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Reference Design
UCC28710, UCC28711, UCC28712, UCC28713
SLUSB86C – NOVEMBER 2012 – REVISED JUNE 2017
UCC2871x Constant-
Voltage, Constant-Current Controller With Primary-Side Regulation
1 Features
•1 10-mW No-Load Power • Primary-Side Regulation (PSR) Eliminates Opto-
Coupler • ±5%
Voltage and Current Regulation Across Line
and Load • 700-V Start-Up Switch • 100-kHz Maximum Switching Frequency Enables
High-Power Density Charger Designs • Resonant Valley-Switching Operation for Highest
Overall Efficiency • Frequency Jitter to Ease EMI Compliance • Wide VDD Range Allows Small Bias Capacitor • Clamped Gate...