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UCC3813D-3G4 from TI,Texas Instruments

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UCC3813D-3G4

Manufacturer: TI

Low Power Economy BiCMOS Current Mode PWM 8-SOIC 0 to 70

Partnumber Manufacturer Quantity Availability
UCC3813D-3G4,UCC3813D3G4 TI 50000 In Stock

Description and Introduction

Low Power Economy BiCMOS Current Mode PWM 8-SOIC 0 to 70 The UCC3813D-3G4 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:  

### **Manufacturer:** Texas Instruments (TI)  
### **Part Number:** UCC3813D-3G4  

### **Description:**  
The UCC3813D-3G4 is an advanced power factor correction (PFC) controller designed for high-performance AC-DC power supplies. It operates in average current mode control to improve power factor and reduce harmonic distortion.  

### **Key Features:**  
- **Average Current Mode Control:** Ensures low harmonic distortion and high power factor.  
- **Wide Operating Voltage Range:** Supports input voltages from 85V to 265V AC.  
- **Low Start-Up Current:** Typically 150µA, reducing power consumption during start-up.  
- **Precision Reference Voltage:** 7.5V with ±1% accuracy.  
- **Programmable Oscillator Frequency:** Adjustable up to 500kHz.  
- **Soft-Start Function:** Reduces inrush current during power-up.  
- **Overvoltage Protection (OVP):** Prevents output voltage from exceeding safe limits.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low-voltage conditions.  
- **Zero Current Detection (ZCD):** Optimizes efficiency in discontinuous conduction mode (DCM).  
- **Package:** SOIC-8 (D)  

### **Applications:**  
- AC-DC power supplies  
- Power factor correction circuits  
- Industrial and consumer electronics  

This information is based on the manufacturer's datasheet and technical documentation.

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