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LM3543MX-L from NS,NS,National Semiconductor

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LM3543MX-L

Manufacturer: NS,NS

Triple Port USB Power Distribution Switch and Over-Current Protection

Partnumber Manufacturer Quantity Availability
LM3543MX-L,LM3543MXL NS,NS 10000 In Stock

Description and Introduction

Triple Port USB Power Distribution Switch and Over-Current Protection The LM3543MX-L is a switching regulator manufactured by National Semiconductor (NS). Below are the factual details from Ic-phoenix technical data files:

### **Manufacturer:**  
- **NS (National Semiconductor)**  

### **Specifications:**  
- **Type:** Switching Regulator  
- **Function:** Step-Down (Buck) DC-DC Converter  
- **Input Voltage Range:** 4.5V to 24V  
- **Output Voltage Range:** Adjustable (0.8V to 20V)  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 500kHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOIC-8  

### **Descriptions & Features:**  
- **High-Efficiency Buck Converter:** Optimized for power conversion with minimal losses.  
- **Wide Input Voltage Range:** Supports operation from 4.5V to 24V.  
- **Adjustable Output Voltage:** Configurable via external resistors.  
- **Integrated Power MOSFETs:** Simplifies design and reduces external component count.  
- **Fixed Frequency Operation:** 500kHz switching frequency for stable performance.  
- **Thermal Shutdown & Overcurrent Protection:** Ensures safe operation under fault conditions.  
- **Low Quiescent Current:** Improves efficiency in light-load conditions.  
- **Soft-Start Function:** Reduces inrush current during startup.  

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

Application Scenarios & Design Considerations

Triple Port USB Power Distribution Switch and Over-Current Protection

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