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LM2937ET-3.3 from NSC,National Semiconductor

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LM2937ET-3.3

Manufacturer: NSC

400mA and 500mA Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2937ET-3.3,LM2937ET33 NSC 18 In Stock

Description and Introduction

400mA and 500mA Voltage Regulator The LM2937ET-3.3 is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** Up to 500mA  
- **Dropout Voltage:** 0.5V (typical at full load)  
- **Input Voltage Range:** 4.75V to 26V  
- **Line Regulation:** 0.2% (typical)  
- **Load Regulation:** 0.4% (typical)  
- **Quiescent Current:** 10mA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-220 (5-pin)  

### **Descriptions:**  
The LM2937ET-3.3 is a positive voltage regulator designed to provide a stable 3.3V output with low dropout voltage. It is suitable for battery-powered applications and features reverse battery protection, thermal shutdown, and current limiting.  

### **Features:**  
- Low dropout voltage (0.5V typical at full load)  
- Reverse battery protection  
- Internal thermal shutdown  
- Short-circuit protection  
- No external components required for fixed output  
- Stable with low-ESR capacitors  

This information is sourced from the manufacturer's datasheet.

Application Scenarios & Design Considerations

400mA and 500mA Voltage Regulator

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