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UCC2818DTRG4 from TI,Texas Instruments

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UCC2818DTRG4

Manufacturer: TI

BiCMOS Power Factor Preregulator

Partnumber Manufacturer Quantity Availability
UCC2818DTRG4 TI 2530 In Stock

Description and Introduction

BiCMOS Power Factor Preregulator The UCC2818DTRG4 is a high-performance, current-mode PWM controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Topology:** Current-mode PWM controller  
- **Input Voltage Range:** 8.5V to 17V  
- **Operating Frequency:** Up to 1MHz  
- **Output Drive Current:** ±1.5A (peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Soft-Start Function:** Yes  
- **UVLO (Undervoltage Lockout):** 8.5V (on), 7.6V (off)  
- **Package:** SOIC-8  
- **Operating Temperature Range:** -40°C to +105°C  

### **Descriptions:**  
The UCC2818DTRG4 is designed for high-frequency, high-efficiency power supply applications. It features cycle-by-cycle current limiting, soft-start, and undervoltage lockout (UVLO) for robust operation.  

### **Features:**  
- **Current-Mode Control:** Enhances transient response and simplifies loop compensation.  
- **Programmable Oscillator:** Allows frequency adjustment with external components.  
- **Soft-Start:** Reduces inrush current during startup.  
- **High-Current Totem Pole Output:** Optimized for driving power MOSFETs.  
- **Low Startup Current:** Minimizes power consumption.  
- **Internal Leading-Edge Blanking:** Improves noise immunity.  

This device is commonly used in AC/DC converters, power supplies, and industrial applications.

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