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LM2594M-12/NOPB from NS,National Semiconductor

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LM2594M-12/NOPB

Manufacturer: NS

SIMPLE SWITCHER? 40V, 500mA Low Component Count Step-Down Regulator 8-SOIC -40 to 125

Partnumber Manufacturer Quantity Availability
LM2594M-12/NOPB,LM2594M12NOPB NS 340 In Stock

Description and Introduction

SIMPLE SWITCHER? 40V, 500mA Low Component Count Step-Down Regulator 8-SOIC -40 to 125 The LM2594M-12/NOPB is a step-down (buck) switching regulator manufactured by Texas Instruments (formerly National Semiconductor, NS).  

### **Specifications:**  
- **Output Voltage:** Fixed 12V  
- **Input Voltage Range:** 4.5V to 40V  
- **Output Current:** Up to 0.5A  
- **Switching Frequency:** 150 kHz (fixed)  
- **Efficiency:** Up to 80%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOIC-8  
- **Regulation Type:** PWM (Pulse Width Modulation)  
- **Protection Features:**  
  - Thermal shutdown  
  - Current limiting  

### **Descriptions:**  
The LM2594M-12/NOPB is a monolithic integrated circuit that provides all active functions for a step-down switching regulator. It is designed for easy implementation and requires minimal external components. The fixed 12V output version simplifies design by eliminating the need for external feedback resistors.  

### **Features:**  
- Simple and easy-to-use buck regulator  
- Requires only 4 external components  
- Low standby current (50 µA typical)  
- Internal frequency compensation  
- Adjustable soft-start capability  
- Available in fixed or adjustable output versions  
- Overcurrent and overtemperature protection  

This regulator is commonly used in power supply applications for industrial, automotive, and consumer electronics.

Application Scenarios & Design Considerations

SIMPLE SWITCHER? 40V, 500mA Low Component Count Step-Down Regulator 8-SOIC -40 to 125

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