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UC3872DWTR from UNITRODE

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UC3872DWTR

Manufacturer: UNITRODE

Resonant Lamp Ballast Controller

Partnumber Manufacturer Quantity Availability
UC3872DWTR UNITRODE 42 In Stock

Description and Introduction

Resonant Lamp Ballast Controller The UC3872DWTR is a Phase-Shifted Full-Bridge PWM Controller manufactured by UNITRODE (now part of Texas Instruments). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Output Type:** PWM (Pulse Width Modulation)  
- **Topology:** Phase-Shifted Full-Bridge  
- **Frequency Range:** Up to 1MHz  
- **Operating Voltage:** 10V to 20V  
- **Duty Cycle Range:** Adjustable  
- **Output Drive Current:** 2A (peak)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-20  

### **Descriptions:**  
The UC3872DWTR is designed for high-efficiency power conversion applications, particularly in phase-shifted full-bridge topologies. It provides precise PWM control with adjustable dead-time and soft-start features, making it suitable for high-power DC-DC converters, telecom power supplies, and industrial applications.

### **Features:**  
- **Phase-Shifted Control:** Reduces switching losses in full-bridge converters.  
- **Programmable Dead Time:** Minimizes shoot-through current in power switches.  
- **Soft-Start Function:** Prevents inrush current during startup.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation within voltage limits.  
- **Error Amplifier:** Allows closed-loop feedback control.  
- **Synchronization Capability:** Supports external clock synchronization.  
- **High-Current Output Drivers:** Capable of driving MOSFETs or IGBTs directly.  

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

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