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UCC28517N from UNTTRODE

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UCC28517N

Manufacturer: UNTTRODE

ADVANCED PFC/PWM COMBINATION CONTROLLERS

Partnumber Manufacturer Quantity Availability
UCC28517N UNTTRODE 12 In Stock

Description and Introduction

ADVANCED PFC/PWM COMBINATION CONTROLLERS The UCC28517N is a Power Factor Correction (PFC) controller manufactured by Texas Instruments (formerly Unitrode).  

### **Specifications:**  
- **Topology:** Transition Mode (TM) PFC  
- **Input Voltage Range:** 85V to 265V AC  
- **Output Voltage Range:** Adjustable (typically 400V DC)  
- **Switching Frequency:** Up to 300 kHz  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package:** 8-Pin PDIP (Plastic Dual In-Line Package)  
- **Control Method:** Average Current Mode  
- **Start-Up Current:** 50 µA (typical)  
- **Supply Voltage (VCC):** 10V to 17V  

### **Descriptions and Features:**  
- Designed for high-efficiency power factor correction in AC/DC converters.  
- Implements average current mode control for improved line regulation.  
- Includes an internal start-up timer and undervoltage lockout (UVLO).  
- Features a precision reference voltage (±1%) for stable output regulation.  
- Low distortion input current shaping for compliance with IEC 61000-3-2 standards.  
- Integrated overvoltage protection (OVP) and soft-start functionality.  
- Suitable for applications like power supplies, LED drivers, and industrial systems.  

For detailed electrical characteristics, refer to the official Texas Instruments datasheet.

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