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UCC2817A - BiCMOS Power Factor Preregulator

Datasheet Summary

Description

The UCC3817A and the UCC3818A family provides all the functions necessary for active power factor corrected preregulators.

The controller achieves near unity power factor by shaping the ac input line current waveform to correspond to that of the ac input line voltage.

Features

  • 1 Controls Boost Preregulator to Near-Unity Power Factor.
  • Limits Line Distortion.
  • World Wide Line Operation.
  • Overvoltage Protection.
  • Accurate Power Limiting.
  • Average Current Mode Control.
  • Improved Noise Immunity.
  • Improved Feed-Forward Line Regulation.
  • Leading Edge Modulation.
  • 150-µA Typical Start-Up Current.
  • Low-Power BiCMOS Operation.
  • 12-V to 17-V Operation.
  • Frequency Range of 6.

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Datasheet preview – UCC2817A

Datasheet Details

Part number UCC2817A
Manufacturer Texas Instruments
File Size 1.18 MB
Description BiCMOS Power Factor Preregulator
Datasheet download datasheet UCC2817A Datasheet
Additional preview pages of the UCC2817A datasheet.

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Full PDF Text Transcription

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community UCC2817A, UCC2818A, UCC3817A, UCC3818A SLUS577D – NOVEMBER 2011 – REVISED AUGUST 2016 UCCx81xA BiCMOS Power Factor Preregulator 1 Features •1 Controls Boost Preregulator to Near-Unity Power Factor • Limits Line Distortion • World Wide Line Operation • Overvoltage Protection • Accurate Power Limiting • Average Current Mode Control • Improved Noise Immunity • Improved Feed-Forward Line Regulation • Leading Edge Modulation • 150-µA Typical Start-Up Current • Low-Power BiCMOS Operation • 12-V to 17-V Operation • Frequency Range of 6 kHz to 220 kHz 2 Applications • PC Power • Consumer Electronics • Lighting • Industrial Power Supplies • IEC6100-3-2 Compliant Supplies Less Than 300 W 3 Description The UCC
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