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LM2597M-5.0 from NS,National Semiconductor

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LM2597M-5.0

Manufacturer: NS

SIMPLE SWITCHER Power Converter 150 kHz 0.5A Step-Down Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2597M-5.0,LM2597M50 NS 850 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter 150 kHz 0.5A Step-Down Voltage Regulator The LM2597M-5.0 is a step-down (buck) switching voltage regulator manufactured by National Semiconductor (NS). Below are its specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** 5.0V (fixed)  
- **Input Voltage Range:** 4.5V to 40V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 150 kHz  
- **Efficiency:** Up to 90%  
- **Operating Junction Temperature:** -40°C to +125°C  
- **Package:** TO-263-5 (D2PAK)  

### **Descriptions:**
- The LM2597M-5.0 is a monolithic integrated circuit that provides all active functions for a step-down switching regulator.  
- It is designed to drive a 3A load with excellent line and load regulation.  
- The device requires minimal external components, simplifying design.  
- Includes internal frequency compensation and a fixed-frequency oscillator.  

### **Features:**
- **Fixed 5.0V Output**  
- **3A Output Current Capability**  
- **Wide Input Voltage Range (4.5V to 40V)**  
- **Internal Current Limiting & Thermal Shutdown**  
- **Low Power Standby Mode (IQ < 80µA)**  
- **High Efficiency (Up to 90%)**  
- **Available in TO-263-5 Package**  

This regulator is commonly used in power supply applications requiring efficient voltage conversion.

Application Scenarios & Design Considerations

SIMPLE SWITCHER Power Converter 150 kHz 0.5A Step-Down Voltage Regulator

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