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UCC2819APWR from TI,Texas Instruments

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UCC2819APWR

Manufacturer: TI

BiCMOS Power Factor Preregulator

Partnumber Manufacturer Quantity Availability
UCC2819APWR TI 61 In Stock

Description and Introduction

BiCMOS Power Factor Preregulator The UCC2819APWR is a high-performance, BiCMOS power factor correction (PFC) controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 12V  
- **Operating Frequency:** Up to 250 kHz  
- **Output Drive Current:** ±1.5A (peak)  
- **Supply Current (Typical):** 4.5 mA  
- **Soft-Start Time:** Adjustable  
- **Error Amplifier Bandwidth:** 5 MHz  
- **Package Type:** TSSOP-16  
- **Operating Temperature Range:** -40°C to +105°C  

### **Descriptions:**  
The UCC2819APWR is designed for power factor correction in AC/DC power supplies. It features average current-mode control, ensuring low harmonic distortion and high power factor. The device includes a multiplier/divider circuit for input current shaping and a transconductance error amplifier for voltage loop compensation.  

### **Features:**  
- **Average Current-Mode Control** for precise PFC  
- **Low Distortion & High Power Factor**  
- **Programmable Oscillator Frequency**  
- **Undervoltage Lockout (UVLO)**  
- **Overvoltage Protection (OVP)**  
- **Soft-Start Function**  
- **Peak Current Limiting**  
- **BiCMOS Technology for Low Power Consumption**  

This device is commonly used in switch-mode power supplies (SMPS), industrial power systems, and consumer electronics requiring power factor correction.

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