SFL320
SFL320 is High Power Factor Flyback PWM Controller manufactured by SiFirst.
High Power Factor Flyback PWM Controller
Features
- Built-in Soft Start
- Very Low Startup Current
- Under Voltage Lockout with 7.7V Hysteresis
- VCC Over Voltage Protection (OVP)
- Clear External EA Feedback Network before
Power On
- Transition Mode (TM) Operation
- Highly Linear Analog Multiplier
- Proprietary “Frequency Adjusting” for Higher
PF and Low THD
- 3.3us Min. OFF Time
- 270KHz Max Frequency Clamp
- Trimmed 1.5% Internal Voltage Reference
- Restart Timer for Stand-alone Applications
- Cycle-by-Cycle Current Limiting
- Built-in Leading Edge Blanking (LEB)
- Audio Noise Free Operation
- 10V to 32V Wide Range of VCC Voltage
- 800mA Drive Capability
APPLICATIONS
- LED...
