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LM3431QMH from NS,National Semiconductor

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LM3431QMH

Manufacturer: NS

3-Channel Constant Current LED Driver with Integrated Boost Controller

Partnumber Manufacturer Quantity Availability
LM3431QMH NS 258 In Stock

Description and Introduction

3-Channel Constant Current LED Driver with Integrated Boost Controller The LM3431QMH is a high-performance LED driver controller manufactured by Texas Instruments (NS). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Texas Instruments (NS)  
- **Type:** LED Driver Controller  
- **Input Voltage Range:** 4.5V to 75V  
- **Output Voltage Range:** Adjustable (supports high-voltage LED strings)  
- **Switching Frequency:** Adjustable (100kHz to 1MHz)  
- **Dimming Control:** Analog/PWM dimming support  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 24-pin HTSSOP (PowerPAD™)  

### **Descriptions:**
- The LM3431QMH is a high-voltage LED driver controller designed for driving multiple LEDs in series.  
- It supports constant current regulation for LED strings, ensuring uniform brightness.  
- The device is optimized for automotive, industrial, and general lighting applications.  

### **Features:**
- **Wide Input Voltage Range:** Supports operation from 4.5V to 75V.  
- **High-Efficiency Buck Controller:** Enables high-power LED driving with minimal losses.  
- **Adjustable Switching Frequency:** Allows optimization for efficiency and component size.  
- **Analog and PWM Dimming:** Provides flexible brightness control.  
- **Thermal Protection:** Includes over-temperature shutdown for reliability.  
- **PowerPAD™ Package:** Enhances thermal performance for high-power applications.  

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

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