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Evaluation Module for UCC28711 PWM Controller with Primary Side Regulation


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Product Overview

The UCC28711EVM-160 evaluation module (EVM) helps designers evaluate the performance of UCC28711 constant voltage, constant current PWM with primary side regulation. The UCC28710 flyback power supply controller provides isolated output constant voltage (CV) and constant current (CC) output regulation without the use of an optical coupler. The device process information from the primary power switch and an auxiliary flyback winding for precise control of output voltage and current. This 5W evaluation module is used for evaluating an off line adapter for USB applications. It converts a 90V to 265V RMS input voltage down to 5Vdc with a 1A current limit for USB adapter applications. It is intended for evaluation purposes and is not intended to be an end product.
  • Less than 10mW no load power
  • Primary side regulation (PSR) eliminates optocoupler
  • Voltage and current regulation of +/-5%
  • 100KHz max switching frequency enables high power density charger designs
  • Quasi resonant valley switching operation for highest overall efficiency
  • Wide VDD range (35V) allows small bias capacitor
  • NTC resistor interface
  • Clamped gate drive output for MOSFET
  • Frequency jitter to ease EMI compliance


Power Management, Consumer Electronics, Portable Devices


While the EVM is energized, never touch the EVM or its electrical circuits as they could be at high voltages capable of causing electrical shock hazard.


ESD sensitive device, take proper precaution while handling the device.

Product Information

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CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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