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LM2594HVN-ADJ from NS,National Semiconductor

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LM2594HVN-ADJ

Manufacturer: NS

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

Partnumber Manufacturer Quantity Availability
LM2594HVN-ADJ,LM2594HVNADJ NS 1 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter 150 kHz 0.5A Step-Down Voltage Regulator The LM2594HVN-ADJ is a step-down (buck) switching regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 60V  
- **Adjustable Output Voltage:** 1.23V to 57V  
- **Output Current:** 500mA  
- **Switching Frequency:** 150 kHz (fixed)  
- **Efficiency:** Up to 80%  
- **Operating Junction Temperature:** -40°C to +125°C  
- **Package:** TO-263-5 (D2PAK)  

### **Descriptions:**  
The LM2594HVN-ADJ is a high-voltage version of the LM2594 series, designed for step-down voltage regulation with a wide input range. It integrates a fixed-frequency oscillator, high-efficiency switch, and feedback control circuitry.  

### **Features:**  
- Adjustable output voltage with feedback pin  
- Internal current limiting and thermal shutdown  
- Low standby current (50 µA typical)  
- Requires minimal external components  
- Stable with low-ESR output capacitors  

This regulator is commonly used in industrial, automotive, and power supply applications requiring high input voltage tolerance.  

(Source: National Semiconductor Datasheet)

Application Scenarios & Design Considerations

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

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