Space Saving 800mA Low-Dropout Linear Regulator with Internal Current Limit 3-TO-252 -40 to 125 The LM1117IDT-ADJ/NOPB is a low dropout voltage regulator manufactured by Texas Instruments (NS).  

### **Specifications:**  
- **Output Voltage:** Adjustable (1.25V to 13.8V)  
- **Output Current:** 800mA  
- **Dropout Voltage:** 1.2V (typical at 800mA load)  
- **Line Regulation:** 0.2% (typical)  
- **Load Regulation:** 0.4% (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-223 (4-pin)  

### **Descriptions:**  
The LM1117IDT-ADJ/NOPB is an adjustable voltage regulator with low dropout voltage, designed for various applications requiring stable power supply. It includes features like current limiting and thermal shutdown for protection.  

### **Features:**  
- Adjustable output voltage  
- Low dropout voltage  
- Current limiting and thermal protection  
- Stable with low-ESR capacitors  
- Available in multiple package options  

This regulator is commonly used in battery-powered devices, industrial systems, and consumer electronics.  

(Note: "NS" refers to National Semiconductor, which was acquired by Texas Instruments.)

Space Saving 800mA Low-Dropout Linear Regulator with Internal Current Limit 3-TO-252 -40 to 125