Datasheet Details
| Part number | SFL320 |
|---|---|
| Manufacturer | SiFirst |
| File Size | 434.63 KB |
| Description | High Power Factor Flyback PWM Controller |
| Datasheet |
 SFL320 Datasheet
|
|
|
General Description
SFL320 is a high power factor flyback PWM controller special for LED lighting applications.
The IC adopts transition mode (TM) operation for high efficiency and low EMI.
Key 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.
