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Reference Design
UCC28880
SLUSC05D – JULY 2014 – REVISED MAY 2016
UCC28880 700-V, 100-mA Low Quiescent Current Off-Line Converter
1 Features
•1 Integrated Power
MOSFET (Switch) Rated to 700-V Drain-to-Source
Voltage
• Integrated High-
Voltage Current Source for Internal Low-
Voltage Supply Generation
• Soft Start • Self-Biased Switcher (Start Up and Operation
Directly from Rectified Mains
Voltage) • Supports Buck, Buck-Boost and Flyback
Topologies • 100-μA Device Quiescent Current • Robust Performance with Inductor Current
Runaway Prevention • Thermal Shutdown • Protection
– Current Limit – Overload an...