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UCC28500DWG4 from TI/BB,Texas Instruments

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UCC28500DWG4

Manufacturer: TI/BB

BiCMOS PFC/PWM Combination Controller 20-SOIC -40 to 85

Partnumber Manufacturer Quantity Availability
UCC28500DWG4 TI/BB 809 In Stock

Description and Introduction

BiCMOS PFC/PWM Combination Controller 20-SOIC -40 to 85 The UCC28500DWG4 is a Power Factor Correction (PFC) controller manufactured by Texas Instruments (TI) or Burr-Brown (BB). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Texas Instruments (TI) / Burr-Brown (BB)  
- **Package:** SOIC-16 (DWG4)  
- **Type:** Power Factor Correction (PFC) Controller  
- **Input Voltage Range:** Typically operates with AC line voltages (e.g., 85VAC to 265VAC)  
- **Switching Frequency:** Adjustable, typically up to 200kHz  
- **Operating Temperature Range:** -40°C to +85°C (or as specified in datasheet)  
- **Control Method:** Average current mode control  

### **Descriptions:**
- The UCC28500DWG4 is designed for high-performance power factor correction in AC-DC power supplies.  
- It provides active power factor correction to improve efficiency and comply with regulatory standards.  
- Suitable for boost, flyback, or other PFC topologies.  

### **Features:**
- **Power Factor Correction (PFC):** Ensures near-unity power factor.  
- **Average Current Mode Control:** Provides stable operation with low distortion.  
- **Programmable Switching Frequency:** Allows optimization for efficiency and EMI.  
- **Overvoltage Protection (OVP):** Protects against output overvoltage conditions.  
- **Undervoltage Lockout (UVLO):** Ensures proper startup and shutdown.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Low Startup Current:** Minimizes power consumption during standby.  

For exact electrical characteristics, refer to the official datasheet from Texas Instruments.

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