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LK112M55TR from STMICROELECT,ST Microelectronics

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LK112M55TR

Manufacturer: STMICROELECT

LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION

Partnumber Manufacturer Quantity Availability
LK112M55TR STMICROELECT 39858 In Stock

Description and Introduction

LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION The **LK112M55TR** is a low-dropout (LDO) voltage regulator manufactured by **STMicroelectronics (STMicro)**. Below are its key specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Output Voltage:** 5.5V (fixed)  
- **Output Current:** 150mA (max)  
- **Dropout Voltage:** 120mV (typical at 100mA load)  
- **Input Voltage Range:** Up to 16V  
- **Quiescent Current:** 1.5µA (typical in standby mode)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5L  

### **Descriptions:**  
- The **LK112M55TR** is a low-power LDO regulator designed for battery-powered applications.  
- It features very low quiescent current, making it suitable for always-on systems.  
- Includes built-in protection features such as thermal shutdown and current limiting.  

### **Features:**  
- **Ultra-Low Quiescent Current:** Ideal for power-sensitive applications.  
- **Low Dropout Voltage:** Ensures efficient operation even with small input-output differentials.  
- **Wide Input Voltage Range:** Supports up to 16V input.  
- **Thermal Shutdown & Current Limit Protection:** Enhances reliability.  
- **Small Footprint:** SOT-23-5L package for space-constrained designs.  

This information is strictly based on the manufacturer's datasheet for the **LK112M55TR** from **STMicroelectronics**.

Partnumber Manufacturer Quantity Availability
LK112M55TR STM 3000 In Stock

Description and Introduction

LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION The **LK112M55TR** is a low-dropout (LDO) voltage regulator manufactured by **STMicroelectronics (STM)**. Below are its key specifications, descriptions, and features based on factual data:

### **Specifications:**  
- **Output Voltage:** 5.5V (fixed)  
- **Output Current:** 150mA  
- **Dropout Voltage:** 300mV (typical at full load)  
- **Input Voltage Range:** Up to 16V  
- **Quiescent Current:** 1.5mA (typical)  
- **Line Regulation:** 0.05%/V (typical)  
- **Load Regulation:** 10mV (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5L  

### **Descriptions:**  
- The **LK112M55TR** is a low-dropout linear regulator designed for stable voltage regulation in low-power applications.  
- It features low quiescent current and is suitable for battery-powered devices.  
- Includes built-in protection against **overcurrent, thermal shutdown, and reverse polarity**.  

### **Features:**  
- **Low Dropout Voltage** (300mV typical at full load)  
- **Low Quiescent Current** (1.5mA typical)  
- **Wide Input Voltage Range** (up to 16V)  
- **Fixed Output Voltage** (5.5V)  
- **Thermal Shutdown Protection**  
- **Short-Circuit Protection**  
- **Reverse Polarity Protection**  
- **Compact SOT-23-5L Package**  

This regulator is commonly used in **portable electronics, automotive systems, and industrial applications** requiring stable voltage regulation.  

(Source: STMicroelectronics datasheet for LK112M55TR.)

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