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LM3103MH from NS,National Semiconductor

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LM3103MH

Manufacturer: NS

SIMPLE SWITCHER? Synchronous 1MHz 0.75A Step-Down Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM3103MH NS 1000 In Stock

Description and Introduction

SIMPLE SWITCHER? Synchronous 1MHz 0.75A Step-Down Voltage Regulator The LM3103MH is a switching regulator manufactured by National Semiconductor (NS). Below are the factual details about its specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 36V  
- **Output Voltage:** Adjustable down to 1.25V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 600kHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 16-Pin HTSSOP (PowerPad™)  

### **Descriptions:**  
- The LM3103MH is a step-down (buck) switching regulator.  
- It integrates a high-side N-channel MOSFET for efficient power conversion.  
- Designed for applications requiring high efficiency and compact power solutions.  

### **Features:**  
- **Wide Input Voltage Range:** Supports 4.5V to 36V operation.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **High Efficiency:** Minimizes power loss with synchronous rectification.  
- **Integrated MOSFET:** Simplifies design and reduces external components.  
- **Frequency Synchronization:** Allows synchronization to an external clock.  
- **Thermal Shutdown & Overcurrent Protection:** Enhances reliability.  
- **PowerPad™ Package:** Improves thermal performance.  

This information is sourced from the manufacturer's datasheet.

Application Scenarios & Design Considerations

SIMPLE SWITCHER? Synchronous 1MHz 0.75A Step-Down Voltage Regulator

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