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LM2937ES-3.3

400mA and 500mA Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2937ES-3.3,LM2937ES33 100 In Stock

Description and Introduction

400mA and 500mA Voltage Regulator The LM2937ES-3.3 is a low-dropout voltage regulator manufactured by Texas Instruments. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Manufacturer Specifications:**  
- **Manufacturer:** Texas Instruments  
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** 500mA  
- **Dropout Voltage:** 0.5V (typical at full load)  
- **Input Voltage Range:** Up to 26V  
- **Line Regulation:** 0.2% (typical)  
- **Load Regulation:** 0.4% (typical)  
- **Quiescent Current:** 10mA (typical)  
- **Package Type:** TO-263 (DDPAK/TO-263-5)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Protection Features:** Overcurrent protection, thermal shutdown  

### **Descriptions:**  
The LM2937ES-3.3 is a low-dropout (LDO) voltage regulator designed to provide a stable 3.3V output with a maximum current of 500mA. It is suitable for applications requiring a regulated power supply with minimal dropout voltage. The device includes built-in protection against overcurrent and excessive temperature.  

### **Features:**  
- **Low Dropout Voltage:** 0.5V typical at full load  
- **High Accuracy Output:** ±2% over line and load conditions  
- **Wide Input Voltage Range:** Up to 26V  
- **Thermal Shutdown Protection:** Prevents damage from overheating  
- **Overcurrent Protection:** Safeguards against excessive load currents  
- **Stable with Low-ESR Capacitors:** Works with ceramic or tantalum output capacitors  
- **Low Quiescent Current:** 10mA typical  

This information is based solely on the manufacturer's datasheet and specifications.

Application Scenarios & Design Considerations

400mA and 500mA Voltage Regulator

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