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UC3875N from ON,ON Semiconductor

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UC3875N

Manufacturer: ON

Phase Shift Resonant Controller

Partnumber Manufacturer Quantity Availability
UC3875N ON 6 In Stock

Description and Introduction

Phase Shift Resonant Controller The UC3875N is a phase-shifted PWM controller manufactured by ON Semiconductor. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Supply Voltage (VCC):** 12V to 20V (operating range)  
- **Output Current (Source/Sink):** 2A (peak)  
- **Switching Frequency:** Up to 2MHz (adjustable)  
- **Duty Cycle Range:** 0% to 100% (with phase-shift control)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 20-Pin PDIP (Plastic Dual In-Line Package)  

### **Descriptions:**  
The UC3875N is a high-performance phase-shifted PWM controller designed for full-bridge and half-bridge power converter applications. It provides precise control over switching transitions to minimize switching losses and improve efficiency in high-power systems.  

### **Features:**  
- **Phase-Shift Modulation:** Enables zero-voltage switching (ZVS) for reduced switching losses.  
- **Programmable Dead-Time Control:** Adjustable delay between switches to prevent shoot-through.  
- **Soft-Start Function:** Prevents excessive inrush current during startup.  
- **Error Amplifier:** Built-in for closed-loop feedback control.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation within voltage limits.  
- **Synchronization Capability:** Allows external clock synchronization.  
- **Current Limiting:** Supports cycle-by-cycle current limiting for protection.  

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

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