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FAN7544 from FAIRCHIL,Fairchild Semiconductor

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15.625ms

FAN7544

Manufacturer: FAIRCHIL

Electronic Ballast Controller

Partnumber Manufacturer Quantity Availability
FAN7544 FAIRCHIL 200 In Stock

Description and Introduction

Electronic Ballast Controller The FAN7544 is a Power Factor Correction (PFC) controller IC manufactured by Fairchild Semiconductor (now part of ON Semiconductor). Here are its key specifications:

1. **Function**: High-performance critical conduction mode (CRM) PFC controller.  
2. **Input Voltage Range**: Designed for universal AC input (85V–265V).  
3. **Output Voltage**: Typically regulates to 400V DC.  
4. **Switching Frequency**: Variable, depending on load and input conditions (critical conduction mode).  
5. **Features**:  
   - Zero-current detection (ZCD) for CRM operation.  
   - Internal start-up timer.  
   - Overvoltage protection (OVP).  
   - Undervoltage lockout (UVLO).  
   - Low standby power consumption.  
6. **Package**: Typically available in an 8-pin DIP or SOIC.  
7. **Applications**: Used in AC-DC power supplies, LED drivers, and other PFC circuits.  

For exact electrical characteristics (e.g., voltage thresholds, timing values), refer to the official datasheet.

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