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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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Part #

Switching Voltage Regulators 7.0V to 36V Input, 3.0A Integrated MOSFET Single Synchronous Buck DC/DC Converter

BD9E303UEFJ-LBH2
ROHM Semiconductor
1: $5.30
157In Stock

Mfr. Part No.
BD9E303UEFJ-LBH2

Mouser Part No
755-BD9E303UEFJ-LBH2

ROHM Semiconductor

Switching Voltage Regulators 7.0V to 36V Input, 3.0A Integrated MOSFET Single Synchronous Buck DC/DC Converter

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Datasheet

157In Stock

Cut Tape

$5.30

$4.04

$3.72

$3.38

Reel

$3.20

View

Min.: 1
Mult.: 1

: 250

Switching Voltage Regulators BUCK SWITCHING REG IC

BD9G201UEFJ-ME2
ROHM Semiconductor
1: $2.32
498In Stock

Mfr. Part No.
BD9G201UEFJ-ME2

Mouser Part No
755-BD9G201UEFJ-ME2

ROHM Semiconductor

Switching Voltage Regulators BUCK SWITCHING REG IC

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Datasheet

498In Stock

Cut Tape

$2.32

$1.72

$1.57

$1.41

Reel

$1.19

View

Min.: 1
Mult.: 1

: 2,500

Switching Voltage Regulators IC Pwr Swtch Reg Multi Output

BD93291EFJ-E2
ROHM Semiconductor
1: $1.14
4,182In Stock

Mfr. Part No.
BD93291EFJ-E2

Mouser Part No
755-BD93291EFJ-E2

ROHM Semiconductor

Switching Voltage Regulators IC Pwr Swtch Reg Multi Output

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Datasheet

4,182In Stock

Cut Tape

$1.14

$0.837

$0.756

$0.667

Reel

$0.556

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Switching Voltage Regulators IC Pwr Swtch Reg Integrated FET

BD95861MUV-E2
ROHM Semiconductor
1: $1.69
8,109In Stock

Mfr. Part No.
BD95861MUV-E2

Mouser Part No
755-BD95861MUV-E2

ROHM Semiconductor

Switching Voltage Regulators IC Pwr Swtch Reg Integrated FET

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Datasheet

8,109In Stock

Cut Tape

$1.69

$1.24

$1.13

$1.01

View

Reel

$0.842

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Switching Voltage Regulators 900 kHz SINGLE CHAN STEP DOWN SWITCHING

BD9870FPS-E2
ROHM Semiconductor
1: $1.90
2,507In Stock
2,000Expected 17/09/2026

Mfr. Part No.
BD9870FPS-E2

Mouser Part No
755-BD9870FPS-E2

ROHM Semiconductor

Switching Voltage Regulators 900 kHz SINGLE CHAN STEP DOWN SWITCHING

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Datasheet

2,507In Stock

2,000Expected 17/09/2026

Cut Tape

$1.90

$1.40

$1.28

$1.14

Reel

$0.99

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Switching Voltage Regulators 2.7V To 5.5 MOSFET DC/DC Conv

BD9B301MUV-LBE2
ROHM Semiconductor
1: $3.33
822In Stock

Mfr. Part No.
BD9B301MUV-LBE2

Mouser Part No
755-BD9B301MUV-LBE2

ROHM Semiconductor

Switching Voltage Regulators 2.7V To 5.5 MOSFET DC/DC Conv

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Datasheet

822In Stock

Cut Tape

$3.33

$2.50

$2.30

$2.07

Reel

$1.76

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Switching Voltage Regulators 4.5-18Vin,3A MOSFET DC/DC Converter

BD9C301FJ-E2
ROHM Semiconductor
1: $1.47
7,037In Stock

Mfr. Part No.
BD9C301FJ-E2

Mouser Part No
755-BD9C301FJ-E2

ROHM Semiconductor

Switching Voltage Regulators 4.5-18Vin,3A MOSFET DC/DC Converter

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Datasheet

7,037In Stock

Cut Tape

$1.47

$1.08

$0.975

$0.865

Reel

$0.71

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Switching Voltage Regulators RECT 650V 15A SM SCHOTTKY

BD9C601EFJ-E2
ROHM Semiconductor
1: $2.32
1,450In Stock

Mfr. Part No.
BD9C601EFJ-E2

Mouser Part No
755-BD9C601EFJ-E2

ROHM Semiconductor

Switching Voltage Regulators RECT 650V 15A SM SCHOTTKY

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Datasheet

1,450In Stock

Cut Tape

$2.32

$1.72

$1.56

$1.41

Reel

$1.19

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Switching Voltage Regulators IC Pwr Swtch Reg Integrated FET

BD9D320EFJ-E2
ROHM Semiconductor
1: $0.67
9,565In Stock
15,000Expected 09/11/2026

Mfr. Part No.
BD9D320EFJ-E2

Mouser Part No
755-BD9D320EFJ-E2

ROHM Semiconductor

Switching Voltage Regulators IC Pwr Swtch Reg Integrated FET

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Datasheet

9,565In Stock

15,000Expected 09/11/2026

Cut Tape

$0.67

$0.477

$0.428

$0.374

Reel

$0.306

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Switching Voltage Regulators IC Pwr Swtch Reg Integrated FET

BD9D321EFJ-E2
ROHM Semiconductor
1: $0.69
7,580In Stock

Mfr. Part No.
BD9D321EFJ-E2

Mouser Part No
755-BD9D321EFJ-E2

ROHM Semiconductor

Switching Voltage Regulators IC Pwr Swtch Reg Integrated FET

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Datasheet

7,580In Stock

Cut Tape

$0.69

$0.487

$0.438

$0.383

Reel

$0.309

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Switching Voltage Regulators SD Switching Reg

BD9G101G-TR
ROHM Semiconductor
1: $1.57
12,631In Stock

Mfr. Part No.
BD9G101G-TR

Mouser Part No
755-BD9G101G-TR

ROHM Semiconductor

Switching Voltage Regulators SD Switching Reg

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Datasheet

12,631In Stock

Cut Tape

$1.57

$1.15

$1.04

$0.923

Reel

$0.772

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Switching Voltage Regulators Buck Conv Intgtd FET 0.5A 1ch; 6V-24V

BD9G102G-LBTR
ROHM Semiconductor
1: $1.57
7,183In Stock
9,000Expected 14/08/2026

Mfr. Part No.
BD9G102G-LBTR

Mouser Part No
755-BD9G102G-LBTR

ROHM Semiconductor

Switching Voltage Regulators Buck Conv Intgtd FET 0.5A 1ch; 6V-24V

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Datasheet

Product Comments

7,183In Stock

9,000Expected 14/08/2026

Cut Tape

$1.57

$1.16

$1.05

$0.928

Reel

$0.741

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Switching Voltage Regulators Power Supply IC T/R

BD9161FVM-LBTR
ROHM Semiconductor
1: $2.03
2,994In Stock
NRND

Mfr. Part No.
BD9161FVM-LBTR

Mouser Part No
755-BD9161FVM-LBTR

NRND

ROHM Semiconductor

Switching Voltage Regulators Power Supply IC T/R

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Datasheet

2,994In Stock

Cut Tape

$2.03

$2.00

$1.83

$1.72

Reel

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Switching Voltage Regulators 4.2-18V 100-800kHz 1 Chan Step-Up

BD9306AFVM-TR
ROHM Semiconductor
1: $1.63
691In Stock

Mfr. Part No.
BD9306AFVM-TR

Mouser Part No
755-BD9306AFVM-TR

ROHM Semiconductor

Switching Voltage Regulators 4.2-18V 100-800kHz 1 Chan Step-Up

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Datasheet

691In Stock

Cut Tape

$1.63

$1.20

$1.09

$0.962

Reel

$0.805

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Switching Voltage Regulators 7.0V to 36V Input, 2.5A Integrated MOSFET Single Synchronous Buck DC/DC Converter

BD9E300UEFJ-LBH2
ROHM Semiconductor
1: $5.06
250In Stock

Mfr. Part No.
BD9E300UEFJ-LBH2

Mouser Part No
755-BD9E300UEFJ-LBH2

ROHM Semiconductor

Switching Voltage Regulators 7.0V to 36V Input, 2.5A Integrated MOSFET Single Synchronous Buck DC/DC Converter

Learn More

Datasheet

250In Stock

Cut Tape

$5.06

$3.85

$3.55

$3.22

Reel

$3.05

View

Min.: 1
Mult.: 1

: 250

Switching Voltage Regulators IC Pwr Swtch Reg Integrated FET

BD9326EFJ-E2
ROHM Semiconductor
1: $1.59
1,315In Stock

Mfr. Part No.
BD9326EFJ-E2

Mouser Part No
755-BD9326EFJ-E2

ROHM Semiconductor

Switching Voltage Regulators IC Pwr Swtch Reg Integrated FET

Learn More

Datasheet

1,315In Stock

Cut Tape

$1.59

$1.17

$1.06

$0.939

Reel

$0.788

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Switching Controllers 60V Synchronous Step-down Regulator

BD9611MUV-E2
ROHM Semiconductor
1: $2.69
1,134In Stock
2,500Expected 26/01/2027

Mfr. Part No.
BD9611MUV-E2

Mouser Part No
755-BD9611MUV-E2

ROHM Semiconductor

Switching Controllers 60V Synchronous Step-down Regulator

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Datasheet

1,134In Stock

2,500Expected 26/01/2027

Cut Tape

$2.69

$1.97

$1.81

$1.49

Reel

$1.08

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Switching Voltage Regulators IC Pwr Swtch Reg Integrated FET

BD9873CP-V5E2
ROHM Semiconductor
1: $1.79
260In Stock
500Expected 08/10/2026

Mfr. Part No.
BD9873CP-V5E2

Mouser Part No
755-BD9873CP-V5E2

ROHM Semiconductor

Switching Voltage Regulators IC Pwr Swtch Reg Integrated FET

Learn More

Datasheet

260In Stock

500Expected 08/10/2026

Cut Tape

$1.79

$1.32

$1.20

$1.07

Reel

$0.985

View

Min.: 1
Mult.: 1

: 500

Switching Voltage Regulators IC Pwr Swtch Reg Integrated FET

BD9874CP-V5E2
ROHM Semiconductor
1: $2.02
387In Stock

Mfr. Part No.
BD9874CP-V5E2

Mouser Part No
755-BD9874CP-V5E2

ROHM Semiconductor

Switching Voltage Regulators IC Pwr Swtch Reg Integrated FET

Learn More

Datasheet

387In Stock

Cut Tape

$2.02

$1.49

$1.36

$1.21

Reel

$1.08

View

Min.: 1
Mult.: 1

: 500

Switching Voltage Regulators 2.7V-5.5V 6A MOSFET Sngl Sync Buck Conv

BD9A600MUV-E2
ROHM Semiconductor
1: $1.17
980In Stock
21,000On Order

Mfr. Part No.
BD9A600MUV-E2

Mouser Part No
755-BD9A600MUV-E2

ROHM Semiconductor

Switching Voltage Regulators 2.7V-5.5V 6A MOSFET Sngl Sync Buck Conv

Learn More

Datasheet

980In Stock

21,000On Order

Cut Tape

$1.17

$0.844

$0.763

$0.674

Reel

$0.57

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Switching Voltage Regulators Ind Buck Sync 7-36V w/ Integrated FET

BD9E100FJ-LBGH2
ROHM Semiconductor
1: $3.54
100In Stock
250Expected 02/12/2026

Mfr. Part No.
BD9E100FJ-LBGH2

Mouser Part No
755-BD9E100FJ-LBGH2

ROHM Semiconductor

Switching Voltage Regulators Ind Buck Sync 7-36V w/ Integrated FET

Learn More

Datasheet

100In Stock

250Expected 02/12/2026

Cut Tape

$3.54

$2.67

$2.45

$2.21

Reel

$2.08

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

Switching Voltage Regulators Ind Buck Sync 7-36V w/ Integrated FET

BD9E101FJ-LBGH2
ROHM Semiconductor
1: $3.54
139In Stock

Mfr. Part No.
BD9E101FJ-LBGH2

Mouser Part No
755-BD9E101FJ-LBGH2

ROHM Semiconductor

Switching Voltage Regulators Ind Buck Sync 7-36V w/ Integrated FET

Learn More

Datasheet

139In Stock

Cut Tape

$3.54

$2.67

$2.45

$2.21

Reel

$2.07

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

Switching Voltage Regulators 7-26V; 1A MOSFET S. Sync Buck DC/DC

BD9E104FJ-E2
ROHM Semiconductor
1: $1.08
38In Stock
2,500Expected 29/10/2026

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

Datasheet

38In Stock

2,500Expected 29/10/2026

Cut Tape

$1.08

$0.776

$0.701

$0.618

Reel

$0.514

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Switching Voltage Regulators 7-28V 3A Int MOSFET Buck DC/DC Conv IC

BD9E302EFJ-E2
ROHM Semiconductor
1: $1.13
2,086In Stock
17,500On Order

Mfr. Part No.
BD9E302EFJ-E2

Mouser Part No
755-BD9E302EFJ-E2

ROHM Semiconductor

Switching Voltage Regulators 7-28V 3A Int MOSFET Buck DC/DC Conv IC

Learn More

Datasheet

2,086In Stock

17,500On Order

Cut Tape

$1.13

$0.814

$0.736

$0.649

View

Reel

$0.522

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Switching Voltage Regulators High Eff. Stepdown Sw Reg 2A 4.5-13.2V

BD9141MUV-E2
ROHM Semiconductor
1: $4.00
52In Stock

Mfr. Part No.
BD9141MUV-E2

Mouser Part No
755-BD9141MUV-E2

ROHM Semiconductor

Switching Voltage Regulators High Eff. Stepdown Sw Reg 2A 4.5-13.2V

Learn More

Datasheet

52In Stock

Cut Tape

$4.00

$2.99

$2.73

$2.45

Reel

$2.12

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

BD9x Integrated MOSFET DC-DC Buck Converters

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BD9x Integrated MOSFET DC-DC Buck Converters

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