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UC3854BDWTRG4 from TI,Texas Instruments

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15.015ms

UC3854BDWTRG4

Manufacturer: TI

Enhanced High Power Factor Preregulator 16-SOIC 0 to 70

Partnumber Manufacturer Quantity Availability
UC3854BDWTRG4 TI 2530 In Stock

Description and Introduction

Enhanced High Power Factor Preregulator 16-SOIC 0 to 70 The UC3854BDWTRG4 is a high-performance 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:** UC3854BDWTRG4  
### **Package:** SOIC-16 (DW)  
### **Category:** Power Management IC (PMIC)  

### **Descriptions:**  
- The UC3854BDWTRG4 is a power factor correction controller designed for boost preregulators operating in continuous conduction mode (CCM).  
- It provides near-unity power factor and low harmonic distortion for AC-DC power supplies.  
- The device includes features for precise control of the input current waveform to match the input voltage waveform.  

### **Key Features:**  
- **Operating Voltage Range:** 15V to 35V  
- **Average Current Mode Control:** Ensures low harmonic distortion.  
- **Programmable Oscillator Frequency:** Up to 500kHz.  
- **Precision Reference Voltage:** 7.5V with ±1% accuracy.  
- **Multiplier/Divider Circuit:** Enforces power factor correction.  
- **Soft-Start Function:** Reduces inrush current.  
- **Undervoltage Lockout (UVLO):** Ensures proper start-up and shutdown.  
- **Peak Current Limiting:** Protects against overloads.  
- **Wide Temperature Range:** -40°C to +85°C.  

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

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

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