LM250K

Product Overview

Category: Integrated Circuit (IC)

Use: LM250K is a voltage regulator IC primarily used for regulating and stabilizing the output voltage in electronic circuits.

Characteristics: - High precision voltage regulation - Low dropout voltage - Wide input voltage range - Thermal shutdown protection - Short circuit protection

Package: LM250K is available in a TO-3 metal can package, which provides excellent thermal dissipation properties.

Essence: The essence of LM250K lies in its ability to maintain a constant output voltage despite variations in input voltage and load conditions.

Packaging/Quantity: LM250K is typically sold in reels or tubes containing 25 units per package.

Specifications

Input Voltage Range: 4.5V to 40V
Output Voltage Range: 1.2V to 37V
Output Current: Up to 1.5A
Dropout Voltage: 0.5V (typical)
Quiescent Current: 10mA (typical)
Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

LM250K has a standard three-pin configuration:

Input Pin (VIN): This pin is connected to the input voltage source.
Output Pin (VOUT): The regulated output voltage is obtained from this pin.
Ground Pin (GND): This pin is connected to the ground reference.

Functional Features

Voltage Regulation: LM250K ensures a stable output voltage by compensating for changes in input voltage and load conditions.
Thermal Shutdown Protection: The IC incorporates a built-in thermal shutdown mechanism that protects it from overheating.
Short Circuit Protection: LM250K safeguards against short circuits, preventing damage to the IC and the connected circuitry.

Advantages and Disadvantages

Advantages: - High precision voltage regulation ensures accurate output. - Wide input voltage range allows for versatile applications. - Thermal shutdown protection prevents overheating and damage. - Short circuit protection enhances overall circuit reliability.

Disadvantages: - Limited output current capacity may restrict usage in high-power applications. - Dropout voltage of 0.5V may cause a slight voltage drop across the regulator.

Working Principles

LM250K operates on the principle of feedback control. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage. This is achieved through a combination of error amplification, voltage reference, and pass transistor.

Detailed Application Field Plans

LM250K finds extensive application in various electronic devices and systems, including: 1. Power supplies 2. Battery chargers 3. Automotive electronics 4. Industrial control systems 5. Audio amplifiers

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to LM250K are: 1. LM317: A popular adjustable voltage regulator IC. 2. LM7805: A fixed 5V voltage regulator IC. 3. LT1083: A high-current adjustable voltage regulator IC.

These alternatives can be considered based on specific requirements and design constraints.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LM250K v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LM250K in technical solutions:

Q: What is LM250K? A: LM250K is a gas turbine engine manufactured by General Electric (GE) that is commonly used in various technical applications.
Q: What are the main features of LM250K? A: The LM250K gas turbine engine offers high efficiency, reliability, and flexibility in power generation and mechanical drive applications.
Q: What are the typical power output capabilities of LM250K? A: The LM250K gas turbine can generate power ranging from 20 to 30 megawatts (MW), depending on the specific configuration and operating conditions.
Q: In what industries is LM250K commonly used? A: LM250K gas turbines find applications in industries such as oil and gas, power generation, marine propulsion, and industrial processes.
Q: How does LM250K contribute to power generation? A: LM250K gas turbines can be used in combined cycle power plants, where they provide the primary source of mechanical power to drive electricity generators.
Q: Can LM250K be used for cogeneration or combined heat and power (CHP) applications? A: Yes, LM250K gas turbines can be integrated into cogeneration systems to simultaneously produce electricity and useful thermal energy for heating or cooling purposes.
Q: What are the advantages of using LM250K in offshore applications? A: LM250K gas turbines offer compact design, high power density, and excellent load-following capabilities, making them suitable for offshore platforms and floating production units.
Q: Is LM250K environmentally friendly? A: LM250K gas turbines comply with stringent emissions regulations and can be equipped with advanced emission control technologies, ensuring reduced environmental impact.
Q: How is the maintenance and service of LM250K carried out? A: GE provides comprehensive maintenance and service support for LM250K gas turbines, including scheduled inspections, repairs, and access to spare parts.
Q: Can LM250K be integrated with digital monitoring and control systems? A: Yes, LM250K gas turbines can be connected to advanced digital solutions, enabling remote monitoring, predictive maintenance, and optimization of performance.

Please note that these answers are general and may vary depending on specific applications and configurations of LM250K gas turbines.