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UCC28515N from TI/BB,Texas Instruments

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UCC28515N

Manufacturer: TI/BB

Advanced PFC/PWM Combination Controllers

Partnumber Manufacturer Quantity Availability
UCC28515N TI/BB 25 In Stock

Description and Introduction

Advanced PFC/PWM Combination Controllers The UCC28515N is a Power Factor Correction (PFC) controller manufactured by Texas Instruments (TI) or Burr-Brown (BB).  

### **Key Specifications:**  
- **Topology:** Transition Mode (TM) PFC  
- **Input Voltage Range:** 85V to 265V AC  
- **Output Voltage:** Typically up to 400V DC  
- **Switching Frequency:** Variable (depends on load and input conditions)  
- **Maximum Duty Cycle:** ~97%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Pin PDIP (Plastic Dual In-Line Package)  

### **Descriptions:**  
- Designed for high-efficiency power factor correction in AC/DC power supplies.  
- Uses a transition mode (boundary conduction mode) control method for reduced switching losses.  
- Features internal start-up timer, soft-start, and overvoltage protection.  

### **Features:**  
- **Power Factor Correction (PFC):** Ensures near-unity power factor.  
- **Zero Current Detection (ZCD):** Enables transition mode operation.  
- **Internal Start-up Timer:** Reduces external component count.  
- **Soft-Start Function:** Prevents inrush current at startup.  
- **Overvoltage Protection (OVP):** Safeguards against output overvoltage.  
- **Low Standby Power Consumption:** Improves efficiency in light-load conditions.  

This IC is commonly used in applications like power supplies, LED drivers, and industrial systems requiring PFC compliance.

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