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Switching Regulators ICs

Automotive-Relays ROHM switching regulators (DC/DC converters) are available with or without integrated FET (boost/buck/buck-boost) in single and multi-channel configurations that deliver broad compatibility. These industry-leading DC/DC converters and evaluation boards allow customers to develop and differentiate their power designs. They are ideally suited for industrial equipment applications, cellular base stations, consumer computers & peripherals and automotive applications.
Part Number Description Status Grade Channel Topology Vin 1
(V)
Vout1
(V)
Iout1
(Max.) [V]
SW Freq.
(Max.) [MHz]
Light Load Mode Op
Temp
°C
EN PGOOD
BD9A600MUV

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BD9A600MUV

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2.7V to 5.5V Input, 6A Integrated MOSFET, Single Synchronous Buck DC/DC Converter Recommended Standard 1 Buck 2.7 to 5.5 0.8 to 3.85 6 1 Yes -40 to 85 Yes Yes
BD9B100MUV

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2.7V to 5.5V Input, 1A Integrated MOSFET Single Synchronous Buck DC/DC Converter Recommended Standard 1 Buck 2.7 to 5.5 0.8 to 4.4 1 2 Yes -40 to 85 Yes Yes
BD9B200MUV

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2.7V to 5.5V Input, 2.0A Integrated MOSFET Single Synchronous Buck DC/DC Converter Recommended Standard 1 Buck 2.7 to 5.5 0.8 to 4.4 2 2 Yes -40 to 85 Yes Yes
BD9B300MUV

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BD9B300MUV

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2.7V to 5.5V Input, 3.0A Integrated MOSFET Synchronous Buck DC/DC Converter Recommended Standard 1 Buck 2.7 to 5.5 0.8 to 4.4 3 2 Yes -40 to 85 Yes Yes
BD9B301MUV-LB

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BD9B301MUV-LB

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2.7V to 5.5V Input, 3.0A Integrated MOSFET Single Synchronous Buck DC/DC Converter Recommended Industrial 1 Buck 2.7 to 5.5 0.8 to 4.4 3 2 Yes Tj=-40 to Tj=125 Yes Yes
BD9B304QWZ

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BD9B304QWZ

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2.7V to 5.5V Input, 3.0A Integrated MOSFET Single Synchronous Buck DC/DC Converter Recommended Standard 1 Buck 2.7 to 5.5 0.8 to 4.4 3 2 Yes -40 to 85 Yes No
BD9B305QUZ

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2.7V to 5.5V Input, 3.0A Integrated MOSFET Single Synchronous Buck DC/DC Converter Recommended Standard 1 Buck 2.7 to 5.5 0.6 to 4.4 3 1 Yes -40 to 85 Yes Yes
BD9B331GWZ

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BD9B331GWZ

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2.7V to 5.5V Input, 3A Integrated MOSFET Single Synchronous Buck DC/DC Converter Recommended Standard 1 Buck 2.7 to 5.5 0.6 to 4.4 3 1.3 Yes -40 to 85 Yes Yes
BD9B333GWZ

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Single Synchronous Buck DC/DC Converter, 2.7V to 5.5V Input, 3.0A Integrated MOSFET Recommended Standard 1 Buck 2.7 to 5.5 0.6 to 4.4 3 1.3 Yes -55 to 150 Yes Yes
BD9B400MUV

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2.7V to 5.5V Input, 4.0A Integrated MOSFET Single Synchronous Buck DC/DC Converter Recommended Standard 1 Buck 2.7 to 5.5 0.8 to 4.4 4 2 Yes -40 to 85 Yes Yes
BD9B500MUV

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BD9B500MUV

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2.7V to 5.5V Input, 5.0A Integrated MOSFET Single Synchronous Buck DC/DC Converter Recommended Standard 1 Buck 2.7 to 5.5 0.8 to 4.4 5 2 Yes -40 to 85 Yes Yes
BD9B600MUV

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BD9B600MUV

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2.7V to 5.5V Input, 6.0A Integrated MOSFET Single Synchronous Buck DC/DC Converter Recommended Standard 1 Buck 2.7 to 5.5 0.8 to 4.4 6 2 Yes -40 to 85 Yes Yes
BD9C301FJ

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BD9C301FJ

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4.5V to 18V Input, 3.0A Integrated MOSFET 1ch Synchronous Buck DC/DC Converter Recommended Standard 1 Buck 4.5 to 18 0.8 to 12.6 3 0.55 No -40 to 85 Yes No
BD9C301FJ-LB(H2)

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BD9C301FJ-LB(H2)

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4.5V to 18V Input, 3.0A Integrated MOSFET 1ch Synchronous Buck DC/DC Converter Recommended Industrial 1 Buck 4.5 to 18 0.8 to 12.6 3 0.55 No Tj=-40 to Tj=125 Yes No
BD9C401EFJ

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BD9C401EFJ

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4.5V to 18V Input, 4.0A Integrated MOSFET 1ch Synchronous Buck DC/DC Converter Recommended Standard 1 Buck 4.5 to 18 0.8 to 12.6 4 0.55 No -40 to 85 Yes No
BD9C501EFJ

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BD9C501EFJ

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4.5V to 18V Input, 5.0A Integrated MOSFET 1ch Synchronous Buck DC/DC Converter Recommended Standard 1 Buck 4.5 to 18 0.8 to 12.6 5 0.55 No -40 to 85 Yes No
BD9C601EFJ

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BD9C601EFJ

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4.5V to 18V Input, 6.0A Integrated MOSFET 1ch Synchronous Buck DC/DC Converter Recommended Standard 1 Buck 4.5 to 18 0.8 to 12.6 6 0.55 No -40 to 85 Yes No
BD9D300MUV

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4.0 V to 17 V Input, 3 A Integrated MOSFET Single Synchronous Buck DC/DC Converter Recommended Standard 1 Buck 4 to 17 0.9 to 5.25 3 1.25 Yes -40 to 85 Yes Yes
BD9D320EFJ

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BD9D320EFJ

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4.5-18V 3.0A 1ch Synchronous Buck Converter Recommended Standard 1 Buck 4.5 to 18 0.765 to 7 3 0.7 No -40 to 85 Yes No
BD9D321EFJ

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BD9D321EFJ

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4.5-18V 3.0A 1ch Synchronous Buck Converter Recommended Standard 1 Buck 4.5 to 18 0.765 to 7 3 0.7 Yes -40 to 85 Yes No
BD9D322QWZ

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BD9D322QWZ

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4.5V to 18V Input, 3.0A Integrated MOSFET Single Synchronous Buck DC/DC Converter Recommended Standard 1 Buck 4.5 to 18 0.765 to 7 3 0.7 Yes -40 to 85 Yes No
BD9D323QWZ

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BD9D323QWZ

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4.5V to 18V Input, 3.0A Integrated MOSFET 1ch Synchronous Buck DC/DC Converter Recommended Standard 1 Buck 4.5 to 18 0.765 to 7 3 0.7 No -40 to 85 Yes No
BD9E100FJ-LB(E2)

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BD9E100FJ-LB(E2)

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7.0V to 36V Input, 1.0A Integrated MOSFET Single Synchronous Buck DC/DC Converter Recommended Industrial 1 Buck 7 to 36 1 to 25.2 1 1 No Tj=-40 to Tj=150 Yes No
BD9E100FJ-LB(H2)

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BD9E100FJ-LB(H2)

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7.0V to 36V Input, 1.0A Integrated MOSFET Single Synchronous Buck DC/DC Converter Recommended Industrial 1 Buck 7 to 36 1 to 25.2 1 1 No Tj=-40 to Tj=150 Yes No
BD9E101FJ-LB(E2)

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BD9E101FJ-LB(E2)

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7.0V to 36V Input, 1.0A Integrated MOSFET Single Synchronous Buck DC/DC Converter Recommended Industrial 1 Buck 7 to 36 1 to 25.2 1 0.57 No Tj=-40 to Tj=150 Yes No
BD9E101FJ-LB(H2)

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7.0V to 36V Input, 1.0A Integrated MOSFET Single Synchronous Buck DC/DC Converter Recommended Industrial 1 Buck 7 to 36 1 to 25.2 1 0.57 No Tj=-40 to Tj=150 Yes No
BD9E104FJ

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BD9E104FJ

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7.0 V to 26.0 V Input, 1 A Integrated MOSFET Single Synchronous Buck DC/DC Converter Recommended Standard 1 Buck 7 to 26 1 to 13 1 0.57 Yes -40 to 85 Yes No
BD9E151ANUX

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BD9E151ANUX

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6V to 28V, 1.2A 1ch Step-Down Switching Regulator Integrated Power MOSFET New Recommended Recommended Standard 1 Buck 6 to 28 1 to 19.6 1.2 0.6 No -40 to 85 Yes No
BD9E300EFJ-LB(E2)

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BD9E300EFJ-LB(E2)

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7.0V to 36V Input, 2.5A Integrated MOSFET Single Synchronous Buck DC/DC Converter Recommended Industrial 1 Buck 7 to 36 1 to 25.2 2.5 1 No Tj=-40 to Tj=150 Yes No
BD9E300EFJ-LB(H2)

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7.0V to 36V Input, 2.5A Integrated MOSFET Single Synchronous Buck DC/DC Converter Recommended Industrial 1 Buck 7 to 36 1 to 25.2 2.5 1 No Tj=-40 to Tj=150 Yes No

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Willow Technologies Ltd. Unit 3 Borers Yard, Borers Arms Road, Copthorne, West Sussex, RH10 3LH, UK

Tel: +44 (0) 1342 717102, Email:

CORPORATE: Solid State Group

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