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LM1117T-3.3 from NSC,National Semiconductor

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LM1117T-3.3

Manufacturer: NSC

800mA Low-Dropout Linear Regulator

Partnumber Manufacturer Quantity Availability
LM1117T-3.3,LM1117T33 NSC 1 In Stock

Description and Introduction

800mA Low-Dropout Linear Regulator The LM1117T-3.3 is a low dropout voltage regulator manufactured by National Semiconductor (NSC). Below are its specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** Up to 800mA  
- **Dropout Voltage:** 1.2V (typical at 800mA load)  
- **Input Voltage Range:** 4.75V to 15V  
- **Line Regulation:** 0.2% (typical)  
- **Load Regulation:** 0.4% (typical)  
- **Operating Temperature Range:** 0°C to 125°C  
- **Package Type:** TO-220  
- **Thermal Resistance (Junction-to-Ambient):** 65°C/W (TO-220)  

### **Descriptions:**
- The LM1117T-3.3 is a fixed-output, low dropout linear voltage regulator designed to provide a stable 3.3V output.  
- It includes current limiting and thermal shutdown protection for enhanced reliability.  
- Suitable for battery-powered and industrial applications requiring efficient voltage regulation.  

### **Features:**
- **Low Dropout Voltage:** Ensures efficient operation with minimal input-output differential.  
- **High Accuracy:** ±1% output voltage tolerance.  
- **Thermal Overload Protection:** Prevents damage due to excessive heat.  
- **Short-Circuit Protection:** Safeguards against output shorts.  
- **Stable with Low-ESR Capacitors:** Works with ceramic or tantalum capacitors (minimum 10µF recommended).  
- **Available in Fixed and Adjustable Versions:** LM1117 series includes multiple fixed voltages (1.8V, 2.5V, 3.3V, 5V) and an adjustable version.  

This information is based on the manufacturer's datasheet for the LM1117T-3.3 by NSC.

Application Scenarios & Design Considerations

800mA Low-Dropout Linear Regulator

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