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UC3578 - Buck Pulse Width Modulator Stepdown Voltage Regulator

General 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.

Key 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.

📥 Download Datasheet

Datasheet Details

Part number UC3578
Manufacturer Unitrode
File Size 566.90 KB
Description Buck Pulse Width Modulator Stepdown Voltage Regulator
Datasheet download datasheet UC3578 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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.