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Rohm Referencedesigns

REFFLBK003 - Reference Design

Isolated Flyback DC-DC Converter Input:5V,Vout:5V,0.2A

The BD7F100EFJ-EVK-003 evaluation board is equipped with BD7F100EFJ-LB. The BD7F100HFN-EVK-004 evaluation board is equipped with BD7F100HFN-LB.


  • BD7F100EFJ-EVK-003 Evaluation board delivers an output 5 volts from an input 5 volts using BD7F100EFJ-LB, Isolated Flyback DC/DC converter integrated circuit, with output current rating of maximum 1A.
  • BD7F100HFN-EVK-004 Evaluation board delivers an output 5 volts from an input 5 volts using BD7F100HFN-LB, Isolated Flyback DC/DC converter integrated circuit, with output current rating of maximum 1A.

BD7F100EFJ-EVK-003

Design Resources

 

Specifications

 
Board Number Input Voltage Output voltage Output Current Range Operating Frequency Maximum Efficiency Size
BD7F100EFJ-EVK-003 5V 5V R4=3.9kΩ R5=13.3kΩ 3.75 to 200mA Maximum Output Power:1W 400kHz 79.4% IO=100mA 70mm x 50mm
BD7F100HFN-EVK-004 5V 5V R4=3.9kΩ R5=13.3kΩ 3.75 to 200mA Maximum Output Power:1W 400kHz 79.4% IO=100mA 70mm x 50mm

Distribution Inventory

 
Board Number Distributor Quantity Available
BD7F100EFJ-EVK-003 CoreStaff Co., Ltd. 3
Chip One Stop, Inc. 2
DigiKey 1
Farnell, An Avnet Company 1
Newark, An Avnet Company 1
BD7F100HFN-EVK-004 CoreStaff Co., Ltd. 2
Chip One Stop, Inc. 1
DigiKey 1

Key Components

 
Board Number Part Number Product Category Datasheet Status SPICE LTspice Thermal Model Symbol & Footprint 3D STEP Samacsys ECAD Library Calc Tool ROHM Solution Simulator
BD7F100EFJ-EVK-003 1SS400SM Switching Diodes - Recommended - - - - -
BD7F100EFJ-EVK-003 BD7F100EFJ-LB Switching Regulators (Isolated type) - Active - - -
BD7F100EFJ-EVK-003 KDZ18B Zener Diodes - Not Recommended for New Designs - - - -
BD7F100EFJ-EVK-003 RB160MM-90 Schottky Barrier Diodes - Active - - - - -
BD7F100HFN-EVK-004 1SS400SM Switching Diodes - Recommended - - - - -
BD7F100HFN-EVK-004 BD7F100HFN-LB Switching Regulators (Isolated type) - Recommended - - -
BD7F100HFN-EVK-004 KDZ3.6B Zener Diodes - Not Recommended for New Designs - - - -
BD7F100HFN-EVK-004 RB160MM-40 Schottky Barrier Diodes - Active - - - - -