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UCC2817DTRG4 from TI,Texas Instruments

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UCC2817DTRG4

Manufacturer: TI

BiCMOS Power Factor Preregulator 16-SOIC -40 to 85

Partnumber Manufacturer Quantity Availability
UCC2817DTRG4 TI 2530 In Stock

Description and Introduction

BiCMOS Power Factor Preregulator 16-SOIC -40 to 85 The UCC2817DTRG4 is a high-performance, BiCMOS, current-mode PWM controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Topology:** Flyback, Forward, Boost, Buck, Buck-Boost  
- **Control Method:** Current-Mode PWM  
- **Frequency Range:** Up to 1MHz  
- **Input Voltage (VCC):** 8.5V to 17V  
- **Output Voltage:** Adjustable  
- **Duty Cycle Max:** 50% (Push-Pull), 100% (Single-Ended)  
- **Operating Temperature:** -40°C to +105°C  
- **Package:** SOIC-16 (D)  

### **Descriptions:**  
The UCC2817DTRG4 is designed for high-efficiency power supply applications. It features a high-speed PWM controller with precise current-mode control, ensuring stable operation in various power topologies. It includes built-in protections such as undervoltage lockout (UVLO), cycle-by-cycle current limiting, and soft-start functionality.  

### **Features:**  
- **Current-Mode Control:** Improves transient response and simplifies loop compensation.  
- **Programmable Switching Frequency:** Up to 1MHz.  
- **Soft-Start:** Reduces inrush current during startup.  
- **UVLO Protection:** Ensures proper operation within the specified voltage range.  
- **Low Startup Current:** Minimizes power loss during standby.  
- **BiCMOS Technology:** Provides low power consumption and high-speed performance.  
- **Synchronization Capability:** Allows external clock synchronization.  

This device is commonly used in AC/DC converters, power factor correction (PFC) circuits, and isolated power supplies.

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