BD9x Integrated MOSFET DC-DC Buck Converters

ROHM Semiconductor BD9x Integrated MOSFET DC-DC Buck Converters are synchronous buck switching regulators with built-in power MOSFETs. These ICs provide currents in a range from 1A to 6A. ROHM BD9x DC-DC Buck Converters deliver fast transient response by employing a constant on-time control system. This allows high oscillating frequency at low inductance. The devices employ an original constant on-time control method that provides low consumption at light load. This feature makes these devices ideal for equipment that demands minimal standby power consumption.

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Qty. RoHS Mounting Style
Package / Case
Output Voltage
ROHM Semiconductor Switching Voltage Regulators 1ch Buck Converter, 4.5V to 42V Input Voltage Range 3.5A Output Current Integrated FET
Datasheet
2,199In Stock
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: 2,500

SMD/SMT HTSOP-J8 800 mV to 42 V
ROHM Semiconductor Switching Voltage Regulators 7.0V to 36V Input, 2.5A Integrated MOSFET Single Synchronous Buck DC/DC Converter
Datasheet
2,367In Stock
Min.: 1
Mult.: 1
: 2,500

SMD/SMT HTSOP-J8 1 V to 25.2 V
ROHM Semiconductor Switching Voltage Regulators Buck DC/DC Converter w/MOSFET 2.7-5.5V
Datasheet
62,442In Stock
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Min.: 1
Mult.: 1
: 3,000

SMD/SMT QFN-16 800 mV to 4.4 V
ROHM Semiconductor Switching Voltage Regulators CONV DCDC SNGL STPDN 4.75V-18V 8PIN
Datasheet
1,550In Stock
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Min.: 1
Mult.: 1
: 2,500

SMD/SMT SOP-J-8 18 V
ROHM Semiconductor Switching Voltage Regulators High Eff. Stepdown Sw. Reg. 2A 4.5-5.5V
Datasheet
1,309In Stock
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Min.: 1
Mult.: 1
: 2,000

SMD/SMT SON-8 3.3 V
ROHM Semiconductor Switching Voltage Regulators SWITCH REGULATOR PWR MOSFET 2A
Datasheet
2,500In Stock
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Min.: 1
Mult.: 1
: 2,500

SMD/SMT VQFNV4040-EP-20 800 mV to 3.3 V
ROHM Semiconductor Switching Voltage Regulators 2.7V to 5.5V Input, 3.0A Integrated MOSFET Buck DC/DC Converter
Datasheet
4,056In Stock
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Min.: 1
Mult.: 1
: 3,000

SMD/SMT VQFNV3030-EP-16 800 mV to 4.4 V
ROHM Semiconductor Switching Voltage Regulators 2.7-5.5v DC/DC Conv w/ 5A MOSFET
Datasheet
3,802In Stock
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Min.: 1
Mult.: 1
: 3,000

SMD/SMT VQFNV3030-EP-16 800 mV to 4.4 V
ROHM Semiconductor Switching Voltage Regulators IC Pwr Swtch Reg Integrated FET
Datasheet
Product Comments
3,396In Stock
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Min.: 1
Mult.: 1
: 2,000

SMD/SMT 800 mV to 35 V
ROHM Semiconductor Switching Voltage Regulators Buck DC/DC Converter w/MOSFET 2.7-5.5V
Datasheet
24,204In Stock
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Min.: 1
Mult.: 1
: 3,000

SMD/SMT VQFNV3030-EP-16 800 mV to 4.4 V
ROHM Semiconductor Switching Voltage Regulators 4.5V to 18V Input, 4.0A Integrated MOSFET 1ch Synchronous Buck DC/DC Converter
Datasheet
2,362In Stock
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Min.: 1
Mult.: 1
: 2,500

SMD/SMT HTSOP-J8 800 mV to 12.6 V
ROHM Semiconductor Switching Voltage Regulators 7-36Vin,2.5A MOSFET DC/DC Converter
Datasheet
1,507In Stock
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Min.: 1
Mult.: 1
: 2,500

SMD/SMT HTSOP-J8 1 V to 25.2 V
ROHM Semiconductor Switching Voltage Regulators IC Pwr Swtch Reg Integrated FET
Datasheet
5,825In Stock
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Min.: 1
Mult.: 1
: 3,000

SMD/SMT VQFNV3030-EP-16 800 mV to 5.5 V
ROHM Semiconductor Switching Voltage Regulators 2.7-5.5V 6A 30mohm Sync Buck DC/DC Conv
Datasheet
2,632In Stock
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Min.: 1
Mult.: 1
: 3,000

SMD/SMT VQFNV3030-EP-16 800 mV to 4.4 V
ROHM Semiconductor Switching Voltage Regulators 7-36Vin,2.5A MOSFET DC/DC Converter
Datasheet
2,690In Stock
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Min.: 1
Mult.: 1
: 2,500

SMD/SMT HTSOP-J8 1 V to 25.2 V
ROHM Semiconductor Switching Voltage Regulators PMIC
Datasheet
2,000In Stock
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Min.: 1
Mult.: 1
: 1,000

SMD/SMT VQFNFV8080-EP-56
ROHM Semiconductor Switching Voltage Regulators 2.7V-5.5V 4A MOSFET Sngl Sync Buck Conv
Datasheet
4,662In Stock
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Min.: 1
Mult.: 1
: 3,000

SMD/SMT VQFNV3030-EP-16 800 mV to 3.85 V
ROHM Semiconductor Switching Voltage Regulators RECT 650V 12A SM SCHOTTKY
Datasheet
2,116In Stock
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: 2,500

SMD/SMT HTSOP-J8 800 mV to 12.6 V
ROHM Semiconductor Switching Voltage Regulators 7-36Vin,1A MOSFET DC/DC Converter
Datasheet
4,024In Stock
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Min.: 1
Mult.: 1
: 2,500

SMD/SMT SOP-J-8 1 V to 25.2 V
ROHM Semiconductor Switching Voltage Regulators 7.0V to 36V Input, 2.5A Integrated MOSFET Single Synchronous Buck DC/DC Converter
Datasheet
2,280In Stock
Min.: 1
Mult.: 1
: 2,500

SMD/SMT HTSOP-J8 1 V to 25.2 V
ROHM Semiconductor Switching Voltage Regulators 20V/1A 1MHz w/MOSFET PWM Buck Conv
Datasheet
3,165In Stock
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Min.: 1
Mult.: 1
: 2,500

SMD/SMT SOP-8 1.512 V to 20 V
ROHM Semiconductor Switching Voltage Regulators IC Pwr Swtch Reg Integrated FET
Datasheet
14,992In Stock
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Min.: 1
Mult.: 1
: 3,000

SMD/SMT VQFNV3030-EP-16 800 mV to 3.85 V
ROHM Semiconductor Switching Voltage Regulators IC Pwr Swtch Reg Integrated FET
Datasheet
5,969In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

SMD/SMT VQFNV3030-EP-16 800 mV to 5.5 V
ROHM Semiconductor Switching Voltage Regulators 7-36Vin,1A MOSFET DC/DC Converter
Datasheet
2,408In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

SMD/SMT SOP-J-8 1 V to 25.2 V
ROHM Semiconductor Switching Voltage Regulators CONV DCDC SNGL STPDN 4.75V-18V
Datasheet
58In Stock
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Min.: 1
Mult.: 1
: 2,500

SMD/SMT HTSOP-J8 18 V