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LM2937IMPX-3.3 from NS Pb-free,National Semiconductor

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LM2937IMPX-3.3

Manufacturer: NS Pb-free

400mA and 500mA Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2937IMPX-3.3,LM2937IMPX33 NS Pb-free 1000 In Stock

Description and Introduction

400mA and 500mA Voltage Regulator The LM2937IMPX-3.3 is a low-dropout voltage regulator manufactured by National Semiconductor (NS). Below are the factual details from Ic-phoenix technical data files:

### **Manufacturer:**  
- **NS (National Semiconductor)**  

### **Pb-Free Specifications:**  
- The part is **Pb-free (Lead-free)** and complies with RoHS (Restriction of Hazardous Substances) standards.  

### **Descriptions:**  
- The LM2937IMPX-3.3 is a **3.3V, 500mA low-dropout (LDO) voltage regulator**.  
- It is designed for **battery-powered applications** and provides stable output voltage with low quiescent current.  
- Features **reverse battery protection, thermal shutdown, and current limiting**.  
- Available in a **SOT-223 package**.  

### **Features:**  
- **Output Voltage:** 3.3V (±4% tolerance)  
- **Output Current:** 500mA  
- **Low Dropout Voltage:** 0.5V (typical at full load)  
- **Input Voltage Range:** Up to 26V  
- **Low Quiescent Current:** 10mA (typical)  
- **Protection Features:**  
  - Thermal shutdown  
  - Current limiting  
  - Reverse battery protection  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Type:** SOT-223  

This information is strictly based on the provided knowledge base.

Application Scenarios & Design Considerations

400mA and 500mA Voltage Regulator

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