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UCC3817DW from TI,Texas Instruments

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UCC3817DW

Manufacturer: TI

BiCMOS Power Factor Preregulator

Partnumber Manufacturer Quantity Availability
UCC3817DW TI 3316 In Stock

Description and Introduction

BiCMOS Power Factor Preregulator The UCC3817DW is a power factor correction (PFC) controller manufactured by Texas Instruments (TI). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI)  
- **Package:** SOIC-16 (DW)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Input Voltage Range:** 10V to 17V (VCC)  
- **Output Drive Current:** ±1.5A (peak)  
- **Switching Frequency:** Adjustable up to 250kHz  
- **PFC Control Method:** Average Current Mode  
- **Startup Current:** 150µA (typical)  
- **Reference Voltage:** 7.5V (internal)  

### **Descriptions:**  
- The UCC3817DW is a high-performance PFC controller designed for active power factor correction in AC/DC power supplies.  
- It implements average current mode control for improved power factor and low harmonic distortion.  
- The device includes features for soft-start, overvoltage protection (OVP), and undervoltage lockout (UVLO).  

### **Features:**  
- **Average Current Mode Control:** Ensures low harmonic distortion and high power factor.  
- **Programmable Switching Frequency:** Adjustable up to 250kHz.  
- **Low Startup Current:** Enables efficient operation at low power.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Overvoltage Protection (OVP):** Protects against output overvoltage conditions.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation within voltage limits.  
- **High-Current Totem Pole Output:** Supports direct drive of power MOSFETs.  

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

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