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LK112M80TR from STM,ST Microelectronics

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LK112M80TR

Manufacturer: STM, ST

LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION

Partnumber Manufacturer Quantity Availability
LK112M80TR STM, ST 770 In Stock

Description and Introduction

LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION The part **LK112M80TR** is a low-dropout (LDO) voltage regulator manufactured by **STMicroelectronics (STM)**. Below are its key specifications, descriptions, and features based on available data:

### **Specifications:**  
- **Output Voltage:** 1.2V (fixed)  
- **Output Current:** 800mA (max)  
- **Dropout Voltage:** 340mV (typical at 800mA load)  
- **Input Voltage Range:** 1.5V to 5.5V  
- **Low Quiescent Current:** 75µA (typical)  
- **High PSRR:** 75dB at 1kHz  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** DFN6 (2x2 mm)  

### **Descriptions:**  
- A **low-noise, low-dropout linear regulator** designed for portable and battery-powered applications.  
- Provides stable voltage with minimal power loss, suitable for powering sensitive analog/digital circuits.  
- Includes **thermal shutdown and current limit protection** for reliability.  

### **Features:**  
- **Ultra-low dropout voltage** for efficient operation.  
- **Low quiescent current** extends battery life.  
- **Excellent line/load transient response.**  
- **Stable with small ceramic capacitors (1µF or higher).**  
- **AEC-Q100 qualified** for automotive applications.  

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

Application Scenarios & Design Considerations

LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION

Alternative Part Number

  • LP2985AIM5-8.0 --: Low-dropout linear regulator with 8.0V fixed output in SOT-23-5, similar current capability and pinout, widely available and a direct functional substitute.
  • MIC5205-8.0YM5 --: 8.0V fixed LDO regulator in SOT-23-5 with comparable dropout and load current, suitable drop-in replacement for the LK112M80TR.
  • AP2112K-8.0TRG1 --: 8.0V fixed-output LDO in SOT-23-5 with low quiescent current and similar electrical ratings, offering a cost-effective alternative.

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