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UC3871DW from U (unitrode)

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UC3871DW

Manufacturer: U (unitrode)

Resonant Fluorescent Lamp Driver

Partnumber Manufacturer Quantity Availability
UC3871DW U (unitrode) 41 In Stock

Description and Introduction

Resonant Fluorescent Lamp Driver The UC3871DW is a Phase Shift Resonant Controller manufactured by Unitrode (now part of Texas Instruments). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Manufacturer:** Unitrode (now Texas Instruments)  
- **Part Number:** UC3871DW  
- **Package:** SOIC-16 (DW package)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Supply Voltage (VCC):** Up to 20V  
- **Output Current (Source/Sink):** 100mA (peak)  
- **Switching Frequency Range:** Adjustable, typically up to 1MHz  
- **Control Method:** Phase-shifted PWM (Pulse Width Modulation)  
- **Features Soft-Start and Shutdown**  

### **Descriptions:**  
The UC3871DW is a high-performance resonant-mode controller designed for phase-shifted full-bridge and half-bridge power converters. It provides precise control for zero-voltage switching (ZVS) applications, improving efficiency in power supplies.  

### **Features:**  
- **Phase-Shifted PWM Control:** Enables ZVS operation for reduced switching losses.  
- **Adjustable Dead-Time Control:** Optimizes switching transitions.  
- **Soft-Start Functionality:** Prevents inrush current during startup.  
- **Error Amplifier:** Integrated for closed-loop feedback control.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation within voltage range.  
- **Programmable Oscillator:** Allows frequency adjustment via external components.  
- **Synchronization Capability:** Supports synchronization with an external clock.  

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

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