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LM3403MX from NS,National Semiconductor

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LM3403MX

Manufacturer: NS

Quad Operational Amplifiers

Partnumber Manufacturer Quantity Availability
LM3403MX NS 432 In Stock

Description and Introduction

Quad Operational Amplifiers The LM3403MX is a switching regulator manufactured by National Semiconductor (NS). Here are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 36V  
- **Output Voltage Range:** 1.225V to 35V (adjustable via external resistors)  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 600 kHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOIC-8  

### **Descriptions:**  
- The LM3403MX is a **buck (step-down) DC-DC regulator** designed for high-efficiency power conversion.  
- It integrates a **high-side N-channel MOSFET** for synchronous rectification, reducing external component count.  
- Suitable for **battery-powered applications, industrial systems, and automotive electronics**.  

### **Features:**  
- **Adjustable Output Voltage** via external feedback resistors.  
- **Pulse-Width Modulation (PWM) Control** for stable operation.  
- **Thermal Shutdown and Overcurrent Protection** for enhanced reliability.  
- **Low Shutdown Current** (<10µA) for power-saving modes.  
- **Wide Input Voltage Range** supports various power sources.  

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

Application Scenarios & Design Considerations

Quad Operational Amplifiers
Partnumber Manufacturer Quantity Availability
LM3403MX NSC 1020 In Stock

Description and Introduction

Quad Operational Amplifiers The LM3403MX is a switching regulator manufactured by National Semiconductor (NSC). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Input Voltage Range:** 6V to 42V  
- **Output Voltage Range:** Adjustable from 1.225V to 37V  
- **Output Current:** Up to 1.5A  
- **Switching Frequency:** Adjustable up to 1MHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOIC-8  

### **Descriptions:**
- The LM3403MX is a step-down (buck) switching regulator designed for high-efficiency DC-DC conversion.  
- It integrates a high-side N-channel MOSFET and provides a constant output voltage with adjustable frequency operation.  
- Suitable for industrial, automotive, and consumer applications requiring stable power conversion.  

### **Features:**
- **Wide Input Voltage Range:** Supports 6V to 42V operation.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **High Efficiency:** Minimizes power loss with synchronous rectification.  
- **Frequency Adjustability:** Allows optimization for size and efficiency.  
- **Thermal Shutdown & Current Limiting:** Protects against overcurrent and overheating.  
- **Low Quiescent Current:** Improves efficiency in light-load conditions.  

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

Application Scenarios & Design Considerations

Quad Operational Amplifiers

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