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UCC28811DR from TI,Texas Instruments

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UCC28811DR

Manufacturer: TI

LED Lighting Power Controller 8-SOIC -40 to 105

Partnumber Manufacturer Quantity Availability
UCC28811DR TI 40 In Stock

Description and Introduction

LED Lighting Power Controller 8-SOIC -40 to 105 The UCC28811DR is a high-voltage power controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Input Voltage Range:** 7V to 32V  
- **Switching Frequency:** 132 kHz (typical)  
- **Output Power:** Up to 25W (depending on configuration)  
- **Operating Temperature Range:** -40°C to 125°C  
- **Package:** SOIC-8  
- **Control Method:** Fixed-frequency PWM (Pulse Width Modulation)  
- **Features Overvoltage Protection (OVP) and Thermal Shutdown**  

### **Descriptions:**  
The UCC28811DR is a high-voltage power controller designed for offline and DC-DC power supplies. It integrates a high-voltage startup regulator, reducing the need for external components. It is optimized for flyback and buck-boost converter topologies.  

### **Features:**  
- **Integrated High-Voltage Startup Regulator** (eliminates external bias supply)  
- **Fixed-Frequency Operation** (improves EMI performance)  
- **Cycle-by-Cycle Current Limiting** (enhances system reliability)  
- **Low Operating Current** (improves efficiency at light loads)  
- **Programmable Soft-Start** (reduces inrush current)  
- **Overvoltage Protection (OVP) and Thermal Shutdown** (protects against fault conditions)  

This device is commonly used in power adapters, industrial power supplies, and LED lighting applications.  

Would you like additional details on any specific aspect?

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