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UCC28881 - 225-mA Low Quiescent Current Off-Line Converter

Datasheet Summary

Description

The UCC28881 integrates the controller and a 14-Ω, 700-V power MOSFET into one monolithic device.

The device also integrates a high-voltage current source, enabling start up and operation directly from the rectified mains voltage.

Features

  • 1 Integrated 14-Ω, 700-V Power MOSFET.
  • Integrated High-Voltage Current Source for Internal Device Bias Power.
  • Integrated Current Sense.
  • Internal Soft Start.
  • Self-Biased Switcher (Start Up and Operation Directly from Rectified Mains Voltage).
  • Supports Buck, Buck-Boost and Flyback Topologies.

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Datasheet Details

Part number UCC28881
Manufacturer Texas Instruments
File Size 661.03 KB
Description 225-mA Low Quiescent Current Off-Line Converter
Datasheet download datasheet UCC28881 Datasheet
Additional preview pages of the UCC28881 datasheet.

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Full PDF Text Transcription

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design UCC28881 SLUSC36B – NOVEMBER 2015 – REVISED JANUARY 2016 UCC28881 700-V, 225-mA Low Quiescent Current Off-Line Converter 1 Features •1 Integrated 14-Ω, 700-V Power MOSFET • Integrated High-Voltage Current Source for Internal Device Bias Power • Integrated Current Sense • Internal Soft Start • Self-Biased Switcher (Start Up and Operation Directly from Rectified Mains Voltage) • Supports Buck, Buck-Boost and Flyback Topologies • <100-μA Device Quiescent Current • Robust Current Protection During Load Short Circuit • Protection – Current Limit – Overload and Output Short Circuit – Over Temperature 2 Applications • AC-to-DC Power Supplies (Non-Isolated Buck Converter with Output Current
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