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UCC28704 - Flyback Controller

Description

The UCC28704 Off-line flyback controller is a highly integrated, 6-pin primary-side regulated PWM controller for designing high efficiency AC-to-DC power supplies with low standby power consumption to comply with global efficiency standards.

Features

  • 1 Efficiency Performance Exceeds DoE Level VI and EU CoC V5 Tier-2 External Power Supply Standards.
  • Primary-Side Regulation Eliminates Opto-Coupler and Secondary Feedback Components.
  • Compatible with Synchronous Rectifier.
  • Enables.

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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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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design UCC28704 SLUSCA8A – FEBRUARY 2016 – REVISED FEBRUARY 2016 UCC28704 High-Efficiency Off-Line CV and CC Flyback Controller with Primary-Side Regulation (PSR) 1 Features •1 Efficiency Performance Exceeds DoE Level VI and EU CoC V5 Tier-2 External Power Supply Standards • Primary-Side Regulation Eliminates Opto-Coupler and Secondary Feedback Components • Compatible with Synchronous Rectifier • Enables <30-mW No-Load Input Power • ±5% Output Voltage (CV) and Current (CC) Regulation • Enhanced Dynamic Load Response • Constant Current Output Under-Voltage Protection (CCUV) with Auto-Restart Response • Cable Compensation (300 mV at 5-V Full Load) • 85-kHz Maximum Switching Frequency • DCM V