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LM2937IMP-3.3NOPB from NSC,National Semiconductor

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LM2937IMP-3.3NOPB

Manufacturer: NSC

400mA and 500mA Voltage Regulator 4-SOT-223 -40 to 85

Partnumber Manufacturer Quantity Availability
LM2937IMP-3.3NOPB,LM2937IMP33NOPB NSC 5000 In Stock

Description and Introduction

400mA and 500mA Voltage Regulator 4-SOT-223 -40 to 85 The LM2937IMP-3.3NOPB is a low-dropout voltage regulator manufactured by National Semiconductor (NSC). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **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-252 (DPAK)  

### **Descriptions:**  
- The LM2937IMP-3.3NOPB is a positive voltage regulator designed to provide a stable 3.3V output with low dropout voltage.  
- It includes features such as reverse battery protection, thermal shutdown, and current limiting for enhanced reliability.  
- Suitable for battery-powered applications, automotive systems, and industrial controls.  

### **Features:**  
- **Low Dropout Voltage:** Ensures efficient regulation even when the input voltage is close to the output.  
- **Reverse Battery Protection:** Safeguards against damage from incorrect battery connections.  
- **Thermal Shutdown:** Prevents overheating by shutting down the regulator if the temperature exceeds safe limits.  
- **Current Limiting:** Protects the regulator and load from excessive current.  
- **Stable with Low-ESR Capacitors:** Works reliably with ceramic or tantalum output capacitors.  

This information is strictly based on the manufacturer's datasheet and does not include any additional recommendations or guidance.

Application Scenarios & Design Considerations

400mA and 500mA Voltage Regulator 4-SOT-223 -40 to 85

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