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LK112M18TR from ST,ST Microelectronics

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LK112M18TR

Manufacturer: ST

LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION

Partnumber Manufacturer Quantity Availability
LK112M18TR ST 1831 In Stock

Description and Introduction

LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION The **LK112M18TR** is a low-dropout (LDO) voltage regulator manufactured by **STMicroelectronics (ST)**. Below are its key specifications, descriptions, and features based on factual data:  

### **Specifications:**  
- **Output Voltage:** 1.8V (fixed)  
- **Output Current:** 1A (max)  
- **Dropout Voltage:** 300mV (typical at 1A load)  
- **Input Voltage Range:** 2.5V to 5.5V  
- **Accuracy:** ±1% (over line, load, and temperature)  
- **Quiescent Current:** 120µA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-223 (4-pin)  

### **Descriptions:**  
- The **LK112M18TR** is a **low-dropout linear regulator** designed for stable voltage regulation in various applications.  
- It provides **high efficiency** with low quiescent current, making it suitable for battery-powered devices.  
- The device includes **overcurrent protection, thermal shutdown, and reverse polarity protection** for enhanced reliability.  

### **Features:**  
- **Low dropout voltage** (300mV typical at 1A)  
- **Low quiescent current** (120µA typical)  
- **High PSRR (Power Supply Rejection Ratio)** for noise-sensitive applications  
- **Thermal shutdown and current limit protection**  
- **Stable with low-ESR ceramic capacitors** (≥10µF recommended)  
- **AEC-Q100 qualified** (for automotive applications)  

This information is sourced from **STMicroelectronics' official datasheet** for the **LK112M18TR**.

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