UCC28880 Overview
The UCC28880 integrates the controller and a 700-V power MOSFET into one monolithic device. The device also integrates a high-voltage current source, enabling start up and operation directly from the rectified mains voltage. The low quiescent current of the device enables excellent efficiency.
UCC28880 Key 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
- Supports Buck, Buck-Boost and Flyback
- <100-μA Device Quiescent Current
- Robust Performance with Inductor Current
- Thermal Shutdown
- Protection
- Current Limit
UCC28880 Applications
- AC-to-DC Power Supplies (Output Current Up to 100 mA for CCM; 70 mA for DCM)