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LM2599SX-5.0 from NS,National Semiconductor

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LM2599SX-5.0

Manufacturer: NS

SIMPLE SWITCHER Power Converter 150 KHz 3A Step-Down Voltage Regulator with Features

Partnumber Manufacturer Quantity Availability
LM2599SX-5.0,LM2599SX50 NS 5 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter 150 KHz 3A Step-Down Voltage Regulator with Features The LM2599SX-5.0 is a step-down (buck) switching regulator manufactured by National Semiconductor (NS). Below are its specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** Fixed 5.0V  
- **Output Current:** Up to 3A  
- **Input Voltage Range:** 4.5V to 40V  
- **Switching Frequency:** 150 kHz  
- **Efficiency:** Up to 88%  
- **Operating Junction Temperature:** -40°C to +125°C  
- **Package:** TO-263-5 (D2PAK)  
- **Regulation:** ±4% (over line and load conditions)  

### **Descriptions:**
The LM2599SX-5.0 is a monolithic integrated circuit that provides all active functions for a step-down (buck) switching regulator. It is designed to drive a 3A load with excellent line and load regulation. The device requires a minimal number of external components and includes features like thermal shutdown and current limit protection.

### **Features:**
- **Fixed 5.0V Output Voltage**  
- **3A Output Current Capability**  
- **Wide Input Voltage Range (4.5V to 40V)**  
- **150 kHz Fixed Frequency Internal Oscillator**  
- **Thermal Shutdown Protection**  
- **Current Limit Protection**  
- **Low Power Standby Mode (IQ < 80µA)**  
- **Simple and Easy to Use**  
- **Available in a TO-263-5 Package**  

This regulator is commonly used in power supply applications requiring high efficiency and compact design.

Application Scenarios & Design Considerations

SIMPLE SWITCHER Power Converter 150 KHz 3A Step-Down Voltage Regulator with Features

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