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UCC3813N-0 from UNITRODE

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UCC3813N-0

Manufacturer: UNITRODE

0

Partnumber Manufacturer Quantity Availability
UCC3813N-0,UCC3813N0 UNITRODE 851 In Stock

Description and Introduction

0 The UCC3813N-0 is a power factor correction (PFC) controller manufactured by UNITRODE. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** UNITRODE  
- **Type:** Power Factor Correction (PFC) Controller  
- **Package:** PDIP-8 (Plastic Dual In-Line Package)  
- **Operating Temperature Range:** Commercial (0°C to +70°C)  
- **Input Voltage Range:** Supports wide input voltage ranges for PFC applications  
- **Switching Frequency:** Adjustable, typically up to several hundred kHz  
- **Output Drive:** Totem-pole output for driving external MOSFETs  
- **Control Method:** Average current mode control  

### **Descriptions:**
The UCC3813N-0 is designed for active power factor correction in AC/DC power supplies. It improves power factor by shaping the input current to follow the input voltage waveform, reducing harmonic distortion. It is commonly used in switch-mode power supplies (SMPS) and other applications requiring compliance with power quality standards.

### **Features:**
- **Average Current Mode Control:** Ensures low distortion and high power factor.  
- **Precision Reference Voltage:** Provides stable operation.  
- **Programmable Oscillator:** Allows adjustment of switching frequency.  
- **Undervoltage Lockout (UVLO):** Ensures proper startup and shutdown.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Overvoltage Protection (OVP):** Protects against output overvoltage conditions.  
- **Peak Current Limiting:** Enhances system reliability.  

For exact electrical characteristics, refer to the UNITRODE datasheet.

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