800mA Low Dropout Positive Regulators Adjustable and Fixed 2.85V, 3.3V, 5V The LT1117CST-3.3TR is a low dropout voltage regulator manufactured by Linear Technology (now part of Analog Devices).  

**Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** 800mA  
- **Dropout Voltage:** 1.2V (typical at full load)  
- **Input Voltage Range:** Up to 15V  
- **Line Regulation:** 0.2% (typical)  
- **Load Regulation:** 0.4% (typical)  
- **Quiescent Current:** 5mA (typical)  
- **Package:** SOT-223  
- **Operating Temperature Range:** 0°C to 125°C  

**Descriptions and Features:**  
- Low dropout voltage regulator designed for high-efficiency power management.  
- Stable with low ESR ceramic capacitors (≥10µF).  
- Includes current limit and thermal shutdown protection.  
- Available in fixed and adjustable output voltage versions.  
- Suitable for battery-powered and portable applications.  
- Lead-free and RoHS compliant.  

(Source: LT1117 datasheet, Linear Technology/Analog Devices)

800mA Low Dropout Positive Regulators Adjustable and Fixed 2.85V, 3.3V, 5V