VERY LOW DROP 1.5 A REGULATORS The L4940V12 is a low-drop voltage regulator manufactured by STMicroelectronics. Here are its key specifications, descriptions, and features:

### **Specifications:**  
- **Output Voltage:** 12V  
- **Output Current:** Up to 1.5A  
- **Dropout Voltage:** Typically 0.5V at full load  
- **Input Voltage Range:** Up to 28V  
- **Line Regulation:** 0.07% (Typical)  
- **Load Regulation:** 0.2% (Typical)  
- **Quiescent Current:** 10mA (Typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-220, D²PAK  

### **Descriptions:**  
- The L4940V12 is a fixed-output voltage regulator designed for applications requiring stable 12V power.  
- It features low dropout voltage, making it suitable for battery-powered systems.  
- Includes built-in protections such as thermal shutdown, short-circuit protection, and current limiting.  

### **Features:**  
- **Low Dropout Voltage** (0.5V typical at full load)  
- **High Output Current Capability** (1.5A)  
- **Thermal Protection**  
- **Short-Circuit Protection**  
- **Reverse Polarity Protection**  
- **Low Quiescent Current**  
- **Stable with Low-ESR Capacitors**  

This regulator is commonly used in automotive, industrial, and consumer electronics applications.

VERY LOW DROP 1.5 A REGULATORS