Rohm Referencedesigns

REFFLBK004

REFFLBK004 - Reference Design

Isolated Flyback DCDC converter, 24Vin, 15Vout x4ch, 0.15A

The BD7F200EFJ-EVK-001 evaluation board is equipped with BD7F200EFJ-LB. The BD7F200HFN-EVK-001 evaluation board is equipped with BD7F200HFN-LB.

BD7F200EFJ-EVK-001 Evaluation board delivers four outputs 15 volts from an input 24 volts using BD7F200EFJ-LB, Isolated Flyback DC/DC converter integrated circuit, with output current rating of maximum 0.15A.
BD7F200HFN-EVK-001 Evaluation board delivers four outputs 15 volts from an input 24 volts using BD7F200HFN-LB, Isolated Flyback DC/DC converter integrated circuit, with output current rating of maximum 0.15A.

BD7F200EFJ-EVK-001

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Related Documents

Type	Title	Related Board Number	Last Updated
User's Guide	BD7F200EFJ-EVK-001 user's guide	BD7F200EFJ-EVK-001	2018/11/15
User's Guide	BD7F200HFN-EVK-001 user's guide	BD7F200HFN-EVK-001	2018/09/20

Design Resources

Type	Title	Related Board Number	Last Updated
Schematic	BD7F200EFJ-EVK-001 Schematics	BD7F200EFJ-EVK-001	2023/08/02
BOM	BD7F200EFJ-EVK-001 Partslist	BD7F200EFJ-EVK-001	2023/08/02
Layout (PDF)	BD7F200EFJ-EVK-001 Layout	BD7F200EFJ-EVK-001	2023/08/02
Schematic	BD7F200HFN-EVK-001 Schematics	BD7F200HFN-EVK-001	2023/08/02
BOM	BD7F200HFN-EVK-001 Partslist	BD7F200HFN-EVK-001	2023/08/02
Layout (PDF)	BD7F200HFN-EVK-001 Layout	BD7F200HFN-EVK-001	2023/08/02

Specifications

Board Number	Input Voltage	Output voltage	Output current	Operating Frequency	Maximum Efficiency	Size
BD7F200EFJ-EVK-001	24V	15V(1to4) R4=3.9kΩ R5=78.7kΩ	20 to 150mA(1to4) Maximum Output Power:10W	400kHz	83.6% Iout1to4=150mA	90mm x 70mm
BD7F200HFN-EVK-001	24V	15V(1to4) R4=3.9kΩ R5=78.7kΩ	20 to 150mA(1to4) Maximum Output Power:10W	400kHz	83.6% Iout1to4=150mA	90mm x 70mm

Distribution Inventory

Board Number	Distributor	Quantity Available
BD7F200EFJ-EVK-001	Chip One Stop, Inc.	1
	DigiKey	1
	Farnell, An Avnet Company	1
	Newark, An Avnet Company	1
BD7F200HFN-EVK-001	CoreStaff Co., Ltd.	2
	Chip One Stop, Inc.	1
	DigiKey	1
	Farnell, An Avnet Company	1
	Newark, An Avnet Company	1

Key Components

Board Number	Product Category	Part Number	Datasheet	Status	SPICE	LTspice®	Thermal Model	Symbol & Footprint	3D STEP	Samacsys ECAD Library	Calc Tool	ROHM Solution Simulator
BD7F200EFJ-EVK-001	Switching Regulators (Isolated type)	BD7F200EFJ-LB	-	Active				-	-			-
BD7F200EFJ-EVK-001	Schottky Barrier Diodes	RB160MM-90	-	Active	-	-	-		-			-
BD7F200EFJ-EVK-001	Schottky Barrier Diodes	RB160MM-40	-	Active	-	-	-		-			-
BD7F200EFJ-EVK-001	Zener Diodes	TFZ18B	-	Not Recommended for New Designs	-		-					-
BD7F200HFN-EVK-001	Switching Regulators (Isolated type)	BD7F200HFN-LB	-	Recommended				-	-			-
BD7F200HFN-EVK-001	Schottky Barrier Diodes	RB160MM-90	-	Active	-	-	-		-			-
BD7F200HFN-EVK-001	Schottky Barrier Diodes	RB160MM-40	-	Active	-	-	-		-			-
BD7F200HFN-EVK-001	Zener Diodes	TFZ18B	-	Not Recommended for New Designs	-		-					-