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UCC3819ADG4 from TEXAS

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UCC3819ADG4

Manufacturer: TEXAS

BiCMOS Power Factor Preregulator 16-SOIC 0 to 70

Partnumber Manufacturer Quantity Availability
UCC3819ADG4 TEXAS 2480 In Stock

Description and Introduction

BiCMOS Power Factor Preregulator 16-SOIC 0 to 70 The UCC3819ADG4 is a BiCMOS power factor correction (PFC) controller manufactured by Texas Instruments. Below are the key specifications, descriptions, and features based on the factual information from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Texas Instruments  
- **Category:** PMIC - Power Factor Correction  
- **Package:** SOIC-16  
- **Operating Temperature Range:** -40°C to +85°C  
- **Supply Voltage (VCC):** 12V to 17.5V  
- **Switching Frequency:** Adjustable (typically up to 250kHz)  
- **Current Limit Threshold:** Programmable  
- **Output Drive Capability:** 1.5A peak gate drive  
- **Control Method:** Average Current Mode Control  

### **Descriptions:**
- The UCC3819ADG4 is a high-performance PFC controller designed for active power factor correction in AC/DC power supplies.  
- It operates in continuous conduction mode (CCM) and provides low harmonic distortion and high power factor.  
- The device includes features like soft-start, overvoltage protection (OVP), and undervoltage lockout (UVLO).  

### **Features:**
- **Average Current Mode Control:** Ensures low input current distortion.  
- **Programmable Switching Frequency:** Allows flexibility in design.  
- **Precision Reference Voltage:** 7.5V with ±1% accuracy.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Overvoltage Protection (OVP):** Safeguards against output voltage spikes.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low supply conditions.  
- **Low Startup Current:** Typically 150µA.  
- **High Drive Output:** 1.5A peak gate drive for MOSFETs.  

This information is strictly based on the manufacturer's specifications and does not include any additional recommendations.

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