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UC3855BDWTR from TI,Texas Instruments

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UC3855BDWTR

Manufacturer: TI

High Performance Power Factor Preregulator

Partnumber Manufacturer Quantity Availability
UC3855BDWTR TI 1534 In Stock

Description and Introduction

High Performance Power Factor Preregulator The UC3855BDWTR is a power factor correction (PFC) controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Input Voltage Range:** 10V to 17V  
- **Operating Frequency Range:** Up to 250kHz  
- **Output Drive Current:** 1.5A (peak)  
- **Supply Current (Typical):** 6mA  
- **Package:** SOIC-16 (DW)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Control Method:** Average Current Mode  

### **Descriptions:**  
The UC3855BDWTR is designed for high-power PFC applications, providing near-unity power factor and low harmonic distortion. It features an average current mode control scheme for improved performance in AC-DC power supplies.  

### **Features:**  
- **Power Factor Correction (PFC) Controller**  
- **Programmable Switching Frequency**  
- **Peak Current Limiting**  
- **Soft-Start Function**  
- **Undervoltage Lockout (UVLO)**  
- **Low Distortion, High Power Factor Operation**  
- **Compatible with Boost, Flyback, and Other Topologies**  

This IC is commonly used in power supplies, industrial systems, and lighting applications requiring efficient power factor correction.

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