Space Saving 800mA Low-Dropout Linear Regulator with Internal Current Limit 3-TO-252 0 to 125 The LM1117DTX-3.3/NOPB is a low-dropout (LDO) linear voltage regulator manufactured by National Semiconductor (NSC). Here are its specifications, descriptions, and features:

### **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:** TO-252 (DPAK)  
- **Mounting Type:** Surface Mount  

### **Descriptions:**
- The LM1117DTX-3.3/NOPB is a fixed-output LDO regulator designed to provide a stable 3.3V output.  
- It includes current limiting and thermal shutdown protection.  
- Suitable for battery-powered and low-power applications.  

### **Features:**
- **Low Dropout Voltage:** Ensures efficient regulation even with small input-output differentials.  
- **High Accuracy:** ±1% output voltage tolerance.  
- **Thermal Protection:** Prevents damage due to overheating.  
- **Current Limiting:** Protects the regulator and load from excessive current.  
- **Stable with Low-ESR Capacitors:** Works with ceramic or tantalum capacitors for stability.  

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

Space Saving 800mA Low-Dropout Linear Regulator with Internal Current Limit 3-TO-252 0 to 125