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UC3856Q from TI,Texas Instruments

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UC3856Q

Manufacturer: TI

Improved Current Mode PWM Controller

Partnumber Manufacturer Quantity Availability
UC3856Q TI 954 In Stock

Description and Introduction

Improved Current Mode PWM Controller The UC3856Q is a power factor correction (PFC) controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Input Voltage Range:** 10V to 17V  
- **Operating Frequency:** Up to 250 kHz  
- **Output Drive Current:** 1.5A (peak)  
- **Supply Current:** 5mA (typical)  
- **Package Type:** QSOP-16  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The UC3856Q is designed for high-performance power factor correction applications. It provides average current-mode control to shape the input current waveform, ensuring compliance with power quality standards.  

### **Features:**  
- **Average Current Mode Control** for precise PFC  
- **Programmable Oscillator Frequency**  
- **Soft-Start Function** for controlled startup  
- **Overvoltage Protection (OVP)**  
- **Undervoltage Lockout (UVLO)**  
- **Low Distortion & High Efficiency**  
- **Single-Pin Error Amplifier & Multiplier Output**  

This IC is commonly used in AC-DC power supplies, industrial systems, and other applications requiring power factor correction.

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