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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (DKK) Filter the results in the table by unit price based on your quantity.	Qty.
Switching Voltage Regulators Buck DC/DC Converter w/MOSFET 2.7-5.5V BD9B200MUV-E2 ROHM Semiconductor 1: 7,18 kr. 3.000Expected 19/01/2027	Mfr. Part No. BD9B200MUV-E2 Mouser Part No 755-BD9B200MUV-E2	ROHM Semiconductor	Switching Voltage Regulators Buck DC/DC Converter w/MOSFET 2.7-5.5V Learn More about ROHM Semiconductor rohm bd9 buck converter	Datasheet	3.000Expected 19/01/2027	Cut Tape 7,18 kr. 5,20 kr. 4,70 kr. 4,15 kr. Reel 3,42 kr. View 3,88 kr. 3,72 kr. 3,64 kr. 3,39 kr. MouseReel Available	Min.: 1 Mult.: 1 : 3.000
Switching Voltage Regulators 4.5-18Vin,3A MOSFET DC/DC Converter BD9C301FJ-E2 ROHM Semiconductor 1: 9,40 kr. 9.588Expected 06/01/2027	Mfr. Part No. BD9C301FJ-E2 Mouser Part No 755-BD9C301FJ-E2	ROHM Semiconductor	Switching Voltage Regulators 4.5-18Vin,3A MOSFET DC/DC Converter Learn More about ROHM Semiconductor rohm bd9 buck converter	Datasheet	9.588Expected 06/01/2027	Cut Tape 9,40 kr. 6,93 kr. 6,26 kr. 5,55 kr. Reel 4,63 kr. View 5,21 kr. 5,01 kr. 4,95 kr. 4,62 kr. MouseReel Available	Min.: 1 Mult.: 1 : 2.500
Switching Voltage Regulators 7-26V; 1A MOSFET S. Sync Buck DC/DC BD9E104FJ-E2 ROHM Semiconductor 1: 7,31 kr. 4.944On Order	Mfr. Part No. BD9E104FJ-E2 Mouser Part No 755-BD9E104FJ-E2	ROHM Semiconductor	Switching Voltage Regulators 7-26V; 1A MOSFET S. Sync Buck DC/DC Learn More about ROHM Semiconductor rohm bd9 buck converter	Datasheet	4.944On Order On Order Ship Dates Mfr. No: BD9E104FJ-E2 Stock: 0 On Order: 2.444 Expected 30/10/2026 2.500 Expected 29/01/2027 Factory Lead Time: 14 Weeks	Cut Tape 7,31 kr. 5,27 kr. 4,77 kr. 4,10 kr. View Reel 3,35 kr. 3,83 kr. 3,67 kr. 3,56 kr. 3,35 kr. MouseReel Available	Min.: 1 Mult.: 1 : 2.500
Switching Voltage Regulators 4.5V to 28V Input, 2.0A Integrated MOSFET Single Synchronous Buck DC/DC Converter: BD9E201FP4-Z is a single synchronous buck DC/DC converter with built-in low on-resistance power MOSFETs. BD9E201FP4-Z is a current mode control. It includes internal p BD9E201FP4-ZTL ROHM Semiconductor 1: 9,77 kr. 3.500Expected 21/01/2027	Mfr. Part No. BD9E201FP4-ZTL Mouser Part No 755-BD9E201FP4-ZTL	ROHM Semiconductor	Switching Voltage Regulators 4.5V to 28V Input, 2.0A Integrated MOSFET Single Synchronous Buck DC/DC Converter: BD9E201FP4-Z is a single synchronous buck DC/DC converter with built-in low on-resistance power MOSFETs. BD9E201FP4-Z is a current mode control. It includes internal p Learn More about ROHM Semiconductor rohm bd9 buck converter	Datasheet	3.500Expected 21/01/2027	Cut Tape 9,77 kr. 7,12 kr. 6,48 kr. 6,04 kr. Reel 4,92 kr. View 5,85 kr. 5,74 kr. 5,70 kr. 4,88 kr.	Min.: 1 Mult.: 1 : 3.500
Switching Voltage Regulators 12-76V 1Ch Buck Conv w/ Integrated FET BD9G341AEFJ-LBE2 ROHM Semiconductor 1: 32,75 kr. 5.000Expected 03/12/2026	Mfr. Part No. BD9G341AEFJ-LBE2 Mouser Part No 755-BD9G341AEFJ-LBE2	ROHM Semiconductor	Switching Voltage Regulators 12-76V 1Ch Buck Conv w/ Integrated FET Learn More about ROHM Semiconductor rohm bd9 buck converter	Datasheet	5.000Expected 03/12/2026	Cut Tape 32,75 kr. 24,77 kr. 22,75 kr. 20,59 kr. View Reel 17,68 kr. 19,55 kr. 19,47 kr. 18,35 kr. 17,68 kr. MouseReel Available	Min.: 1 Mult.: 1 : 2.500
Switching Voltage Regulators Ind Bck Sync 4.5-18V w/ Integrated FET BD9C301FJ-LBGH2 ROHM Semiconductor 1: 26,48 kr. 250Expected 03/12/2026	Mfr. Part No. BD9C301FJ-LBGH2 Mouser Part No 755-BD9C301FJ-LBGH2	ROHM Semiconductor	Switching Voltage Regulators Ind Bck Sync 4.5-18V w/ Integrated FET Learn More about ROHM Semiconductor rohm bd9 buck converter	Datasheet	250Expected 03/12/2026	Cut Tape 26,48 kr. 19,99 kr. 18,43 kr. 16,64 kr. Reel 15,74 kr. View 15,29 kr. 14,47 kr. 14,25 kr. MouseReel Available	Min.: 1 Mult.: 1 : 250
Switching Voltage Regulators Power Management Switches BD9106FVM-LBTR ROHM Semiconductor 1: 16,41 kr. Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. BD9106FVM-LBTR Mouser Part No 755-BD9106FVM-LBTR	ROHM Semiconductor	Switching Voltage Regulators Power Management Switches Learn More about ROHM Semiconductor rohm bd9 buck converter	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape 16,41 kr. 12,16 kr. 11,19 kr. 10,00 kr. View Reel 8,58 kr. 9,40 kr. 9,18 kr. 8,95 kr. 8,58 kr. MouseReel Available	Min.: 1 Mult.: 1 : 3.000
Switching Voltage Regulators 1.0-2.5V Output With Bulit in MOSFET BD9130NV-E2 ROHM Semiconductor 1: 24,69 kr. Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. BD9130NV-E2 Mouser Part No 755-BD9130NV-E2	ROHM Semiconductor	Switching Voltage Regulators 1.0-2.5V Output With Bulit in MOSFET Learn More about ROHM Semiconductor rohm bd9 buck converter	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape 24,69 kr. 18,50 kr. 16,93 kr. 15,22 kr. Reel 12,98 kr. View 14,47 kr. 14,02 kr. 13,50 kr. 12,91 kr. MouseReel Available	Min.: 1 Mult.: 1 : 2.000
Power Management IC Development Tools Evaluation board for BD9E104FJ BD9E104FJ-EVK-001 ROHM Semiconductor 1: 253,12 kr. Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. BD9E104FJ-EVK-001 Mouser Part No 755-BD9E104FJ-EVK001	ROHM Semiconductor	Power Management IC Development Tools Evaluation board for BD9E104FJ Learn More about ROHM Semiconductor rohm bd9 buck converter	Datasheet	Non-Stocked Lead-Time 12 Weeks	253,12 kr.	Min.: 1 Mult.: 1
Switching Voltage Regulators 4CH Internal Pwr MOSFET Reg BD9866GUL-E2 ROHM Semiconductor 2.500: 16,71 kr. Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. BD9866GUL-E2 Mouser Part No 755-BD9866GUL-E2	ROHM Semiconductor	Switching Voltage Regulators 4CH Internal Pwr MOSFET Reg Learn More about ROHM Semiconductor rohm switching regulator boost converters	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel 16,71 kr.	Min.: 2.500 Mult.: 2.500 : 2.500
Switching Voltage Regulators ROHM Semiconductor BD9261EFV-E2 BD9261EFV-E2 ROHM Semiconductor 2.500: 9,40 kr. Non-Stocked	Mfr. Part No. BD9261EFV-E2 Mouser Part No 755-BD9261EFV-E2	ROHM Semiconductor	Switching Voltage Regulators Learn More about ROHM Semiconductor rohm industrial product solutions		Non-Stocked	Reel 9,40 kr. 9,33 kr.	Min.: 2.500 Mult.: 2.500 : 2.500