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LM3432MH from NS,National Semiconductor

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LM3432MH

Manufacturer: NS

6-Channel Current Regulator for LED Backlight Application

Partnumber Manufacturer Quantity Availability
LM3432MH NS 1812 In Stock

Description and Introduction

6-Channel Current Regulator for LED Backlight Application The LM3432MH is a step-down switching regulator controller manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 75V  
- **Output Voltage Range:** Adjustable down to 1.26V  
- **Switching Frequency:** Adjustable up to 1MHz  
- **Driver Output Current:** 1.5A (peak)  
- **Duty Cycle Range:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 20-pin HTSSOP (PowerPAD™)  

### **Descriptions:**  
- Designed for high-efficiency step-down DC-DC conversion.  
- Supports synchronous or non-synchronous buck topologies.  
- Features an integrated high-side gate driver for N-channel MOSFETs.  
- Includes programmable soft-start and current limiting.  

### **Features:**  
- Wide input voltage range (4.5V to 75V).  
- Adjustable switching frequency (up to 1MHz).  
- Precision 1.26V reference voltage.  
- Cycle-by-cycle current limiting.  
- Under-voltage lockout (UVLO) protection.  
- Thermal shutdown protection.  
- PowerPAD™ package for improved thermal performance.  

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

Application Scenarios & Design Considerations

6-Channel Current Regulator for LED Backlight Application

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