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UCC28521DW from TI/BB,Texas Instruments

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UCC28521DW

Manufacturer: TI/BB

ADVANCED PFC/PWW COMBINATION CONTROLLER WITH TRAILING-EDGE/TRAILING-EDGE MODULATION

Partnumber Manufacturer Quantity Availability
UCC28521DW TI/BB 75 In Stock

Description and Introduction

ADVANCED PFC/PWW COMBINATION CONTROLLER WITH TRAILING-EDGE/TRAILING-EDGE MODULATION The UCC28521DW is a Power Factor Correction (PFC) controller manufactured by Texas Instruments (TI)/Burr-Brown (BB).  

### **Specifications:**  
- **Topology:** Transition Mode (TM) PFC  
- **Input Voltage Range:** 85V to 265V AC  
- **Output Voltage Range:** Up to 400V DC  
- **Switching Frequency:** Variable (transition mode operation)  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package:** SOIC-16 (DW)  
- **Control Method:** Average Current Mode Control  
- **Startup Current:** Low (typically 50µA)  
- **Supply Voltage (VCC):** 10V to 17V  
- **Peak Gate Drive Current:** ±1.5A  
- **Protection Features:**  
  - Overvoltage Protection (OVP)  
  - Undervoltage Lockout (UVLO)  
  - Open-Loop Protection  

### **Descriptions and Features:**  
- Designed for high-efficiency, low-cost power factor correction in AC/DC power supplies.  
- Uses transition mode (boundary conduction mode) operation for reduced switching losses.  
- Includes an integrated high-current gate driver for direct MOSFET control.  
- Features average current mode control for low distortion and high power factor (>0.99).  
- Includes soft-start functionality to reduce inrush current.  
- Suitable for applications such as LED drivers, industrial power supplies, and consumer electronics.  

This information is based solely on the manufacturer's datasheet and specifications.

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