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L4940D2T5 from ST,ST Microelectronics

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L4940D2T5

Manufacturer: ST

VERY LOW DROP 1.5 A REGULATORS

Partnumber Manufacturer Quantity Availability
L4940D2T5 ST 836 In Stock

Description and Introduction

VERY LOW DROP 1.5 A REGULATORS The L4940D2T5 is a low-dropout (LDO) voltage regulator manufactured by STMicroelectronics. Below are its key specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Input Voltage Range:** Up to 28V  
- **Output Voltage Options:** Fixed (e.g., 5V, 3.3V, and other variants)  
- **Output Current:** 1.5A  
- **Dropout Voltage:** Typically 0.4V at full load  
- **Line Regulation:** 0.04% (typical)  
- **Load Regulation:** 0.2% (typical)  
- **Quiescent Current:** 10mA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-220-5 (through-hole)  

### **Descriptions:**  
- The L4940D2T5 is a monolithic integrated LDO voltage regulator designed for high-performance applications.  
- It includes built-in protection features such as thermal shutdown, short-circuit protection, and reverse polarity protection.  
- Suitable for automotive, industrial, and consumer electronics applications.  

### **Features:**  
- **Low Dropout Voltage:** Ensures efficient regulation even with small input-output differentials.  
- **High Output Current:** Supports up to 1.5A continuous current.  
- **Thermal Protection:** Automatic shutdown in case of excessive temperature.  
- **Short-Circuit Protection:** Safeguards against output shorts.  
- **Reverse Polarity Protection:** Prevents damage from incorrect power supply connections.  
- **Low Quiescent Current:** Enhances efficiency in standby modes.  

This information is based on STMicroelectronics' official datasheet for the L4940D2T5. For detailed electrical characteristics, refer to the manufacturer's documentation.

Application Scenarios & Design Considerations

VERY LOW DROP 1.5 A REGULATORS

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