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LM2591HVT-5.0 from NS,National Semiconductor

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LM2591HVT-5.0

Manufacturer: NS

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

Partnumber Manufacturer Quantity Availability
LM2591HVT-5.0,LM2591HVT50 NS 7 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator The LM2591HVT-5.0 is a step-down (buck) switching regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** 5.0V (fixed)  
- **Input Voltage Range:** 4.5V to 40V  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 150 kHz  
- **Efficiency:** Up to 88%  
- **Operating Junction Temperature:** -40°C to +125°C  
- **Package:** TO-220-5 (Through-Hole)  
- **Regulation Type:** PWM (Pulse-Width Modulation)  
- **Protection Features:** Thermal shutdown and current limit  

### **Descriptions:**  
The LM2591HVT-5.0 is a monolithic integrated circuit that provides all active functions for a step-down switching regulator. It is designed for easy implementation in power supply applications requiring high efficiency and compact design.  

### **Features:**  
- Simple and easy-to-use design  
- Requires minimal external components  
- Internal frequency compensation  
- Low standby current (50 µA typical)  
- Adjustable soft-start capability  
- Available in fixed and adjustable output versions  
- High efficiency over a wide load range  

This regulator is suitable for applications such as industrial power supplies, automotive systems, and battery-powered devices.

Application Scenarios & Design Considerations

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

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