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LM3447MTE/NOPB from TI,Texas Instruments

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LM3447MTE/NOPB

Manufacturer: TI

Phase Dimmable, Primary Side Power Regulated, PFC Flyback Controller for LED Lighting 14-TSSOP -40 to 125

Partnumber Manufacturer Quantity Availability
LM3447MTE/NOPB,LM3447MTENOPB TI 500 In Stock

Description and Introduction

Phase Dimmable, Primary Side Power Regulated, PFC Flyback Controller for LED Lighting 14-TSSOP -40 to 125 The **LM3447MTE/NOPB** is a LED driver IC manufactured by **Texas Instruments (TI)**. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI)  
- **Part Number:** LM3447MTE/NOPB  
- **Type:** LED Driver IC  
- **Topology:** Buck (Step-Down)  
- **Input Voltage Range:** 6V to 42V  
- **Output Current:** Adjustable (up to 1.5A)  
- **Switching Frequency:** Adjustable (up to 1MHz)  
- **Dimming Control:** TRIAC & PWM Dimming Compatible  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 16-Pin TSSOP (Exposed Pad)  

### **Descriptions:**  
The **LM3447MTE/NOPB** is a constant-current buck LED driver designed for offline and low-voltage lighting applications. It integrates a TRIAC dimmer decoder, enabling smooth dimming performance with leading-edge and trailing-edge phase-cut dimmers. The device supports both analog and PWM dimming methods, making it suitable for a wide range of LED lighting applications.  

### **Features:**  
- **TRIAC Dimmable:** Compatible with leading-edge and trailing-edge dimmers.  
- **PWM Dimming Support:** Allows for precise brightness control.  
- **Wide Input Voltage Range:** Operates from 6V to 42V.  
- **High Efficiency:** Up to 95% efficiency for reduced power loss.  
- **Adjustable Switching Frequency:** Up to 1MHz for optimized performance.  
- **Thermal Protection:** Includes over-temperature shutdown.  
- **Open-LED Protection:** Safeguards against LED string failure.  
- **Small Footprint:** 16-Pin TSSOP package with an exposed pad for thermal management.  

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

Application Scenarios & Design Considerations

Phase Dimmable, Primary Side Power Regulated, PFC Flyback Controller for LED Lighting 14-TSSOP -40 to 125

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