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LM2585T-ADJ

Name: LM2585T-ADJ
Rating: 4.7 (12 reviews)

IC REG BST FLYBCK ADJ 3A TO220-5

Производитель
Мфр. Часть #LM2585T-ADJ
Пакет
Лист данных LM2585T-ADJ DataSheet
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Спецификации

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	3A (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	LM2585

Обзор

Description

The LM2585T-ADJ is a step-down (buck) voltage regulator designed for efficient power management in various applications. It belongs to the LM2585 series, which is known for its high efficiency, ease of use, and versatility. The adjustable output voltage feature allows users to set their desired output voltage from 1.23V to 37V, making it suitable for a wide range of power supply requirements.
Key features include a maximum output current of 1.5A, built-in protection against overtemperature and short circuits, and a wide input voltage range from 4.5V to 40V. The device operates with high efficiency, often exceeding 90%, which helps in reducing heat dissipation and improving the overall performance of electronic systems.
Its compact design makes it ideal for space-constrained applications, such as in telecommunications, automotive, and industrial systems. The LM2585T-ADJ is commonly used in power supplies, battery chargers, and LED drivers, providing reliable and adjustable output voltage solutions.

Features

The LM2585T-ADJ is a step-down (buck) voltage regulator with adjustable output. Key features include:
1. Output Voltage Range: Adjustable from 1.23V to 37V, allowing for flexibility in various applications.
2. High Efficiency: Typically over 85%, reducing thermal dissipation and improving overall performance.
3. Input Voltage Range: Accepts input voltages from 4.5V to 40V, suitable for a wide range of power sources.
4. Output Current: Capable of supplying up to 1A of output current, making it effective for numerous applications.
5. Built-in Protection: Features include thermal shutdown, current limiting, and a low dropout voltage, ensuring reliability and safety.
6. Frequency: Operates with a high switching frequency of 100kHz, allowing for small external components.
7. Easy to Use: Requires minimal external components, simplifying design and implementation.
Overall, the LM2585T-ADJ is ideal for applications such as battery chargers, power supplies, and other low-voltage systems requiring efficient power regulation.

Package

The LM2585T-ADJ is typically packaged in a TO-220 style package. This allows for efficient heat dissipation and is suitable for applications requiring robust electrical performance.

Pinout

The LM2585T-ADJ is a step-down (buck) voltage regulator with a pin count of 5. The functions of each pin are as follows:
1. Vin (Pin 1): Input voltage. This pin connects to the input power supply.
2. GND (Pin 2): Ground. This pin is connected to the system ground.
3. Vout (Pin 3): Output voltage. This pin provides the regulated output voltage.
4. ADJ (Pin 4): Adjustable output voltage. This pin is used to set the output voltage by connecting external resistors.
5. SW (Pin 5): Switch output. This pin connects to the inductor and is used for switching the output voltage.
The LM2585T-ADJ is designed for high efficiency and can deliver up to 1A of output current. It operates over a wide input voltage range, making it suitable for various applications in power management.

Manufacturer

The LM2585T-ADJ is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company primarily known for designing and manufacturing semiconductors and various integrated circuits. Founded in 1930, TI operates in multiple sectors, including analog and embedded processing, and is widely recognized for its innovations in electronics and computing. The company provides a range of products, including microcontrollers, processors, and power management solutions, serving industries such as automotive, industrial, consumer electronics, and communications. TI is also known for its focus on research and development, contributing significantly to advancements in technology.

Application

The LM2585T-ADJ is a voltage regulator commonly used in various applications, including power supplies for computer systems, battery chargers, LED drivers, and automotive electronics. Its adjustable output voltage feature allows it to be tailored for specific needs, making it suitable for industrial automation, telecommunications, and consumer electronics. Additionally, it supports step-down (buck) applications, efficiently converting higher input voltages to lower output levels.

Equivalent

The LM2585T-ADJ is a step-down voltage regulator. Equivalent products include:
1. LM2596 - Adjustable version, similar output current capability.
2. LM2576 - Fixed output options available, slightly lower current rating.
3. LT1083 - Low dropout, adjustable output.
4. MC34063 - Versatile, though less efficient.
Always verify specifications for compatibility in your specific application.

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