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UC2578 - Buck Pulse Width Modulator Stepdown Voltage Regulator

Datasheet Summary

Description

The UC3578 is a PWM controller with an integrated high side floating gate driver.

It is used in buck step down converters and regulates a positive output voltage.

Features

  • Provides Simple Single Inductor Buck PWM Step-Down Voltage Regulation.
  • Drives External High Side NMOS Switch.
  • 14V to 72V Input Voltage Operating Range.
  • Contains 100kHz Internal Oscillator, 2V Reference and UVLO.
  • Soft Start on Power Up.
  • Overcurrent Shutdown Followed by Soft Start.

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Datasheet preview – UC2578

Datasheet Details

Part number UC2578
Manufacturer Unitrode
File Size 566.90 KB
Description Buck Pulse Width Modulator Stepdown Voltage Regulator
Datasheet download datasheet UC2578 Datasheet
Additional preview pages of the UC2578 datasheet.

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Full PDF Text Transcription

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Not Recommended for New Designs application INFO available Buck Pulse Width Modulator Stepdown Voltage Regulator UC2578 UC3578 FEATURES • Provides Simple Single Inductor Buck PWM Step-Down Voltage Regulation • Drives External High Side NMOS Switch • 14V to 72V Input Voltage Operating Range • Contains 100kHz Internal Oscillator, 2V Reference and UVLO • Soft Start on Power Up • Overcurrent Shutdown Followed by Soft Start DESCRIPTION The UC3578 is a PWM controller with an integrated high side floating gate driver. It is used in buck step down converters and regulates a positive output voltage. Intended to be used in a distributed power system, the IC allows operation from 14V to 72V input voltage which range includes the prevalent telecomm bus voltages.
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