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UC3874N-1 from TI,Texas Instruments

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15.625ms

UC3874N-1

Manufacturer: TI

High Efficiency, Synchronous, Step-down (Buck) Controllers

Partnumber Manufacturer Quantity Availability
UC3874N-1,UC3874N1 TI 4580 In Stock

Description and Introduction

High Efficiency, Synchronous, Step-down (Buck) Controllers The UC3874N-1 is a Phase Shift Resonant Controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Control Method:** Phase Shift Resonant  
- **Topology:** Full Bridge  
- **Operating Frequency:** Up to 2 MHz  
- **Supply Voltage (VCC):** 12V to 20V  
- **Output Current (Source/Sink):** 2A / 4A  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** PDIP-20  

### **Descriptions:**  
The UC3874N-1 is designed for high-frequency resonant mode power conversion applications. It provides precise phase-shift control for full-bridge converters, optimizing efficiency and reducing switching losses.  

### **Features:**  
- **Programmable Output Dead Time**  
- **Soft-Start Capability**  
- **Under-Voltage Lockout (UVLO)**  
- **Error Amplifier for Feedback Control**  
- **Synchronization Input for Multiple ICs**  
- **High-Current Totem Pole Outputs**  

This controller is commonly used in power supply designs requiring high efficiency and reduced EMI.  

(Source: Texas Instruments Datasheet)

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