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Rohm Referencedesigns

REFFLBK005 - Reference Design

Isolated Flyback DC-DC Converter Input:24V,Vout:5V,2A

The BD7F200EFJ-EVK-002 evaluation board is equipped with BD7F200EFJ-LB. The BD7F200HFN-EVK-002 evaluation board is equipped with BD7F200HFN-LB.


  • BD7F200EFJ-EVK-002 Evaluation board delivers an output 5 volts from an input 24 volts using BD7F200EFJ-LB, Isolated Flyback DC/DC converter integrated circuit, with output current rating of maximum 2A.
  • BD7F200HFN-EVK-002 Evaluation board delivers an output 5 volts from an input 24 volts using BD7F200HFN-LB, Isolated Flyback DC/DC converter integrated circuit, with output current rating of maximum 2A.

BD7F200EFJ-EVK-002

Design Resources

 

Specifications

 
Board Number Input Voltage Output voltage Output current Operating Frequency Maximum Efficiency Size
BD7F200EFJ-EVK-002 24V 5V R4=3.9kΩ R5=80.6kΩ 35 to 2000mA Maximum Output Power:10W 400kHz 80.6% IO=1500mA 70mm x 50mm
BD7F200HFN-EVK-002 24V 5V R4=3.9kΩ R5=80.6kΩ 35 to 2000mA Maximum Output Power:10W 400kHz 80.6% IO=1500mA 70mm x 50mm

Distribution Inventory

 
Board Number Distributor Quantity Available
BD7F200EFJ-EVK-002 CoreStaff Co., Ltd. 2
Chip One Stop, Inc. 1
DigiKey 1
BD7F200HFN-EVK-002 Chip One Stop, Inc. 2
CoreStaff Co., Ltd. 2
DigiKey 2
Farnell, An Avnet Company 1
Newark, An Avnet Company 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
BD7F200EFJ-EVK-002 BD7F200EFJ-LB Switching Regulators (Isolated type) - Active - - -
BD7F200EFJ-EVK-002 RB050LAM-30 Schottky Barrier Diodes - Active - - - - -
BD7F200EFJ-EVK-002 RB160MM-40 Schottky Barrier Diodes - Active - - - - -
BD7F200EFJ-EVK-002 TFZ20B Zener Diodes - Not Recommended for New Designs - - -
BD7F200HFN-EVK-002 BD7F200HFN-LB Switching Regulators (Isolated type) - Recommended - - -
BD7F200HFN-EVK-002 RB050LAM-30 Schottky Barrier Diodes - Active - - - - -
BD7F200HFN-EVK-002 RB160MM-40 Schottky Barrier Diodes - Active - - - - -
BD7F200HFN-EVK-002 TFZ20B Zener Diodes - Not Recommended for New Designs - - -