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UCC28630, UCC28631 UCC28632, UCC2...
Product Folder
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Technical Documents
Tools & Software
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UCC28630, UCC28631 UCC28632, UCC28633, UCC28634
SLUSBW3D – MARCH 2014 – REVISED DECEMBER 2017
UCC2863x, High-Power Flyback Controller with Primary-Side Regulation and Peak-Power Mode
1 Features
1 High-Power, Primary-Side CV/CC Regulation Continuous Conduction Mode (CCM) and
Discontinuous Conduction Mode (DCM) Operation Built-In 700-V Start-Up Current Source Active X-Capacitor Discharge (UCC28630 and
UCC28633) Adjustable Constant-Current (CC) Mode Limiting
(except for UCC28630) High Gate Drive Current 1-A Source and 2-A Sink Low Power Modes for <30-mW System Standby Best-In-Class Light Load (10%) Efficiency >85% PSR design with no opto-coupler - can meet high
CM isolation & surge requirements VDD OVP for independent indirect output OV
under open-feedback fault conditions Peak-Power Mode for Transient Overload Shutdown Pin Interface for External NTC Protections: Over
voltage, Overcurrent, Over-
Temperature, Overload Timer (UCC28630), AC Line UV, Brownout and Pin Protections Frequency Dither to Ease EMI Compliance (except the UCC28632) Create a Custom Design Using the UCC2863x With the WEBENCH® Power Designer
2 Applications
AC-DC Adapters for Notebook, Game Consoles, Printers
Open Frame SMPS for Industrial, Printer, White Goods, LCD Monitors
Energy Efficient AC-DC Supplies for Nominal Power 10-W to 65-W, (with up to 200% transient peak power) Simplified Schem...