Space Saving 800mA Low-Dropout Linear Regulator with Internal Current Limit 3-TO-220 0 to 125 The LM1117T-2.5/NOPB is a low-dropout linear regulator manufactured by National Semiconductor (NSC). Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Output Voltage:** 2.5V (fixed)  
- **Output Current:** 800mA  
- **Dropout Voltage:** 1.2V (typical at 800mA load)  
- **Line Regulation:** 0.2% (typical)  
- **Load Regulation:** 0.4% (typical)  
- **Operating Temperature Range:** 0°C to 125°C  
- **Package Type:** TO-220  
- **Input Voltage Range:** Up to 15V  
- **Quiescent Current:** 5mA (typical)  
- **Protection Features:** Overcurrent and thermal shutdown  

### **Descriptions:**  
- The LM1117T-2.5/NOPB is a fixed-output voltage regulator designed for low-dropout applications.  
- It provides stable voltage regulation with minimal power dissipation.  
- Suitable for battery-powered devices, industrial controls, and consumer electronics.  

### **Features:**  
- **Low Dropout Voltage:** Ensures efficient operation even with small input-output differentials.  
- **Fixed Output Voltage:** Eliminates the need for external resistors.  
- **Thermal and Overcurrent Protection:** Enhances reliability under fault conditions.  
- **Stable with Low-ESR Capacitors:** Works with ceramic or tantalum capacitors for output stability.  
- **TO-220 Package:** Provides robust thermal performance.  

This information is based on the manufacturer's datasheet.

Space Saving 800mA Low-Dropout Linear Regulator with Internal Current Limit 3-TO-220 0 to 125