Datasheet Details
| Part number | SG6901A |
|---|---|
| Manufacturer | Fairchild (now onsemi) |
| File Size | 710.04 KB |
| Description | CCM PFC/Flyback PWM Combination Controller |
| Datasheet |
 SG6901A Datasheet
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General Description
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.
It is available in a 20-pin SOP package.
Key Features
- 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.
- Brownout Prote.
