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U8021 - VOLTAGE MODE PWM CONTROLLER

Datasheet Summary

Description

The UTC U8021 provides the control and protection

Features

  • ES.
  • 4V~25V power rails.
  • Internal LDO.
  • 1.5A gate drive current.
  • Adaptive non-overlapping gate drives provide shoot-through protection for MOSFETs.
  • Programmable output voltages.
  • Internal soft start.
  • Under voltage lockout.
  • Short circuit protection.

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Datasheet Details

Part number U8021
Manufacturer UTC
File Size 200.38 KB
Description VOLTAGE MODE PWM CONTROLLER
Datasheet download datasheet U8021 Datasheet
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    UNISONIC TECHNOLOGIES CO., LTD U8021 Preliminary CMOS IC VOLTAGE MODE PWM CONTROLLER WITH LINEAR POWER REGULATOR  DESCRIPTION The UTC U8021 provides the control and protection features necessary for a synchronous buck converter and a linear regulator in high performance graphic card applications. The UTC U8021 is designed to directly drive the high and low MOSFETs of the buck converter. It allows the converter to operate with 4V~25V power rail and as low as 0.5V output. The UTC U8021 is capable to drive a N-type MOSFET in a linear regulator with as low as 0.5V output. The UTC U8021 features soft-start, UVLO, and OCP. The UTC U8021 monitors the output current by using the Rdson of the low MOSFET in the buck converter that eliminates the need for a current sensing resistor.
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