SG6901A
SG6901A is PFC / Flyback PWM Controller manufactured by System General.
PFC / Flyback PWM Controller
Features
OVERVIEW
- Interleaved PFC/PWM switching
- Low start-up and operating current
- Innovative switching charge multiplier-divider
- Multi-vector control for improved PFC output transient response
- Average-current-mode control for PFC
- Programmable two-level PFC output voltage
- PFC over-voltage and under-voltage protections
- PFC and PWM feedback open-loop protection
- Cycle-by-cycle current limiting for PFC/PWM
- Slope pensation for PWM
- Constant power limit for PWM
- Brownout protection
- Over-temperature protection (OTP)
APPLICATIONS
- Switching Power Supplies with Active PFC and Standby Power
- High-Power Adaptors
DESCRIPTION
The highly...
