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UC3854DWTRG4 from TI,Texas Instruments

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UC3854DWTRG4

Manufacturer: TI

High Power Factor Preregulator

Partnumber Manufacturer Quantity Availability
UC3854DWTRG4 TI 2691 In Stock

Description and Introduction

High Power Factor Preregulator The UC3854DWTRG4 is a power factor correction (PFC) controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Input Voltage Range:** 15V to 35V  
- **Operating Frequency:** Up to 250kHz  
- **Output Drive Current:** ±1.5A (peak)  
- **Power Factor Correction:** Near unity  
- **Package:** SOIC-16 (DW)  
- **Operating Temperature Range:** -40°C to 85°C  
- **Control Method:** Average current mode  

### **Descriptions:**  
The UC3854DWTRG4 is designed for high-performance power factor correction in AC/DC power supplies. It provides precise control to maintain a near-unity power factor, reducing harmonic distortion and improving efficiency.  

### **Features:**  
- **Average Current Mode Control:** Ensures low distortion input current.  
- **Programmable Oscillator:** Adjustable switching frequency.  
- **Overvoltage Protection (OVP):** Safeguards against output overvoltage.  
- **Soft-Start Function:** Reduces inrush current.  
- **Low Startup Current:** Minimizes power consumption during startup.  
- **Wide Supply Voltage Range:** Supports various applications.  

This IC is commonly used in power supplies, industrial equipment, and other applications requiring high-efficiency power factor correction.

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