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LD1117DT-3.3 from ST,ST Microelectronics

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LD1117DT-3.3

Manufacturer: ST

Low drop fixed positive voltage regulator, 3.3V

Partnumber Manufacturer Quantity Availability
LD1117DT-3.3,LD1117DT33 ST 1220 In Stock

Description and Introduction

Low drop fixed positive voltage regulator, 3.3V The LD1117DT-3.3 is a low dropout voltage regulator manufactured by STMicroelectronics (ST). Below are its specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** Up to 800mA  
- **Dropout Voltage:** 1.1V (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)  

### **Descriptions:**
- The LD1117DT-3.3 is a positive voltage regulator designed to provide a stable 3.3V output.  
- It is suitable for applications requiring low dropout voltage and high current capability.  
- The device includes overcurrent and thermal protection for enhanced reliability.  

### **Features:**
- **Low Dropout Voltage:** Ensures efficient regulation even with small voltage differences between input and output.  
- **High Current Capability:** Supports up to 800mA output current.  
- **Thermal Overload Protection:** Safeguards the regulator from overheating.  
- **Short-Circuit Protection:** Prevents damage in case of output short-circuit conditions.  
- **Stable with Low-ESR Capacitors:** Works reliably with ceramic or tantalum capacitors.  

This regulator is commonly used in power supply circuits for microcontrollers, embedded systems, and other low-voltage applications.

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