SG6901A Description
The highly integrated SG6901A is designed for power supplies with boost PFC and flyback PWM. It requires Product Specification SG6901A very few external ponents to achieve versatile protections. It is available in a 20-pin SOP package.
SG6901A Key Features
- Interleaved PFC/PWM switching
- Low start-up and operating current
- Innovative switching charge multiplier-divider
- Multi-vector control for improved PFC output
- 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