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BD9B331GWZ - Single Synchronous Buck DC/DC Converter

Description

ROHM’s high efficiency switching regulator, BD9B331GWZ, is a step-down converter designed to produce a low voltage output of 0.6V~3.3V from a 2.7V~5.5V power supply line.

It offers high efficiency in all load ranges by automatic PFM/PWM adjustment.

Features

  • Fast transient response with On time control system.
  • High efficiency for all load range with synchronous rectifier (Nch/Nch FET) and adaptive PFM/PWM system.
  • Adjustable Soft-start function.
  • Thermal and UVLO protection.
  • Short-circuit current protection with pulse count.
  • Shutdown function. Key Specifications.
  • Input Voltage Range: 2.7V to 5.5V.
  • Output Voltage Range: 0.6V to PVCC×0.8V.
  • Output Current: 3.0A (Max).
  • Switching Frequency: 1.

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Datasheet preview – BD9B331GWZ

Datasheet Details

Part number BD9B331GWZ
Manufacturer ROHM
File Size 2.55 MB
Description Single Synchronous Buck DC/DC Converter
Datasheet download datasheet BD9B331GWZ Datasheet
Additional preview pages of the BD9B331GWZ datasheet.

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Full PDF Text Transcription

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2.7V to 5.5V Input ,3A Integrated MOSFET Single Synchronous Buck DC/DC Converter BD9B331GWZ General Description ROHM’s high efficiency switching regulator, BD9B331GWZ, is a step-down converter designed to produce a low voltage output of 0.6V~3.3V from a 2.7V~5.5V power supply line. It offers high efficiency in all load ranges by automatic PFM/PWM adjustment. It employs an On time control system to provide faster transient response to sudden change in load. Features  Fast transient response with On time control system.  High efficiency for all load range with synchronous rectifier (Nch/Nch FET) and adaptive PFM/PWM system.  Adjustable Soft-start function.  Thermal and UVLO protection.  Short-circuit current protection with pulse count  Shutdown function.
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