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UC3853 from DIP

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UC3853

Manufacturer: DIP

High Power-Factor Preregulator

Partnumber Manufacturer Quantity Availability
UC3853 DIP 83 In Stock

Description and Introduction

High Power-Factor Preregulator The UC3853 is a power factor correction (PFC) controller manufactured by Texas Instruments. Below are the specifications, descriptions, and features for the UC3853 in a DIP (Dual In-line Package) format:

### **Specifications:**  
- **Package Type:** DIP (Dual In-line Package)  
- **Pin Count:** 16  
- **Operating Temperature Range:** -40°C to +85°C  
- **Input Voltage Range:** Up to 18V  
- **Output Drive Current:** 1.5A peak  
- **Switching Frequency:** Programmable up to 500kHz  
- **Control Method:** Average current mode control  

### **Descriptions:**  
The UC3853 is a high-performance PFC controller designed for active power factor correction in AC/DC power supplies. It operates in continuous conduction mode (CCM) and provides precise current shaping to achieve near-unity power factor. The DIP package is suitable for through-hole PCB mounting.  

### **Features:**  
- **Average Current Mode Control:** Ensures low distortion input current.  
- **Programmable Oscillator:** Allows flexible switching frequency adjustment.  
- **Overvoltage Protection (OVP):** Safeguards against output overvoltage.  
- **Undervoltage Lockout (UVLO):** Ensures proper startup and shutdown.  
- **Peak Current Limiting:** Protects against excessive current.  
- **Low Startup Current:** Reduces power consumption during startup.  
- **Multiplier/Divider Circuit:** Optimizes power factor correction.  

This information is based on the manufacturer's datasheet and technical documentation.

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