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UCC28251 - PWM Controller

Datasheet Summary

Description

The UCC28251 PWM controller is designed for high power density applications that may have stringent prebiased startup requirements.

Features

  • 1 Prebiased Startup.
  • Synchronous Rectifier Control Outputs with Programmable Delays (Including Zero Delay Support).
  • Voltage Mode Control with Input Voltage FeedForward or Current Mode Control.
  • Primary or Secondary-Side Control.
  • 3.3-V, 1.5% Accurate Reference Output.
  • Lower Minimum Operating Frequency.
  • 1% Accurate Cycle-by-Cycle Over Current Protection with Matched Duty Cycle Outputs.
  • Programmable Soft-Start and Hiccup Restart.

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Datasheet preview – UCC28251

Datasheet Details

Part number UCC28251
Manufacturer Texas Instruments
File Size 1.76 MB
Description PWM Controller
Datasheet download datasheet UCC28251 Datasheet
Additional preview pages of the UCC28251 datasheet.

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Full PDF Text Transcription

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community UCC28251 SLUSBD8E – FEBRUARY 2013 – REVISED DECEMBER 2014 UCC28251 Advanced PWM Controller With Prebias Operation 1 Features •1 Prebiased Startup • Synchronous Rectifier Control Outputs with Programmable Delays (Including Zero Delay Support) • Voltage Mode Control with Input Voltage FeedForward or Current Mode Control • Primary or Secondary-Side Control • 3.3-V, 1.
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