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UCC2897 from TI/BB,Texas Instruments

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UCC2897

Manufacturer: TI/BB

Current Mode Active Clamp PWM Controller

Partnumber Manufacturer Quantity Availability
UCC2897 TI/BB 4 In Stock

Description and Introduction

Current Mode Active Clamp PWM Controller The UCC2897 is a phase-shifted full-bridge PWM controller manufactured by Texas Instruments (TI) and Burr-Brown (BB).  

### **Specifications:**  
- **Topology:** Phase-shifted full-bridge  
- **Control Method:** Voltage-mode PWM  
- **Frequency Range:** Up to 1 MHz  
- **Input Voltage Range:** 4.5V to 15V  
- **Output Drive Current:** ±2A (peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Soft-Start Function:** Adjustable  
- **Protection Features:** Overcurrent protection (OCP), undervoltage lockout (UVLO)  
- **Package Options:** SOIC-20, TSSOP-20  

### **Descriptions:**  
The UCC2897 is designed for high-efficiency, high-power applications, providing precise control for phase-shifted full-bridge converters. It enables zero-voltage switching (ZVS) to reduce switching losses and improve efficiency.  

### **Features:**  
- **Adaptive Delay Control:** Optimizes dead time for ZVS  
- **Programmable Frequency:** Adjustable via external components  
- **Synchronization Capability:** Can sync to an external clock  
- **Integrated Bootstrap Diode:** Simplifies high-side drive  
- **Error Amplifier:** Supports voltage feedback control  
- **Adjustable Dead Time:** Enhances efficiency in resonant transitions  

This information is sourced from TI/BB datasheets and technical documentation.

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