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UC3852D from UC

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UC3852D

Manufacturer: UC

High Power-Factor Preregulator

Partnumber Manufacturer Quantity Availability
UC3852D UC 30 In Stock

Description and Introduction

High Power-Factor Preregulator The UC3852D is a high-performance power factor correction (PFC) controller manufactured by Texas Instruments.  

### **Specifications:**  
- **Input Voltage Range:** 9V to 12V (operating)  
- **Output Drive Current:** ±1.5A (peak)  
- **Switching Frequency:** Up to 500 kHz  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** SOIC-8 (D)  

### **Descriptions:**  
- The UC3852D is designed for active power factor correction in AC/DC power supplies.  
- It features a fixed-frequency, average current-mode control scheme.  
- Includes an integrated multiplier, voltage error amplifier, and current amplifier for precise regulation.  
- Optimized for boost converter topologies.  

### **Features:**  
- **Average Current Mode Control:** Ensures low harmonic distortion.  
- **Precision Reference Voltage:** 7.5V with ±1% accuracy.  
- **Undervoltage Lockout (UVLO):** Ensures proper startup and shutdown.  
- **Soft-Start Function:** Reduces inrush current.  
- **Overvoltage Protection (OVP):** Safeguards against output overvoltage.  
- **Zero-Current Detection:** Improves efficiency at light loads.  

This information is based on the manufacturer's datasheet for the UC3852D.

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