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UCC2817DTR from TI,Texas Instruments

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UCC2817DTR

Manufacturer: TI

BiCMOS Power Factor Preregulator

Partnumber Manufacturer Quantity Availability
UCC2817DTR TI 325 In Stock

Description and Introduction

BiCMOS Power Factor Preregulator Here are the factual details about the UCC2817DTR from the manufacturer Texas Instruments (TI):

### **Specifications:**
- **Manufacturer:** Texas Instruments (TI)  
- **Part Number:** UCC2817DTR  
- **Type:** High-Speed PWM Controller  
- **Package:** SOIC-8  
- **Operating Temperature Range:** -40°C to +105°C  
- **Supply Voltage (VCC):** 10V to 17V  
- **Switching Frequency:** Adjustable up to 1MHz  
- **Duty Cycle Range:** 0% to 100%  
- **Output Current (Source/Sink):** 1A Peak  
- **Features:**  
  - High-speed current-mode PWM control  
  - Programmable oscillator frequency  
  - Under-voltage lockout (UVLO) protection  
  - Soft-start capability  
  - Error amplifier with reference  
  - Totem-pole output for driving MOSFETs  

### **Descriptions:**  
The UCC2817DTR is a high-performance current-mode PWM controller designed for power supply applications. It provides precise regulation and high-speed switching capabilities, making it suitable for AC/DC and DC/DC converters. The device includes protection features such as UVLO and soft-start to enhance system reliability.  

### **Features:**  
- **Current-Mode Control:** Ensures fast transient response and cycle-by-cycle current limiting.  
- **Adjustable Frequency:** External resistor and capacitor allow frequency programming.  
- **UVLO Protection:** Ensures proper operation within specified voltage range.  
- **Soft-Start:** Reduces inrush current during startup.  
- **Error Amplifier:** Provides accurate feedback regulation.  
- **High-Current Output:** Capable of driving power MOSFETs directly.  

This information is based solely on the manufacturer's datasheet and specifications.

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