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UCC28091 from TI,Texas Instruments

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UCC28091

Manufacturer: TI

Economy Primary Side Controller

Partnumber Manufacturer Quantity Availability
UCC28091 TI 680 In Stock

Description and Introduction

Economy Primary Side Controller The UCC28091 is a power factor correction (PFC) controller manufactured by Texas Instruments (TI). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Input Voltage Range:** 85 VAC to 265 VAC  
- **Output Voltage Range:** Up to 410 VDC  
- **Switching Frequency:** Adjustable up to 300 kHz  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Type:** 8-pin SOIC (D)  
- **Control Method:** Average Current Mode Control  
- **Supply Voltage (VDD):** 10.5 V to 21 V (start-up), 8.5 V to 21 V (operating)  

### **Descriptions:**  
- The UCC28091 is a transition-mode PFC controller designed for high-efficiency power supplies.  
- It uses a proprietary control method to achieve near-unity power factor and low THD (Total Harmonic Distortion).  
- It is optimized for applications requiring compliance with energy efficiency standards such as 80 PLUS®.  

### **Features:**  
- **Natural Interleaving™ Technology:** Enables seamless transition between single-phase and dual-phase operation for improved efficiency.  
- **Low THD:** Minimizes input current distortion for compliance with IEC 61000-3-2 standards.  
- **Programmable Switching Frequency:** Allows optimization for efficiency and EMI performance.  
- **Integrated Protection Features:** Includes overvoltage protection (OVP), undervoltage lockout (UVLO), and open-loop detection.  
- **Soft-Start Function:** Reduces inrush current during startup.  

For further details, refer to the official Texas Instruments datasheet for the UCC28091.

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