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UCC28528DWRG4 from TI,Texas Instruments

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UCC28528DWRG4

Manufacturer: TI

Advanced PWM/PFC Combination Controller with TEM/TEM Modulation 20-SOIC -40 to 105

Partnumber Manufacturer Quantity Availability
UCC28528DWRG4 TI 2530 In Stock

Description and Introduction

Advanced PWM/PFC Combination Controller with TEM/TEM Modulation 20-SOIC -40 to 105 The UCC28528DWRG4 is a PFC/PWM Combo Controller from Texas Instruments (TI).  

### **Specifications:**  
- **Topology:** Boost PFC + PWM (Forward or Flyback)  
- **Control Method:** Average Current Mode for PFC, Voltage Mode for PWM  
- **Operating Frequency:** Up to 500 kHz (adjustable)  
- **Input Voltage Range (PFC):** 85V to 265V AC  
- **Output Voltage (PFC):** Typically 400V DC  
- **Supply Voltage (VCC):** 10V to 20V  
- **Start-Up Current:** < 100 µA  
- **Package:** SOIC-16 (DWR)  
- **Operating Temperature Range:** -40°C to +105°C  

### **Descriptions:**  
The UCC28528DWRG4 integrates a Power Factor Correction (PFC) controller and a PWM controller in a single chip, designed for high-efficiency power supplies. It features soft-start, overvoltage protection (OVP), and cycle-by-cycle current limiting.  

### **Features:**  
- **PFC Section:**  
  - Average current mode control  
  - Programmable switching frequency  
  - Low distortion input current shaping  
  - Overvoltage protection  

- **PWM Section:**  
  - Voltage mode control  
  - Adjustable dead-time control  
  - Soft-start functionality  
  - Synchronization capability  

- **Protections:**  
  - Under-voltage lockout (UVLO)  
  - Overcurrent protection (OCP)  

This IC is commonly used in AC/DC power supplies, industrial systems, and LED drivers.  

(Source: Texas Instruments Datasheet)

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