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UCC38500DWTR from TI,Texas Instruments

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UCC38500DWTR

Manufacturer: TI

BICMOS PFC/PWM COMBINATION CONTROLLER

Partnumber Manufacturer Quantity Availability
UCC38500DWTR TI 873 In Stock

Description and Introduction

BICMOS PFC/PWM COMBINATION CONTROLLER The UCC38500DWTR 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)  
- **Part Number:** UCC38500DWTR  
- **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 Range:** Adjustable up to 500kHz  
- **Control Method:** Average Current Mode Control  
- **Power Factor Correction:** Yes  
- **Duty Cycle Range:** 0% to 95%  

### **Descriptions:**  
The UCC38500DWTR is a high-performance power factor correction controller designed for boost-type PFC preregulators. It employs average current mode control to achieve near-unity power factor and low harmonic distortion. The device is optimized for continuous conduction mode (CCM) operation and includes features for improved efficiency and reliability in AC/DC power supplies.  

### **Features:**  
- **Average Current Mode Control:** Ensures low input current distortion.  
- **Programmable Switching Frequency:** Adjustable up to 500kHz.  
- **Overvoltage Protection (OVP):** Prevents output overvoltage conditions.  
- **Undervoltage Lockout (UVLO):** Ensures proper startup and shutdown.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Peak Current Limiting:** Protects against excessive current.  
- **Low Startup Current:** Typically 150µA.  
- **High Drive Output:** ±1.5A gate drive capability.  

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

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