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UCC3813N0 from UNITRODE

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UCC3813N0

Manufacturer: UNITRODE

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Partnumber Manufacturer Quantity Availability
UCC3813N0 UNITRODE 1788 In Stock

Description and Introduction

0 The UCC3813N0 is a BiCMOS power factor correction (PFC) controller manufactured by UNITRODE. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** UNITRODE  
- **Type:** Power Factor Correction (PFC) Controller  
- **Technology:** BiCMOS  
- **Operating Voltage Range:** 10V to 17V  
- **Start-Up Current:** Typically 150µA  
- **Operating Current:** Typically 5mA  
- **Switching Frequency:** Adjustable up to 200kHz  
- **Output Drive Current:** ±1.5A peak  
- **Error Amplifier Bandwidth:** 5MHz  
- **Soft-Start Time:** Programmable  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Pin DIP or SOIC  

### **Descriptions:**
- The UCC3813N0 is designed for active power factor correction in AC/DC power supplies.  
- It operates in average current mode control to achieve near-unity power factor.  
- Features include an internal start-up timer, precision reference, and multiplier/divider circuitry.  
- Suitable for boost, flyback, and other PFC topologies.  

### **Features:**
- **Average Current Mode Control** for high power factor.  
- **Low Start-Up and Operating Current** for efficiency.  
- **Programmable Oscillator Frequency** for flexible design.  
- **Overvoltage Protection (OVP)** for safety.  
- **Undervoltage Lockout (UVLO)** for reliable operation.  
- **High-Current Totem Pole Output** for driving power MOSFETs.  
- **Soft-Start Function** to minimize inrush current.  

This information is based on UNITRODE's official documentation for the UCC3813N0.

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