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LM50003MTC from NS,National Semiconductor

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LM50003MTC

Manufacturer: NS

High Voltage Switch Mode Regulator

Partnumber Manufacturer Quantity Availability
LM50003MTC NS 154 In Stock

Description and Introduction

High Voltage Switch Mode Regulator The LM50003MTC is a high-voltage switching regulator manufactured by National Semiconductor (NS). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Input Voltage Range:** 6V to 75V  
- **Output Voltage Range:** Adjustable from 1.225V to 70V  
- **Output Current:** Up to 500mA  
- **Switching Frequency:** Adjustable up to 1MHz  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TSSOP-16  

### **Descriptions:**  
- The LM50003MTC is a step-down (buck) switching regulator designed for high-voltage applications.  
- It integrates a high-side N-channel MOSFET with a bootstrap diode for efficient operation.  
- The device supports adjustable output voltage via an external resistor divider.  
- It includes protection features such as thermal shutdown, current limiting, and under-voltage lockout (UVLO).  

### **Features:**  
- **Wide Input Voltage Range (6V to 75V)**  
- **Integrated High-Side MOSFET**  
- **Adjustable Switching Frequency (up to 1MHz)**  
- **Programmable Soft-Start**  
- **Cycle-by-Cycle Current Limiting**  
- **Thermal Shutdown Protection**  
- **Under-Voltage Lockout (UVLO)**  
- **Low Quiescent Current (3.5mA typical)**  

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

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