SIMPLE SWITCHER Power Converter 150 kHz 0.5A Step-Down Voltage Regulator, with Features 8-SOIC -40 to 125 The LM2597HVMX-5.0/NOPB is a switching voltage regulator manufactured by Texas Instruments (formerly National Semiconductor, NS).  

### **Specifications:**  
- **Output Voltage:** Fixed 5.0V  
- **Input Voltage Range:** 4.5V to 60V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 150 kHz  
- **Efficiency:** Up to 92%  
- **Operating Junction Temperature:** -40°C to +125°C  
- **Package:** TO-263-7 (DDPAK/TO-263)  
- **Regulation Type:** Step-Down (Buck)  
- **Protection Features:** Thermal shutdown, current limit  

### **Descriptions:**  
The LM2597HVMX-5.0/NOPB is a monolithic buck regulator designed for high-efficiency step-down voltage conversion. It integrates a fixed-frequency oscillator, high-side switch, and control circuitry, requiring minimal external components.  

### **Features:**  
- **Wide Input Voltage Range:** 4.5V to 60V  
- **3A Output Current Capability**  
- **Fixed 5.0V Output**  
- **Internal Frequency Compensation**  
- **Thermal Shutdown Protection**  
- **Current Limiting Protection**  
- **Low Power Standby Mode**  
- **Simple and Easy-to-Use Design**  

This regulator is suitable for industrial, automotive, and power supply applications requiring high efficiency and reliability.

SIMPLE SWITCHER Power Converter 150 kHz 0.5A Step-Down Voltage Regulator, with Features 8-SOIC -40 to 125