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UCC28084DR from TI,Texas Instruments

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UCC28084DR

Manufacturer: TI

Current Mode Push-Pull PWM With Programmable Slope Compensation

Partnumber Manufacturer Quantity Availability
UCC28084DR TI 30 In Stock

Description and Introduction

Current Mode Push-Pull PWM With Programmable Slope Compensation The UCC28084DR is a PFC (Power Factor Correction) controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Type:** Transition-Mode PFC Controller  
- **Topology:** Boost  
- **Input Voltage Range:** 85 V to 265 V (AC)  
- **Output Voltage:** Adjustable (typically 400 V)  
- **Switching Frequency:** Up to 300 kHz  
- **Operating Temperature Range:** -40°C to +105°C  
- **Package:** SOIC-8  
- **Control Method:** Average Current Mode  
- **Startup Current:** 40 µA (typical)  
- **Supply Voltage (VCC):** 10.5 V to 22 V  
- **Peak Gate Drive Current:** ±1.5 A  

### **Descriptions:**  
The UCC28084DR is a high-performance, transition-mode PFC controller designed for power supplies requiring high power factor and low THD (Total Harmonic Distortion). It operates in critical conduction mode (CrM) for improved efficiency and reduced switching losses.  

### **Features:**  
- **Low THD and High Power Factor (>0.99)**  
- **Internal Start-Up Timer**  
- **Overvoltage Protection (OVP)**  
- **Undervoltage Lockout (UVLO)**  
- **Soft-Start Function**  
- **Programmable Switching Frequency**  
- **Peak Current Limiting**  
- **Low Power Consumption in Standby Mode**  

This device is commonly used in AC-DC power supplies, LED drivers, and industrial power systems.

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