ą
D Controls Boost Preregulator to Near-Unity
Power Factor
D World Wide Line Operation D Over-
Voltage Protection D Accurate Power Limiting D Average Current Mode Control D Improved Noise Immunity D Improved Feed-Forward Line Regulation D Leading Edge Modulation D 150-µA Typical Start-Up Current D Low-Power Bi
CMOS Operation D 10.
8-V to 17-V Operation D Programmable Output
Voltage (Tracking
Boost Topology)
UCC2819, UCC3819 PROGRAMMABLE OUTPUT POWER FACTOR PREREGULATOR
SLUS482B - APRIL 2001 − REVISED DECEMBER 2004
D, DW, N, and PW PACKAGES (TOP VIEW)
GND PKLMT CAOUT
CAI MOUT
IAC VAOUT
VFF
1 2 3 4 5 6 7 8
16 DRVOUT 15 VCC 14 CT 13 VAI 12 RT 11 VSENSE 10 OVP/EN 9 VREF
description
The UCC281...