LM2842XMK-ADJL

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LM2842XMK-ADJL

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Switching Voltage Regulators

  • HerstellerTexas Instruments

  • Herstellerteil #LM2842XMK-ADJL

  • Auf Lager5676

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Description

The LM2842XMK-ADJL is a step-down DC-DC converter designed by Texas Instruments for efficient voltage regulation in electronic circuits. It is part of the LM2842 family, known for its high-performance, compact size, and ability to deliver a stable output. This converter operates with an input voltage range of 4.5V to 42V, making it versatile for various applications, including automotive, industrial, and consumer electronics.
The device can deliver up to 600mA of output current, with an adjustable output voltage that can be set as low as 0.8V. Its design includes a high switching frequency of 550 kHz, which allows for the use of small external components and contributes to a compact overall solution. The LM2842XMK-ADJL also features current mode control for fast transient response and integrated protection features such as thermal shutdown, cycle-by-cycle current limiting, and under-voltage lockout.
Overall, the LM2842XMK-ADJL is valued for its efficiency, reliability, and flexibility in various power management applications.

Equivalent

The LM2842XMK-ADJL is a step-down DC-DC converter from Texas Instruments. Equivalent products with similar specifications and functionality may include:
1. MIC4576 by Microchip Technology
2. LTC3639 by Analog Devices
3. LM2596 by Texas Instruments
4. MP2315 by Monolithic Power Systems
5. TPS62125 by Texas Instruments
It's important to check specific requirements like voltage, current, efficiency, and package compatibility when selecting equivalents.

Features

The LM2842XMK-ADJL is a step-down DC-DC converter from Texas Instruments, known for its efficiency and compact size. Key features include:
1. Wide Input Voltage Range: It supports an input voltage from 4.5V to 42V, making it versatile for various applications.

2. Output Voltage: The adjustable version allows output voltage from 0.8V to 30V, providing flexibility in design.
3. Efficiency: Designed for high efficiency, it typically operates efficiently across a range of loads.
4. Current Capability: It can supply up to 600mA of output current, suitable for many portable and industrial applications.
5. Switching Frequency: Operates at a fixed frequency of 550 kHz, allowing for small external components and less board space.
6. Protection Features: Includes over-temperature protection and current limit protection to enhance reliability.
7. Packaging: Available in a low-profile, space-saving SOT-23 package.
These features make the LM2842XMK-ADJL suitable for applications requiring efficient voltage conversion in a compact form factor.

Pinout

The LM2842XMK-ADJL is a DC-DC buck converter from Texas Instruments. It comes in a SOT-23-5 package, which means it has 5 pins. Here is a brief overview of the pin functions:
1. SW (Switch Pin): Connects to the inductor and is the switch node for the inductor current.
2. GND (Ground Pin): Ground return for the IC.
3. FB (Feedback Pin): Receives the feedback voltage from the output of the power supply to regulate the output voltage.
4. VIN (Input Voltage Pin): Supplies the input voltage to the regulator.
5. EN (Enable Pin): Used to enable or disable the device; pulling this pin high enables the device.
This device is typically used for step-down (buck) voltage regulation applications, providing a regulated output voltage from a higher input voltage source.

Manufacturer

The LM2842XMK-ADJL is manufactured by Texas Instruments (TI). Texas Instruments is a global technology company that designs and manufactures semiconductors and various integrated circuits. They are primarily known for their work in the development of analog chips and embedded processors, which are used in a wide array of applications across different industries, including automotive, industrial, personal electronics, and communications. TI is one of the largest semiconductor companies in the world and is recognized for its extensive product portfolio and innovation in electronics.

Application

The LM2842XMK-ADJL is a step-down DC-DC converter primarily used in applications requiring efficient power conversion with a low output voltage. Its typical application areas include:
1. Point-of-Load (POL) Regulators: For powering processors, FPGAs, and other digital ICs.
2. Battery-Powered Devices: Offering efficient power management to extend battery life.
3. Consumer Electronics: Such as set-top boxes and LCD displays.
4. Industrial and Automotive Systems: Providing reliable power conversion in harsh environments.
5. Communications Equipment: Ensuring stable power supply to networking devices.
Its compact size and high efficiency make it ideal for space-constrained and energy-sensitive applications.

Package

The LM2842XMK-ADJL is a DC-DC buck converter from Texas Instruments, typically housed in a SOT-23 (Small Outline Transistor) package. This compact package is ideal for space-constrained applications, offering efficient energy conversion with a fixed output voltage.

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