ROHM Product Detail

Not Recommended for New Designs

BD9G401EFJ-M

1ch Buck Converter Integrated FET

Data Sheet

BD9G401EFJ-M

This product cannot be used for new designs (Not recommended for design diversion).

Data Sheet

Part Number	BD9G401EFJ-M	BD9G401UEFJ-M
Ordering Part Number	BD9G401EFJ-ME2	BD9G401UEFJ-ME2
Similar Level	-	Same Pinout, Package
Data Sheet
Supply Status	Not Recommended for New Designs	Recommended
Package	HTSOP-J8ES	HTSOP-J8ES
Unit Quantity	2500	2500
Minimum Packing Quantity	2500	2500
Packing Type	Taping	Taping
RoHS	Yes	Yes
ch	1	1
Integrated FET / Controller	Integrated FET	Integrated FET
Topology	Buck	Buck
Vin1 (Min.)[V]	4.5	4.5
Vin1 (Max.)[V]	42.0	42.0
Vout1 (Min.)[V]	0.8	0.8
Vout1 (Max.)[V]	42.0	42.0
Iout1 (Max.)[A]	3.5	3.5
SW frequency setting (Max.)[MHz]	0.5	0.5
Synchronous / Nonsynchronous	Non-synchronous	Non-synchronous
Light Load mode	No	No
EN	Yes	Yes
PGOOD	No	No
Operating Temperature (Min.)[°C]	-40	-40
Operating Temperature (Max.)[°C]	105	105
Common Standard	AEC-Q100 (Automotive Grade)	AEC-Q100 (Automotive Grade)
Package Size [mm]	4.9x6.0 (t=1.0)	4.9x6.0 (t=1.0)

Evaluation Board - BD9G401EFJ-EVK-001
This EVK is using not BD9G401UEFJ-M, but BD9G401EFJ-M. This EVK has been developed for ROHM’s non-synchronous buck DC/DC converter customers evaluating BD9G401EFJ-M. While the BD9G401EFJ-M accepts a power supply input range of 4.5V to 42V, and generates output voltages from 1V to VCC, this EVK is setup for the input voltage range of 10V to 42V and a fixed output of 5V can be produced.

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User's Guide