Part SG6901A
Description CCM PFC/Flyback PWM Combination Controller
Manufacturer Fairchild Semiconductor
Size 710.04 KB
Fairchild Semiconductor
SG6901A

Overview

The highly integrated SG6901A is designed for power supplies with boost PFC and flyback PWM. It requires very few external components to achieve versatile protections.

  • Interleaved PFC/PWM Switching
  • Low Startup 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 Protections
  • PFC and PWM Feedback Open-Loop Protection
  • Cycle-by-Cycle Current Limiting for PFC/PWM
  • Slope Compensation for PWM
  • H/L Line Over-Power Compensation for PWM