UCC38502
UCC38502 is BiCMOS PFC/PWM Combination Controller manufactured by Texas Instruments.
- Part of the UCC38500 comparator family.
- Part of the UCC38500 comparator family.
UCC28500, UCC28501, UCC28502, UCC28503 UCC38500, UCC38501, UCC38502, UCC38503
SLUS419C
- AUGUST 1999
- REVISED NOVEMBER 2001
BiCMOS PFC/PWM BINATION CONTROLLER
Features
D bines PFC and Downstream Converter
Controls
D Controls Boost Preregulator to Near-Unity
Power Factor
D Accurate Power Limiting D Improved Feedforward Line Regulation D Peak Current-Mode Control in Second Stage D Programmable Oscillator D Leading-Edge/Trailing-Edge Modulation for
Reduced Output Ripple
D Low Start-up Supply Current D Synchronized Second Stage Start-Up, with
Programmable Soft-start
D Programmable Second Stage Shutdown
DESCRIPTION
The UCC2850x family provides all of the control functions necessary for...
