Rohm Referencedesigns

REFFLBK002

REFFLBK002 - Reference Design

Isolated Flyback DC-DC Converter Input:24V,Vout:±15V,0.165A

The BD7F100EFJ-EVK-002 evaluation board is equipped with BD7F100EFJ-LB. The BD7F100HFN-EVK-003 evaluation board is equipped with BD7F100HFN-LB.

BD7F100EFJ-EVK-002 Evaluation board delivers outputs 15volts and -15 volts from an input 24 volts using BD7F100EFJ-LB, Isolated Flyback DC/DC converter integrated circuit, with output current rating of maximum 0.165A.
BD7F100HFN-EVK-003 Evaluation board delivers outputs 15volts and -15 volts from an input 24 volts using BD7F100HFN-LB, Isolated Flyback DC/DC converter integrated circuit, with output current rating of maximum 0.165A.

BD7F100EFJ-EVK-002

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Related Documents

Type	Title	Related Board Number	Last Updated
User's Guide	Evaluation Board User's Guide For BD7F100EFJ-EVK-002	BD7F100EFJ-EVK-002	2018/11/15
User's Guide	Evaluation Board User's Guide For BD7F100HFN-EVK-003	BD7F100HFN-EVK-003	2018/11/15

Design Resources

Type	Title	Related Board Number	Last Updated
Schematic	BD7F100EFJ-EVK-002 Schematics	BD7F100EFJ-EVK-002	2023/08/02
BOM	BD7F100EFJ-EVK-002 Partslist	BD7F100EFJ-EVK-002	2023/08/02
Layout (PDF)	BD7F100EFJ-EVK-002 Layout	BD7F100EFJ-EVK-002	2023/08/02
Schematic	BD7F100HFN-EVK-003 Schematics	BD7F100HFN-EVK-003	2023/08/02
BOM	BD7F100HFN-EVK-003 Partslist	BD7F100HFN-EVK-003	2023/08/02
Layout (PDF)	BD7F100HFN-EVK-003 Layout	BD7F100HFN-EVK-003	2023/08/02

Specifications

Board Number	Input Voltage	Output voltage1	Output voltage2	Output Current Range1	Output Current Range2	Operating Frequency	Maximum Efficiency	Size
BD7F100EFJ-EVK-002	24V	15V R4=3.9kΩ R5=76.8kΩ	-15V R4=3.9kΩ R5=76.8kΩ	3.2 to 165mA Maximum Output Power:5W	3.2 to 165mA Maximum Output Power:5W	400kHz	81.7% IO=165mA	70mm x 50mm
BD7F100HFN-EVK-003	24V	15V R4=3.9kΩ R5=76.8kΩ	-15V R4=3.9kΩ R5=76.8kΩ	3.2 to 165mA Maximum Output Power:5W	3.2 to 165mA Maximum Output Power:5W	400kHz	81.7% IO=165mA	70mm x 50mm

Distribution Inventory

Board Number	Distributor	Quantity Available
BD7F100EFJ-EVK-002	CoreStaff Co., Ltd.	4
	Chip One Stop, Inc.	2
	Farnell, An Avnet Company	2
	Newark, An Avnet Company	2
	DigiKey	1
BD7F100HFN-EVK-003	CoreStaff Co., Ltd.	2
	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
BD7F100EFJ-EVK-002	Switching Regulators (Isolated type)	BD7F100EFJ-LB	-	Active				-	-			-
BD7F100EFJ-EVK-002	Switching Diodes	1SS400SM	-	Recommended	-	-	-		-			-
BD7F100EFJ-EVK-002	Zener Diodes	KDZ18B	-	Not Recommended for New Designs	-		-		-			-
BD7F100EFJ-EVK-002	Schottky Barrier Diodes	RB160MM-90	-	Active	-	-	-		-			-
BD7F100HFN-EVK-003	Switching Regulators (Isolated type)	BD7F100HFN-LB	-	Recommended				-	-			-
BD7F100HFN-EVK-003	Switching Diodes	1SS400SM	-	Recommended	-	-	-		-			-
BD7F100HFN-EVK-003	Zener Diodes	KDZ18B	-	Not Recommended for New Designs	-		-		-			-
BD7F100HFN-EVK-003	Schottky Barrier Diodes	RB160MM-90	-	Active	-	-	-		-			-