Technical Information Site of Power Supply Design

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Product Information

You can easily find the best power supply IC, Si/SiC MOSFETs and diodes, and other related products using the product lineup tree and features.

Low Power

- BD9Bxxx

1ch Integrated MOSFET synchronous buck converter. Fixed on-time control. Supply current: 35µA. Efficiency: 93%. Light load mode. Fast transient response time without C and R for compensation.

Compact

- BU9000x

1ch Integrated MOSFET synchronous buck converter. PWM/PFM control. Light load mode. No C and R for compensation. Usable smaller inductor with fSW=6MHz. Small UCSP35L1 package (1.3×0.9×0.4mm)

High Efficiency

- BD9Bxxx

1ch Integrated MOSFET synchronous buck converter. Fixed on-time control. Supply current: 35µA. Efficiency: 93%. Light load mode. Fast transient response time without C and R for compensation. Usable smaller inductor with fSW=2MHz.

- BD9Cxxx

1ch Integrated MOSFET synchronous buck converter. Current mode with fast transient response time and easy to compensate. No bootstrap capacitor with Pch high-side MOSFET. VINMAX: 18V, ABS MAX: 20V.

Isolated

- BD8325FVT

Active clamp PWM controller with secondary side synchronous driver. Isolated current mode. Possible to design 10W to 700W power supply. Variety of protections for both primary and secondary side.

- BD9031FV

1ch isolated boost switching controller. Current mode. 35V, Automotive capable.

Fast Transient Response

- BD95602MUV

2ch synchronous buck controller. Ultra-fast transient response H3Reg fixed on-time control. Light load and silent light load mode. Internal dual LDO. Dual Nch external MOSFET. VINMAX: 30V.

- BD9Bxxx

1ch Integrated MOSFET synchronous buck converter. Fixed on-time control. Supply current: 35µA. Efficiency: 93%. Light load mode. Fast transient response time without C and R for compensation. Usable smaller inductor with fSW=2MHz.

- BD9Dxxx

1ch Integrated MOSFET synchronous buck converter. Fixed on-time control. Fast transient response time without C and R for compensation. VINMAX: 18V, ABS MAX: 20V. Usable ceramic capacitor.

External MOSFET

- BD9FZ10FV

Synchronous buck controller. Fixed on-time control. VINMAX: 32V.
Light load. SSOPB16 package allowed flow soldering.

- BD95602MUV

2ch synchronous buck controller. Ultra-fast transient response H3Reg fixed on-time control. Light load and silent light load mode. Internal dual LDO. Dual Nch external MOSFET. VINMAX: 30V.


3.3V/5V input

Output Current Output Voltage Part Number Description
1A 1V~3.3V BD9A100MUV 1ch Integrated MOSFET synchronous buck converter. Current mode with fast transient response time and easy to compensate. Supply current: 250µA. Efficiency: 93%. Light load mode. Usable smaller inductor with fSW=1MHz.
BD9B100MUV 1ch Integrated MOSFET synchronous buck converter. Fixed on-time control. Supply current: 35µA. Efficiency: 93%. Fast transient response time without C and R for compensation. Usable smaller inductor with fSW=2MHz.
2A 1V~2.5V BD9130EFJ 1ch Integrated MOSFET synchronous buck converter. Current mode with fast transient response time and easy to compensate. Supply current: 250µA. Efficiency: >90%. Light load mode. Usable smaller inductor with fSW=1MHz. Pch high-side MOSFET.
0.8V~3.3V BD91370MUV 1ch Integrated MOSFET synchronous buck converter. Current mode with fast transient response time and easy to compensate. Supply current: 250µA. Light load mode. Usable smaller inductor with fSW=1MHz.
3A 1V~3.3V BD9A300MUV 1ch Integrated MOSFET synchronous buck converter. Current mode with fast transient response time and easy to compensate. Supply current: 250µA. Efficiency: 93%. Light load mode. Usable smaller inductor with fSW=1MHz.
BD9B300MUV 1ch Integrated MOSFET synchronous buck converter. Fixed on-time control. Supply current: 35µA. Efficiency: 93%. Light load mode. Fast transient response time without C and R for compensation. Smaller inductor with fSW=2MHz.
2.5V~3.3V BD9139MUV 1ch Integrated MOSFET synchronous buck converter. Current mode with fast transient response time and easy to compensate. Supply current: 250µA. Light load mode. Usable smaller inductor with fSW=1MHz.
4A 1V~3.3V BD9137MUV 1ch Integrated MOSFET synchronous buck converter. Current mode with fast transient response time and easy to compensate. Supply current: 250µA. Light load mode. Usable smaller inductor with fSW=1MHz.
BD91361MUV 1ch Integrated MOSFET synchronous buck converter. Current mode with fast transient response time and easy to compensate. Supply current: 250µA. Light load mode. Usable smaller inductor with fSW=1MHz.
6A 1V~3.3V BD9A600MUV 1ch Integrated MOSFET synchronous buck converter. Current mode with fast transient response time and easy to compensate. Supply current: 250µA. Efficiency: 93%. Light load mode. Usable smaller inductor with fSW=1MHz.
BD9B600MUV 1ch Integrated MOSFET synchronous buck converter. Fixed on-time control. Supply current: 35µA. Efficiency: 93%. Light load mode. Fast transient response time without C and R for compensation. Smaller inductor with fSW=2MHz.

12V Input

Output Current Output Voltage Part Number Description
2A 1V~5V BD95821MUV 1ch Integrated MOSFET synchronous buck converter. Ultra-fast transient response H3Reg fixed on-time control. No C and R for compensation. VINMAX: 15V.
BD9328EFJ 1ch Integrated MOSFET synchronous buck converter. Current mode with fast transient response time and easy to compensate. VINMAX: 15V. Usable ceramic capacitor for output.
2.5V~5V BD9141MUV 1ch Integrated MOSFET synchronous buck converter. Current mode with fast transient response time and easy to compensate. Light load mode. VINMAX: 13.2V, ABS MAX: 15V.
3A 1V~5V BD95831MUV 1ch Integrated MOSFET synchronous buck converter. Ultra-fast transient response H3Reg fixed on-time control. No C and R for compensation. VINMAX: 15V.
BD9329AEFJ 1ch Integrated MOSFET synchronous buck converter. Current mode with fast transient response time and easy to compensate. VINMAX: 20V. Usable ceramic capacitor for output.
1.2V~5V BD9D320EFJ 1ch Integrated MOSFET synchronous buck converter. Fixed on-time control. Fast transient response time without C and R for compensation. VINMAX: 20V. Usable ceramic capacitor for output.
BD9D321EFJ 1ch Integrated MOSFET synchronous buck converter. Fixed on-time control. Light load mode. Fast transient response time without C and R for compensation. VINMAX: 20V. Usable ceramic capacitor for output.
1.8V~5V BD9C301FJ 1ch Integrated MOSFET synchronous buck converter. Current mode with fast transient response time and easy to compensate. No bootstrap capacitor with Pch high-side MOSFET. VINMAX: 18V, ABS MAX: 20V.
4A 1V~5V BD95841MUV 1ch Integrated MOSFET synchronous buck converter. Ultra-fast transient response H3Reg fixed on-time control. No C and R for compensation. VINMAX: 15V.
1.8V~5V BD9C401EFJ 1ch Integrated MOSFET synchronous buck converter. Current mode with fast transient response time and easy to compensate. No bootstrap capacitor with Pch high-side MOSFET. VINMAX: 18V, ABS MAX: 20V.
5A 1.8V~5V BD9C501EFJ 1ch Integrated MOSFET synchronous buck converter. Current mode with fast transient response time and easy to compensate. No bootstrap capacitor with Pch high-side MOSFET. VINMAX: 18V, ABS MAX: 20V.
6A 1V~5V BD95861MUV 1ch Integrated MOSFET synchronous buck converter. Ultra-fast transient response H3Reg fixed on-time control. No C and R for compensation. VINMAX: 18V.
1.8V~5V BD9C601EFJ 1ch Integrated MOSFET synchronous buck converter. Current mode with fast transient response time and easy to compensate. No bootstrap capacitor with Pch high-side MOSFET. VINMAX: 18V, ABS MAX: 20V.

24V Input

Output Current Output Voltage Part Number Description
1A 3.3V~12V BD9E101FJ 1ch Integrated MOSFET synchronous buck converter. Current mode with fast transient response time and easy to compensate. Usable smaller inductor with fSW=1MHz. VINMAX: 36V, ABS MAX: 40V.
1.2A 3.3V~12V BD9E151NUX 1ch Integrated MOSFET non-synchronous buck converter. Current mode with fast transient response time and easy to compensate. VINMAX: 28V, ABS MAX: 30V. Usable ceramic capacitor.
2.5A 3.3V~12V BD9E301EFJ 1ch Integrated MOSFET synchronous buck converter. Current mode with fast transient response time and easy to compensate. Usable smaller inductor with fSW=1MHz. VINMAX: 36V, ABS MAX: 40V.

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