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BD9870FPS - Buck Converter

Description

The BD9870FPS is a single-channel step-down switching regulator integrated with a P-Channel MOSFET capable of PWM operation at 900 kHz.

It employs the use of smaller coil and circuitry to eliminate the need for external compensation.

Features

  • Built-in P-Channel MOSFET for High Efficiency.
  • Adjustable Output Voltage Via External Resistors.
  • Soft-Start Time: 5ms (Fixed).
  • Built-In Over-Current Protection and Thermal Shutdown Circuits.
  • ON/OFF Control Via STBY Pin.
  • Ceramic Output Capacitor Compatibility Key Specifications.
  • Input Voltage Range: 8.0V to 35.0V.
  • Output Voltage Range:1.0V to0.8Vx(VCC-IOUTxRON)V.
  • Output Current: 1.5A(Max).
  • Switching Frequency: 900kHz(Typ).
  • Output ON.

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Datasheet Details

Part number BD9870FPS
Manufacturer ROHM
File Size 855.67 KB
Description Buck Converter
Datasheet download datasheet BD9870FPS Datasheet

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Full PDF Text Transcription

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Datasheet 8.0V to 35V, 1.5A 1ch Buck Converter with Integrated FET BD9870FPS General Description The BD9870FPS is a single-channel step-down switching regulator integrated with a P-Channel MOSFET capable of PWM operation at 900 kHz. It employs the use of smaller coil and circuitry to eliminate the need for external compensation. The circuitry consists only of a diode, coil and ceramic capacitor thus reducing the board size significantly. Features  Built-in P-Channel MOSFET for High Efficiency  Adjustable Output Voltage Via External Resistors  Soft-Start Time: 5ms (Fixed)  Built-In Over-Current Protection and Thermal Shutdown Circuits  ON/OFF Control Via STBY Pin  Ceramic Output Capacitor Compatibility Key Specifications  Input Voltage Range: 8.0V to 35.
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