Datasheet Summary
UCC28510, UCC28511, UCC28512, UCC28513, UCC28514, UCC28515, UCC28516, UCC28517
SLUS517C
- DECEMBER 2002
- REVISED SEPTEMBER 2005
ADVANCED PFC/PWM BINATION CONTROLLERS
Features
D Provides Control of PFC and PWM Power
Stages In One Device
D Leading-Edge PFC, Trailing-Edge PWM
Modulation for Reduced Ripple
D Built-In Sequencing of PFC and PWM
Turn-On
D 2-A Source and 3-A Sink Gate Drive for Both
PFC and PWM Stages
D Typical 16-ns Rise Time and 7-ns Fall Time into 1-nF Loads
PFC Features
- Average-Current-Mode Control for Continuous Conduction Mode Operation
- Highly-Linear Multiplier for Near-Unity Power Factor
- Input Voltage Feedforward Implementation
- Improved Load Transient Response
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