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FAN7687N from FAIRCHILD,Fairchild Semiconductor

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FAN7687N

Manufacturer: FAIRCHILD

SECONDARY SUPERVISORY IC

Partnumber Manufacturer Quantity Availability
FAN7687N FAIRCHILD 9000 In Stock

Description and Introduction

SECONDARY SUPERVISORY IC The FAN7687N is a Power Factor Correction (PFC) controller IC manufactured by Fairchild Semiconductor (now part of ON Semiconductor).  

### Key Specifications:  
- **Function**: High-performance PFC controller  
- **Topology**: Critical conduction mode (CrM) / Transition mode (TM)  
- **Input Voltage Range**: Supports universal AC input (typically 85V–265V)  
- **Output Voltage Regulation**: Adjustable (typically up to 400V)  
- **Switching Frequency**: Variable, depending on load and input conditions  
- **Features**:  
  - Internal start-up timer  
  - Overvoltage protection (OVP)  
  - Undervoltage lockout (UVLO)  
  - Zero current detection (ZCD)  
  - Soft-start function  
- **Package**: 8-pin DIP (Dual In-line Package) or SOIC (Small Outline IC)  
- **Applications**: AC-DC power supplies, LED drivers, and other PFC circuits  

For exact electrical characteristics and detailed application notes, refer to the official Fairchild/ON Semiconductor datasheet.

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