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LM2937IMP-3.3 from NATIONAL,National Semiconductor

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LM2937IMP-3.3

Manufacturer: NATIONAL

400mA and 500mA Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2937IMP-3.3,LM2937IMP33 NATIONAL 1000 In Stock

Description and Introduction

400mA and 500mA Voltage Regulator The LM2937IMP-3.3 is a low-dropout voltage regulator manufactured by National Semiconductor (now part of Texas Instruments).  

### **Specifications:**  
- **Output Voltage:** 3.3V  
- **Maximum Input Voltage:** 26V  
- **Output Current:** 500mA  
- **Dropout Voltage:** 0.5V (typical at full load)  
- **Line Regulation:** 0.3% (typical)  
- **Load Regulation:** 0.4% (typical)  
- **Quiescent Current:** 10mA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-252 (DPAK)  

### **Descriptions and Features:**  
- Designed for low-power applications requiring a stable 3.3V supply.  
- Includes reverse battery protection, thermal shutdown, and current limiting.  
- Low dropout voltage ensures efficient operation with minimal input-output differential.  
- Suitable for automotive and industrial applications due to its wide operating temperature range.  
- Requires only a small output capacitor for stability.  
- Overcurrent and overtemperature protection enhance reliability.  

This regulator is commonly used in battery-powered devices, embedded systems, and other applications requiring a regulated 3.3V supply.

Application Scenarios & Design Considerations

400mA and 500mA Voltage Regulator

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