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LK112M40TR from STM,ST Microelectronics

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LK112M40TR

Manufacturer: STM

LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION

Partnumber Manufacturer Quantity Availability
LK112M40TR STM 2775 In Stock

Description and Introduction

LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION The **LK112M40TR** is a low-dropout (LDO) voltage regulator manufactured by **STMicroelectronics (STM)**. Below are its key specifications, descriptions, and features based on factual data:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 40V  
- **Output Voltage:** 1.2V (fixed)  
- **Output Current:** 150mA (max)  
- **Dropout Voltage:** 300mV (typical at 150mA)  
- **Line Regulation:** 0.2mV (typical)  
- **Load Regulation:** 2mV (typical)  
- **Quiescent Current:** 1.5mA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-223  

### **Descriptions:**  
- The **LK112M40TR** is a low-dropout linear regulator designed for applications requiring stable voltage with high input voltage tolerance.  
- It features built-in thermal shutdown and current limit protection.  
- Suitable for automotive, industrial, and consumer electronics applications.  

### **Features:**  
- **Wide Input Voltage Range (4.5V–40V)**  
- **Low Dropout Voltage (300mV typical at 150mA)**  
- **Low Quiescent Current (1.5mA typical)**  
- **Fixed Output Voltage (1.2V)**  
- **Thermal Shutdown Protection**  
- **Current Limiting Protection**  
- **Stable with Low-ESR Capacitors**  

This information is sourced from STMicroelectronics' official documentation.

Partnumber Manufacturer Quantity Availability
LK112M40TR ST 1200 In Stock

Description and Introduction

LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION The **LK112M40TR** 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:** 1.2V (fixed)  
- **Output Current:** 150mA  
- **Input Voltage Range:** 1.5V to 5.5V  
- **Dropout Voltage:** 120mV (typical at 100mA load)  
- **Quiescent Current:** 40µA (typical)  
- **Line Regulation:** 0.05%/V (typical)  
- **Load Regulation:** 0.4mV/mA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT23-5L  

### **Descriptions:**  
- The **LK112M40TR** is a low-power LDO regulator designed for battery-powered applications.  
- It provides a stable 1.2V output with low dropout voltage, making it suitable for power-sensitive designs.  
- The device includes built-in protection features such as thermal shutdown and current limiting.  

### **Features:**  
- **Low Dropout Voltage:** Ensures efficient operation even with small input-output differentials.  
- **Low Quiescent Current:** Ideal for battery-operated devices to extend battery life.  
- **Stable with Low ESR Capacitors:** Works reliably with ceramic capacitors (≥1µF).  
- **Thermal Shutdown Protection:** Prevents damage from overheating.  
- **Current Limiting:** Protects against excessive load conditions.  
- **Small Form Factor:** SOT23-5L package for space-constrained applications.  

This information is sourced from STMicroelectronics' official documentation. For detailed technical data, refer to the **LK112M40TR datasheet**.

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