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LM2598SX-ADJ from NSC,National Semiconductor

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LM2598SX-ADJ

Manufacturer: NSC

SIMPLE SWITCHER Power Converter 150 KHz 1A Step-Down Voltage Regulator, with Features

Partnumber Manufacturer Quantity Availability
LM2598SX-ADJ,LM2598SXADJ NSC 6000 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter 150 KHz 1A Step-Down Voltage Regulator, with Features The LM2598SX-ADJ is a step-down (buck) switching regulator manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 40V  
- **Adjustable Output Voltage Range:** 1.23V to 37V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 150 kHz (fixed)  
- **Efficiency:** Up to 92%  
- **Operating Junction Temperature:** -40°C to +125°C  
- **Package:** TO-263-5 (D2PAK)  
- **Protection Features:** Thermal shutdown and current limit  

### **Descriptions:**  
The LM2598SX-ADJ is a monolithic integrated circuit that provides all active functions for a step-down switching regulator. It is designed for ease of use and requires minimal external components. The adjustable version allows the output voltage to be set using external resistors.  

### **Features:**  
- Simple and easy-to-design switching regulator  
- Requires only 4 external components  
- Internal frequency compensation  
- Low standby current (80 µA typical)  
- Soft-start capability to reduce inrush current  
- Available in a thermally enhanced package  

This regulator is commonly used in power supply applications requiring high efficiency and a wide input voltage range.

Application Scenarios & Design Considerations

SIMPLE SWITCHER Power Converter 150 KHz 1A Step-Down Voltage Regulator, with Features

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