LK112M21TR Product Overview

Introduction

The LK112M21TR is a versatile integrated circuit that belongs to the category of voltage regulators. This component is widely used in electronic devices to provide stable and regulated power supply, ensuring the proper functioning of various electronic components.

Basic Information Overview

• Category: Voltage Regulator
• Use: Providing stable and regulated power supply
• Characteristics: High efficiency, low dropout voltage, compact size
• Package: TO-252, TO-220, DPAK
• Essence: Regulating voltage for electronic devices
• Packaging/Quantity: Typically available in reels or tubes containing multiple units

Specifications

The LK112M21TR features the following specifications: - Input Voltage Range: 4.75V to 18V - Output Voltage Range: 1.2V to 15V - Maximum Output Current: 500mA - Dropout Voltage: 300mV at 500mA - Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The pin configuration of the LK112M21TR is as follows: 1. VIN (Input Voltage) 2. GND (Ground) 3. VOUT (Output Voltage)

Functional Features

• Voltage Regulation: The LK112M21TR ensures a stable output voltage regardless of variations in the input voltage.
• Low Dropout: With a low dropout voltage, it can maintain regulation even when the input voltage is close to the output voltage.
• Thermal Shutdown: Incorporates thermal shutdown protection to prevent damage from excessive heat.

Advantages and Disadvantages

Advantages

• Compact size
• High efficiency
• Wide input voltage range

Disadvantages

• Limited maximum output current
• Sensitive to improper heat dissipation

Working Principles

The LK112M21TR operates based on the principle of feedback control, where it compares the actual output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage.

Detailed Application Field Plans

The LK112M21TR finds extensive application in various electronic devices, including: - Battery-powered devices - Portable consumer electronics - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the LK112M21TR include: - LM317 - LM1117 - XC6206

In conclusion, the LK112M21TR is a reliable voltage regulator with a wide range of applications, offering stable and regulated power supply for electronic devices.

Word count: 366