LM2587T-ADJ

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LM2587T-ADJ

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IC REG BST FLYBCK ADJ 5A TO220-5

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正品保證

規格

屬性 價值
Series SIMPLE SWITCHER®
Part Status Obsolete
Function Step-Up, Step-Up/Step-Down
Output Configuration Positive
Topology Boost, Flyback, Forward Converter
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 4V
Voltage - Input (Max) 40V
Voltage - Output (Min / Fixed) 1.23V
Voltage - Output (Max) 60V
Current - Output 5A (Switch)
Frequency - Switching 100kHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Through Hole
Package / Case TO-220-5 Formed Leads
Supplier Device Package TO-220-5
Base Product Number LM2587

概述

Description

The LM2587T-ADJ is a high-efficiency step-down (buck) voltage regulator designed for various applications requiring adjustable output voltage. It is capable of delivering up to 3A of output current and operates from a wide input voltage range of 4.5V to 40V. The device features an adjustable output voltage, allowing designers to set the output between 1.23V and 37V using external resistors.
Key features include a low standby current, internal thermal shutdown, and overload protection, making it suitable for battery-powered devices and power management systems. Its compact package and integrated switching components enable efficient heat dissipation and reduced board space.
The LM2587T-ADJ has a high switching frequency of up to 100kHz, which minimizes the size of external inductors and capacitors. Overall, this versatile regulator is ideal for applications such as consumer electronics, automotive, and industrial power supply designs.

Equivalent

The LM2587T-ADJ is a step-down voltage regulator. Equivalent products include the LM2596, LM2576, and LM2675, which also provide adjustable output and similar power capabilities. Other alternatives are the TPS54332 from Texas Instruments and the LTC3780 from Analog Devices. Always check specifications for output voltage range, current rating, and efficiency to ensure compatibility with your application.

Features

The LM2587T-ADJ is a step-down (buck) voltage regulator designed for high efficiency and versatility in power management applications. Key features include:
1. Adjustable Output Voltage: Provides output voltage adjustment from 1.23V to 37V using external resistors.
2. High Efficiency: Efficiency levels can reach 90% or higher, minimizing heat generation.
3. Wide Input Voltage Range: Operates with input voltages from 4.5V to 40V, accommodating various power sources.
4. High Output Current: Supports output currents up to 3A, suitable for demanding applications.
5. Integrated Switch: Contains a built-in N-channel MOSFET switch, reducing the need for external components.
6. Protection Features: Includes thermal shutdown and current limiting for enhanced reliability.
7. Easy to Use: Simple design and layout facilitate integration into various circuits.
Overall, the LM2587T-ADJ is ideal for use in battery-powered devices, DC-DC converters, and other applications requiring regulated power.

Pinout

The LM2587T-ADJ is a step-down (buck) voltage regulator with a total of 5 pins. The pin configuration and their functions are as follows:
1. Input (Vin): This pin connects to the input voltage source.
2. Ground (GND): This pin serves as the ground reference for the device.
3. Output (Vout): This pin provides the regulated output voltage.
4. Feedback (Vfb): This pin is used to set the output voltage via feedback resistors, allowing for adjustable output.
5. Switch (SW): This pin connects to the internal switch that controls the current flow from the input to the output.
The LM2587T-ADJ is capable of delivering up to 3 A of output current with an adjustable output voltage from 1.23 V to 37 V. This makes it suitable for various applications where efficient power conversion is required.

Manufacturer

The LM2587T-ADJ is manufactured by Texas Instruments (TI), a globally recognized technology company. Founded in 1930 and headquartered in Dallas, Texas, Texas Instruments is primarily known for its development and production of semiconductors and various electronic components. The company specializes in analog and embedded processing, providing a wide range of products including integrated circuits (ICs), microcontrollers, and digital signal processors.
Texas Instruments serves a diverse array of industries, including automotive, industrial, communications, and consumer electronics. The LM2587T-ADJ, specifically, is a voltage regulator used for power management in electronic systems, facilitating efficient power supply conversion. Texas Instruments is well-regarded for its innovation in analog technology and commitment to quality, making it a key player in the semiconductor industry.

Application

The LM2587T-ADJ is a high-efficiency step-down voltage regulator used in various applications, including:
1. Power Supply Circuits: Converting higher voltages to lower levels for microcontrollers, sensors, and other devices.
2. Battery-Powered Devices: Prolonging battery life by efficiently stepping down voltage.
3. LED Drivers: Providing constant current for LED lighting applications.
4. Telecommunications Equipment: Regulating power in communication devices and systems.
5. Automotive Electronics: Supplying stable voltage in automotive systems and accessories.
Its adjustable output voltage capability makes it versatile for many electronic designs.

Package

The LM2587T-ADJ is typically available in a TO-263 or TO-220 package type. These packages facilitate efficient heat dissipation and ease of integration into various electronic circuits.

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