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IRU1117 from SILICONIX

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IRU1117

Manufacturer: SILICONIX, IR, IOR

800mA LOW DROPOUT POSITIVE ADJUSTABLE REGULATOR

Partnumber Manufacturer Quantity Availability
IRU1117 SILICONIX, IR, IOR 32512 In Stock

Description and Introduction

800mA LOW DROPOUT POSITIVE ADJUSTABLE REGULATOR The IRU1117 is a low dropout voltage regulator manufactured by **SILICONIX** (a subsidiary of Vishay). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Output Voltage Options:** Fixed (1.8V, 2.5V, 2.85V, 3.3V, 5V) or Adjustable (1.25V to 12V).  
- **Output Current:** Up to **1A**.  
- **Dropout Voltage:** Typically **1.1V at 800mA** load.  
- **Input Voltage Range:** Up to **15V** (fixed), **20V** (adjustable).  
- **Line Regulation:** **0.2%** (typical).  
- **Load Regulation:** **0.4%** (typical).  
- **Operating Temperature Range:** **-40°C to +125°C**.  
- **Package Options:** TO-252 (DPAK), TO-263 (D2PAK), TO-220.  

### **Descriptions:**  
- The **IRU1117** is a **positive voltage regulator** designed for applications requiring stable power supply with low dropout voltage.  
- It includes **overcurrent protection** and **thermal shutdown** for enhanced reliability.  
- Suitable for **battery-powered devices, embedded systems, and industrial applications**.  

### **Features:**  
- **Low dropout voltage** (1.1V typical at 800mA).  
- **High accuracy output voltage (±1% for fixed versions).**  
- **Thermal overload protection.**  
- **Short-circuit current limiting.**  
- **Adjustable version allows custom output voltage.**  
- **Available in surface-mount and through-hole packages.**  

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

Application Scenarios & Design Considerations

800mA LOW DROPOUT POSITIVE ADJUSTABLE REGULATOR

Alternative Part Number

  • LM1117 --: Pin-compatible 800mA low-dropout linear regulator with the same 1117 topology and adjustable/fixed options, widely available and a direct functional replacement.
  • AMS1117 --: Very common 1A LDO regulator in the same 1117 family footprint, offering comparable dropout and current ratings at low cost.
  • LD1117 --: 1A low-dropout regulator with matching pinout and electrical characteristics, a well-established alternative for 1117-type applications.

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