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BD7682FJ-LB

Evaluation Board-24V1A 24W-

PCB4046 Rev. A

Rohm Co., Ltd

Application Engineering Div.

06, Apr. , 2016

Page 2: BD7682FJ-LB Evaluation Board - Rohmrohmfs.rohm.com/.../acdc_converter/bd7682fj-lb_evaluation_board-e.… · BD7682FJ-LB Evaluation Board Author: ROHM Co., Ltd. Created Date: 6/1/2016

1. Schematic

Page 3: BD7682FJ-LB Evaluation Board - Rohmrohmfs.rohm.com/.../acdc_converter/bd7682fj-lb_evaluation_board-e.… · BD7682FJ-LB Evaluation Board Author: ROHM Co., Ltd. Created Date: 6/1/2016

2. Placement

[Three Phase AC Input]

[OUTPUT]

24V 1A=24W

[Input Filter]

[DC Input]

+ -

SiC-MOSFET

Page 4: BD7682FJ-LB Evaluation Board - Rohmrohmfs.rohm.com/.../acdc_converter/bd7682fj-lb_evaluation_board-e.… · BD7682FJ-LB Evaluation Board Author: ROHM Co., Ltd. Created Date: 6/1/2016

3. Placement

BD7682FJ-LB [Three Phase AC Input]

[OUTPUT]

24V 1A=24W

[DC Input]

+ -

Page 5: BD7682FJ-LB Evaluation Board - Rohmrohmfs.rohm.com/.../acdc_converter/bd7682fj-lb_evaluation_board-e.… · BD7682FJ-LB Evaluation Board Author: ROHM Co., Ltd. Created Date: 6/1/2016

4. Evaluation data

DC300V DC600V DC900V

This data is using DCIN

Tested one hour after switch on. ( Thermister hot situation )

Using ACIN input low voltage situation, Efficiency little bit low down.

Please see next page.

Page 6: BD7682FJ-LB Evaluation Board - Rohmrohmfs.rohm.com/.../acdc_converter/bd7682fj-lb_evaluation_board-e.… · BD7682FJ-LB Evaluation Board Author: ROHM Co., Ltd. Created Date: 6/1/2016

5. Efficiency Data From each Input Terminal

Page 7: BD7682FJ-LB Evaluation Board - Rohmrohmfs.rohm.com/.../acdc_converter/bd7682fj-lb_evaluation_board-e.… · BD7682FJ-LB Evaluation Board Author: ROHM Co., Ltd. Created Date: 6/1/2016

6. Efficiency Data From each Input Terminal

DCIN

ACIN

DC from DCIN

DC from ACIN

AC from ACIN

This board has two input terminal. DCIN and ACIN.

Efficiency depend on input terminal.

Because of input impedance not same.

DC300V/AC220V

Output Current (A)

Page 8: BD7682FJ-LB Evaluation Board - Rohmrohmfs.rohm.com/.../acdc_converter/bd7682fj-lb_evaluation_board-e.… · BD7682FJ-LB Evaluation Board Author: ROHM Co., Ltd. Created Date: 6/1/2016

7. Parts List

Page 9: BD7682FJ-LB Evaluation Board - Rohmrohmfs.rohm.com/.../acdc_converter/bd7682fj-lb_evaluation_board-e.… · BD7682FJ-LB Evaluation Board Author: ROHM Co., Ltd. Created Date: 6/1/2016

DC300V DC600V DC900V

0.5A

8. Operation Wave form

Page 10: BD7682FJ-LB Evaluation Board - Rohmrohmfs.rohm.com/.../acdc_converter/bd7682fj-lb_evaluation_board-e.… · BD7682FJ-LB Evaluation Board Author: ROHM Co., Ltd. Created Date: 6/1/2016

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