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UCC2894D from TI/BB,Texas Instruments

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UCC2894D

Manufacturer: TI/BB

Current Mode Active Clamp PWM Controller

Partnumber Manufacturer Quantity Availability
UCC2894D TI/BB 25 In Stock

Description and Introduction

Current Mode Active Clamp PWM Controller The UCC2894D is a high-performance phase-shifted full-bridge PWM controller manufactured by Texas Instruments (TI), formerly Burr-Brown (BB).  

### **Specifications:**  
- **Topology:** Phase-shifted full-bridge  
- **Control Method:** Voltage-mode PWM  
- **Operating Frequency Range:** Up to 1 MHz  
- **Input Voltage Range (VDD):** 10V to 17V  
- **Output Drive Current (Source/Sink):** 2A (peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Propagation Delay:** < 100 ns  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOIC-16  

### **Descriptions:**  
The UCC2894D is designed for high-efficiency power conversion applications, providing precise phase-shifted control for full-bridge converters. It integrates advanced features for soft-switching, reducing switching losses and improving efficiency in high-power designs.  

### **Features:**  
- **Programmable Dead-Time Control:** Ensures zero-voltage switching (ZVS) for reduced switching losses.  
- **Adaptive Delay Set:** Optimizes efficiency across load conditions.  
- **Synchronizable Oscillator:** Allows synchronization with external clock signals.  
- **Soft-Start Function:** Prevents inrush current during startup.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation within voltage range.  
- **Error Amplifier:** Provides feedback loop control for voltage regulation.  
- **Overcurrent Protection:** Enhances system reliability.  

This controller is commonly used in telecom, industrial, and server power supplies requiring high efficiency and power density.  

(Source: Texas Instruments Datasheet)

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