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UC3872N from TI,Texas Instruments

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UC3872N

Manufacturer: TI

Resonant Lamp Ballast Controller

Partnumber Manufacturer Quantity Availability
UC3872N TI 1105 In Stock

Description and Introduction

Resonant Lamp Ballast Controller The UC3872N is a phase-shift resonant controller manufactured by Texas Instruments (TI). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI)  
- **Part Number:** UC3872N  
- **Type:** Phase-Shift Resonant Controller  
- **Package:** PDIP-16 (Plastic Dual In-Line Package)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Supply Voltage (VCC):** Up to 20V  
- **Output Current (Drive):** 100mA (sink/source)  
- **Switching Frequency Range:** Adjustable, typically up to 1MHz  

### **Descriptions:**  
The UC3872N is designed for high-frequency, high-efficiency power conversion applications. It provides precise phase-shift control for resonant converters, enabling zero-voltage switching (ZVS) to minimize switching losses. It is commonly used in full-bridge or half-bridge topologies for DC-DC converters, telecom power supplies, and industrial power systems.  

### **Features:**  
- **Phase-Shift Control:** Enables ZVS operation for improved efficiency.  
- **Adjustable Dead Time:** Allows optimization of switching transitions.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Error Amplifier:** Includes an onboard error amplifier for closed-loop control.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation by disabling outputs when VCC is too low.  
- **Programmable Oscillator:** Allows frequency adjustment via external components.  
- **Dual Output Drivers:** Capable of driving MOSFETs or IGBTs.  
- **Fault Protection:** Includes overcurrent and overtemperature protection.  

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

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