 Parallel operation

同機種を並列に動作させることにより出力電流容量を増やすことができ

ます。

並列運転は４台まで接続可能です。

It is possible to increase output current capacity by means of parallel

operation of the same medel. Please see the figure below for wiring

instructions.

Parallel operation is possible up to 4 converters.

7. リモートON/OFFコントロール Remote ON/OFF control

リモートON/OFFコントロールを使用して、電源の出力をON/OFFする

事ができます。RC端子間をショートする事で出力電圧がON、RC端子間

をオープンにする事で出力電圧がOFFになります。RC端子間にTTLレベ

ルの電気信号を加える事により出力をON/OFFする事ができます。RC端

子は入力側にあり、入力電源回路とは絶縁されていません。ON/OFFコ

ントロールを使用しないときは、＋RC端子と－RC端子を付属のショー

トピンで短絡させて下さい。

Using remote ON/OFF control, ON/OFF of the power supply output is

possible. The output voltage operates by a short between RC

terminals, and the output voltage stops by open between RC terminals.

ON/OFF of the output voltage is possible by adding the electrical

signal of the TTL level between RC terminals. RC terminals are located

on the input side and the circuit is not isolated from input power source

circuit. In case you don't use ON/OFF control, please short-circuit ＋RC

and －RC terminals by means of attached short-bar.

＊回路構成例 Example of ON/OFF control circuit

＋Vout+Vin

ーRC

+RC 0Vout

0Vin

Input power source

Load

●TRによる例 Example by transistor ●SWによる例 Example by switch

＋Vout+Vin

ーRC

+RC 0Vout

0Vin

SW

NC NC

NC NC

NC NC

NC NC