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LM337M

Manufacturer: NSC, NS

MEDIUM CURRENT THREE-TERMINAL ADJUSTABLE NEGATIVE VOLTAGE REGULATOR
Partnumber Manufacturer Quantity Availability
LM337M NSC, NS 2630 In Stock

Description and Introduction

MEDIUM CURRENT THREE-TERMINAL ADJUSTABLE NEGATIVE VOLTAGE REGULATOR The LM337M is a negative voltage regulator manufactured by National Semiconductor (NS). Here are its key specifications, descriptions, and features:

### **Specifications:**  
- **Output Voltage Range:** -1.2V to -37V  
- **Output Current:** 500mA (maximum)  
- **Input-Output Voltage Differential (Dropout Voltage):** 2V (typical)  
- **Line Regulation:** 0.01%/V (typical)  
- **Load Regulation:** 0.3% (typical)  
- **Operating Temperature Range:** 0°C to +125°C  
- **Package:** SOIC-8  

### **Descriptions:**  
- The LM337M is an adjustable negative voltage regulator that provides a stable output voltage with high accuracy.  
- It requires only two external resistors to set the output voltage.  
- Designed for applications requiring precise negative voltage regulation.  

### **Features:**  
- **Adjustable Output:** Voltage can be set using external resistors.  
- **Thermal Overload Protection:** Shuts down if excessive temperature is detected.  
- **Short-Circuit Protection:** Safeguards against output short circuits.  
- **Low Standby Current:** Typically 5mA.  
- **High Ripple Rejection:** Reduces input noise for cleaner output.  

This information is based on the manufacturer's datasheet for the LM337M by National Semiconductor.

Application Scenarios & Design Considerations

MEDIUM CURRENT THREE-TERMINAL ADJUSTABLE NEGATIVE VOLTAGE REGULATOR

Alternative Part Number

  • LT337 --: Negative adjustable linear regulator with the same -1.2V to -37V range and 1.5A-class current, pin-compatible TO-220/TO-3 options, and a different series prefix for easy distinction.
  • MC337T --: Classic negative adjustable voltage regulator equivalent to the LM337 family, same TO-220 package and -1.2V to -37V output, widely available as a drop-in replacement.
  • L337 --: Negative adjustable regulator offering the same electrical function and package options as the LM337M, with a distinct naming prefix and good availability.
  • LM337 --: Standard negative adjustable regulator from a different manufacturer, functionally equivalent and readily available.
  • LM337T --: Same LM337 negative adjustable regulator family in a TO-220 package, widely available and a direct functional replacement for the LM337M.
  • MC337 --: Alternative negative adjustable regulator offering similar voltage and current ratings, usable in the same application with minor design checks.

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