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USR1101 - 5V 12V SYNCHRONOUS BUCK PWM DC-DC CONTROLLER

Datasheet Summary

Description

The UTC USR1101 is a high efficiency synchronous buck PWM controller, with operating at fixed 300kHz frequency, Internal soft-start, frequency compensation networks and integrates all of the control, output adjustment, monitoring and protection functions into a single package.

Features

  • S.
  • Operating with 5V or 12V supply voltage.
  • Drives all low cost N-channel MOSFETs.
  • PWM control mode.
  • 300kHz fixed frequency.
  • Internal soft-start.
  • Over-current fault monitor on MOSFET, no current sense resistor required.
  • RoHS compliant and 100% lead (Pb)-free.

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Datasheet Details

Part number USR1101
Manufacturer UNISONIC TECHNOLOGIES
File Size 165.04 KB
Description 5V 12V SYNCHRONOUS BUCK PWM DC-DC CONTROLLER
Datasheet download datasheet USR1101 Datasheet
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Full PDF Text Transcription

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UNISONIC TECHNOLOGIES CO., LTD USR1101 Preliminary LINEAR INTEGRATED CIRCUIT 5V/12V SYNCHRONOUS BUCK PWM DC-DC CONTROLLER  DESCRIPTION The UTC USR1101 is a high efficiency synchronous buck PWM controller, with operating at fixed 300kHz frequency, Internal soft-start, frequency compensation networks and integrates all of the control, output adjustment, monitoring and protection functions into a single package. Adjustable over-current protection (OCP) monitors the voltage drop across the RDS(ON) of the lower MOSFET for synchronous buck PWM DC-DC controller.
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