UCC28742 - High-Efficiency Flyback Controller

Product Overview

Texas Instruments

Part number	UCC28742
Manufacturer	Texas Instruments
File Size	1.39 MB
Description	High-Efficiency Flyback Controller
Datasheet	UCC28742 Datasheet
Additional preview pages of the UCC28742 datasheet.

The UCC28742 off-line flyback controller is a highly integrated, 6-pin secondary-side regulated PWM controller for efficient AC-to-DC power supplies.

1 Opto-Coupled Feedback Enables up to 1% Regulation.
Accurate Current Limit with Overload Timeout Protection and Delayed Hiccup Response.
Resonant-Ring Valley-Switching Operation for Highest Overall Efficiency.
80-kHz Maximum Switching Frequency.
Frequency Dithering to Ease EMI Compliance.
Clamped Gate-Drive Output for MOSFET.
Ultra-Low Start-Up Current and Large VDD Hysteresis.
High Value Start-Up Resistor.
Low Bia.

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Published: Apr 25, 2020 |