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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
BD9S110NUX-C

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BD9S110NUX-C

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2.7 V to 5.5 V Input, 1 A Single Synchronous Buck DC/DC Converter for Automotive Recommended AEC-Q100 (Automotive Grade) 1 Buck 2.7 to 5.5 1.2 to 1.2 1 2.2 No -40 to 125 Yes Yes
BD9S111NUX-C

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BD9S111NUX-C

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2.7 V to 5.5 V Input, 1 A Single Synchronous Buck DC/DC Converter for Automotive Recommended AEC-Q100 (Automotive Grade) 1 Buck 2.7 to 5.5 1.8 to 1.8 1 2.2 No -40 to 125 Yes Yes
BD9S200MUF-C

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BD9S200MUF-C

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2.7V to 5.5V Input, 2A Integrated MOSFET Single Synchronous Buck DC/DC Converter For Automotive Recommended AEC-Q100 (Automotive Grade) 1 Buck 2.7 to 5.5 0.8 to 4.4 2 2.2 Yes -40 to 125 Yes Yes
BD9S201NUX-C

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BD9S201NUX-C

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2.7V to 5.5V Input, 2A Single Synchronous Buck DC/DC Converter for Automotive Recommended AEC-Q100 (Automotive Grade) 1 Buck 2.7 to 5.5 0.8 to 5.5 2 2.2 No -40 to 125 Yes Yes
BD9S300MUF-C

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BD9S300MUF-C

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2.7V to 5.5V Input, 3A Integrated MOSFET Single Synchronous Buck DC/DC Converter For Automotive Recommended AEC-Q100 (Automotive Grade) 1 Buck 2.7 to 5.5 0.8 to 4.4 3 2.2 Yes -40 to 125 Yes Yes
BD9S400MUF-C

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BD9S400MUF-C

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2.7V to 5.5V Input, 4A Integrated MOSFET Single Synchronous Buck DC/DC Converter For Automotive Recommended AEC-Q100 (Automotive Grade) 1 Buck 2.7 to 5.5 0.8 to 4.4 4 2.2 Yes -40 to 125 Yes Yes
BD9SD11NUX-C

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BD9SD11NUX-C

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2.7V to 5.5V Input, 600mA Single Synchronous Buck DC/DC Converter for Automotive Under Development AEC-Q100 (Automotive Grade) 1 Buck 2.7 to 5.5 1.133 to 1.167 0.6 2.2 No -40 to 125 Yes Yes
BD9V100MUF-C

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BD9V100MUF-C

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16V to 60V, 1A 1ch 2.1MHz Synchronous Buck Converter Integrated FET For Automotive Recommended AEC-Q100 (Automotive Grade) 1 Buck 16 to 60 0.8 to 5.5 1 2.3 No -40 to 125 Yes Yes
BD9V101MUF-LB

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BD9V101MUF-LB

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16V to 60V, 1A 1ch 2.1MHz Synchronous Buck Converter Integrated FET Recommended Industrial 1 Buck 16 to 60 0.8 to 5.5 1 2.3 No -40 to 150 Yes Yes
BU33DV5G

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BU33DV5G-GTR

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1.75V to 4.5V, 10mA 1ch Synchronous Boost DC/DC Converter Recommended Standard 1 Boost 1.75 to 4.5 3.3 to 3.3 0.01 0.1 No -40 to 85 No No
BU33DV7NUX

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BU33DV7NUX-E2

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1.8V to 5.5V, 300mA 1ch Synchronous Boost DC/DC Converter Recommended Standard 1 Boost 1.8 to 5.5 3.3 to 3.3 0.3 0.7 Yes -40 to 85
BU90002GWZ

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BU90002GWZ

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Step-down Synchronous Switching regulators with Built-in Power MOSFET Recommended Standard 1 Buck 4 to 5.5 3.3 to 3.3 1 6.6 Yes -40 to 85 Yes No
BU90003GWZ

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BU90003GWZ

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Step-down Synchronous Switching regulators with Built-in Power MOSFET Recommended Standard 1 Buck 2.3 to 5.5 1.2 to 1.2 1 4.4 Yes -40 to 85 Yes No
BU90004GWZ

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BU90004GWZ

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Step-down Synchronous Switching regulators with Built-in Power MOSFET Recommended Standard 1 Buck 2.3 to 5.5 1.8 to 1.8 1 6 Yes -40 to 85 Yes No
BU90005GWZ

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BU90005GWZ

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Step-down Synchronous Switching regulators with Built-in Power MOSFET Recommended Standard 1 Buck 2.3 to 5.5 2.5 to 2.5 1 6.6 Yes -40 to 85 Yes No
BU90006GWZ

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BU90006GWZ

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Step-down Synchronous Switching regulators with Built-in Power MOSFET Recommended Standard 1 Buck 2.3 to 5.5 3 to 3 1 6.6 Yes -40 to 85 Yes No
BU90007GWZ

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BU90007GWZ

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Step-down Synchronous Switching regulators with Built-in Power MOSFET Recommended Standard 1 Buck 2.3 to 5.5 1.25 to 1.25 1 4.4 Yes -40 to 85 Yes No
BU90008GWZ

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BU90008GWZ

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Step-down Synchronous Switching regulators with Built-in Power MOSFET Recommended Standard 1 Buck 2.3 to 5.5 0.98 to 1.02 1 4 Yes -40 to 85 Yes No
BU90009GWZ

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Step-down Synchronous Switching regulators with Built-in Power MOSFET Recommended Standard 1 Buck 2.3 to 5.5 1.274 to 1.326 1 4.8 Yes -40 to 85 Yes No
BU90023NUX

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BU90023NUX

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Step-down Synchronous Switching regulators with Built-in Power MOSFET Recommended Standard 1 Buck 2.3 to 5.5 1.23 to 1.23 1.5 1 No -40 to 85 Yes No
BU90028NUX

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BU90028NUX

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Step-down Synchronous Switching regulators with Built-in Power MOSFET Recommended Standard 1 Buck 2.3 to 5.5 1.175 to 1.175 1.5 1 No -40 to 85 Yes No
BU90104GWZ

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BU90104GWZ

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1.0A, Step-down Synchronous Switching regulators with Built-in Power MOSFET Recommended Standard 1 Buck 2.3 to 5.5 1.764 to 1.836 1 6 Yes -40 to 85 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, Fax: +44 (0) 1342 717014, Email:

CORPORATE: Solid State Group

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