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LK112M21TR from ST,ST Microelectronics

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LK112M21TR

Manufacturer: ST

LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION

Partnumber Manufacturer Quantity Availability
LK112M21TR ST 3000 In Stock

Description and Introduction

LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION The part **LK112M21TR** is a low-dropout (LDO) voltage regulator manufactured by **STMicroelectronics (ST)**. Below are its key specifications, descriptions, and features based on factual information:  

### **Specifications:**  
- **Output Voltage:** 2.1V (fixed)  
- **Output Current:** 500mA  
- **Dropout Voltage:** 300mV (typical at full load)  
- **Input Voltage Range:** 2.5V to 5.5V  
- **Quiescent Current:** 75µA (typical)  
- **Line Regulation:** 0.05%/V (typical)  
- **Load Regulation:** 0.4%/A (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5L  

### **Descriptions:**  
- The **LK112M21TR** is a low-dropout linear regulator designed for battery-powered applications.  
- It provides a stable 2.1V output with high accuracy (±2%).  
- Suitable for portable devices, IoT, and embedded systems requiring low power consumption.  

### **Features:**  
- **Low Dropout Voltage:** Ensures efficient operation even with small input-output differentials.  
- **Low Quiescent Current:** Extends battery life in power-sensitive applications.  
- **Thermal Shutdown & Current Limit Protection:** Enhances reliability under fault conditions.  
- **Stable with Low-ESR Capacitors:** Works with ceramic capacitors (≥1µF).  
- **Fast Transient Response:** Suitable for dynamic load conditions.  

For exact details, refer to the official **STMicroelectronics datasheet**.

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