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UCC2897APWR from TI,Texas Instruments

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7.813ms

UCC2897APWR

Manufacturer: TI

Advanced Current-Mode Active Clamp PWM Controller 20-TSSOP -40 to 125

Partnumber Manufacturer Quantity Availability
UCC2897APWR TI 340 In Stock

Description and Introduction

Advanced Current-Mode Active Clamp PWM Controller 20-TSSOP -40 to 125 The UCC2897APWR is a high-performance phase-shifted full-bridge controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Topology:** Phase-shifted full-bridge (PSFB)  
- **Control Method:** Voltage mode  
- **Operating Frequency Range:** Up to 1 MHz  
- **Input Voltage Range:** 8.5V to 18V (VDD)  
- **Output Voltage:** Adjustable  
- **Duty Cycle Range:** 0% to 100%  
- **Switching Frequency:** Programmable via external resistor  
- **Protection Features:**  
  - Overcurrent protection (OCP)  
  - Undervoltage lockout (UVLO)  
  - Soft-start capability  
- **Package:** TSSOP-20 (PowerPAD™)  
- **Operating Temperature Range:** -40°C to +125°C  

### **Descriptions:**  
The UCC2897APWR is designed for high-power applications, providing precise control for phase-shifted full-bridge converters. It enables zero-voltage switching (ZVS) to improve efficiency and reduce switching losses.  

### **Features:**  
- **Advanced Phase-Shift Control:** Optimizes efficiency in high-power applications.  
- **Programmable Dead Time:** Enhances ZVS performance.  
- **Synchronizable Clock:** Allows synchronization with external signals.  
- **Integrated Error Amplifier:** Simplifies feedback loop design.  
- **Adjustable Soft-Start:** Prevents inrush current during startup.  
- **Low-Power Standby Mode:** Reduces power consumption when inactive.  

This controller is commonly used in telecom, industrial, and server power supplies.

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