Space Saving 800mA Low-Dropout Linear Regulator with Internal Current Limit 4-SOT-223 0 to 125 The LM1117MPX-3.3/NOPB is a low-dropout (LDO) linear voltage regulator manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** 800mA  
- **Dropout Voltage:** 1.2V (typical at 800mA load)  
- **Input Voltage Range:** Up to 15V  
- **Line Regulation:** 0.2% (typical)  
- **Load Regulation:** 0.4% (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-223 (MPX)  
- **Protection Features:** Thermal shutdown, current limit  

### **Descriptions & Features:**  
- Designed for low-dropout applications  
- Stable with low-ESR ceramic capacitors (≥10µF)  
- Low quiescent current (5mA typical)  
- High accuracy (±1% over line and load conditions)  
- Suitable for battery-powered and industrial applications  
- Lead-free and RoHS compliant  

This regulator is commonly used in power management for microcontrollers, FPGAs, and other low-voltage digital circuits.

Space Saving 800mA Low-Dropout Linear Regulator with Internal Current Limit 4-SOT-223 0 to 125