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LM2595S-3.3 from NSC,National Semiconductor

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LM2595S-3.3

Manufacturer: NSC

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

Partnumber Manufacturer Quantity Availability
LM2595S-3.3,LM2595S33 NSC 240 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter 150 KHz 1A Step-Down Voltage Regulator The LM2595S-3.3 is a step-down (buck) switching voltage regulator manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Input Voltage Range:** 4.5V to 40V  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 150 kHz (fixed)  
- **Efficiency:** Up to 88%  
- **Operating Junction Temperature:** -40°C to +125°C  
- **Package:** TO-263 (D2PAK)  
- **Regulation Type:** PWM (Pulse Width Modulation)  
- **Protection Features:** Thermal shutdown and current limit  

### **Descriptions:**  
The LM2595S-3.3 is a monolithic integrated circuit that provides all active functions for a step-down switching regulator. It requires minimal external components and is designed for easy implementation in various power supply applications.  

### **Features:**  
- Simple and easy-to-use design  
- Requires only 4 external components  
- Internal frequency compensation  
- Low standby current (50 µA typical)  
- Adjustable soft-start capability  
- Available in fixed and adjustable output voltage versions  
- High efficiency compared to linear regulators  
- Suitable for battery-powered and industrial applications  

This regulator is commonly used in power supplies, industrial controls, automotive systems, and other applications requiring efficient voltage conversion.

Application Scenarios & Design Considerations

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

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