LM1084IS-ADJ

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LM1084IS-ADJ

IC REG LIN POS ADJ 5A DDPAK

  • Производитель
  • Мфр. Часть #LM1084IS-ADJ
  • Пакет TO-263 (KTT)-3
  • Лист данных
  • В наличии5087

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Спецификации

Package Tube
ProductStatus Not For New Designs
OutputConfiguration Positive
OutputType Adjustable
NumberofRegulators 1
Voltage-Input(Max) 29V
Voltage-Output(Min/Fixed) 1.25V
Voltage-Output(Max) 27.5V
VoltageDropout(Max) 1.5V @ 5A
Current-Output 5A
Current-Quiescent(Iq) 10 mA
PSRR 75dB (120Hz)
ProtectionFeatures Over Current, Over Temperature
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case TO-263-4, D²Pak (3 Leads + Tab), TO-263AA

Обзор

Description

The LM1084IS-ADJ is a low dropout (LDO) adjustable voltage regulator designed to provide a stable output voltage with a wide input range and low dropout voltage. It is part of the LM1084 series, which is known for delivering up to 5A of output current while maintaining a low dropout of typically 1.5V at a full load. The "ADJ" refers to its adjustable output capability, allowing users to set the desired output voltage via external resistors, making it versatile for various applications.
Key features of the LM1084IS-ADJ include thermal protection, current limiting, and safe operating area (SOA) protection, which enhance its reliability and robustness. Its high power performance is suitable for powering various devices in consumer electronics, industrial equipment, and other applications requiring efficient power management.
The LM1084IS-ADJ comes in an easy-to-mount TO-220 or surface-mount TO-263 package, simplifying integration into circuits. Its excellent line and load regulation characteristics make it ideal for use in applications where stable voltage is critical.

Features

The LM1084IS-ADJ is a low dropout positive voltage regulator capable of supplying up to 5A of output current. It features an adjustable output voltage, which allows for flexibility in various applications. The device has a dropout voltage of 1.5V at full load, making it efficient for use in low-voltage applications.
Key features include:
- Adjustable output voltage range from 1.25V to 30V
- High current capability up to 5A
- Low dropout voltage of 1.5V at maximum current
- Fast transient response, beneficial for dynamic load changes
- Internal current limiting and thermal shutdown protection to enhance reliability and safety
- Satisfies various applications such as power supplies for microprocessors, high-efficiency linear power supplies, and battery chargers.
The LM1084IS-ADJ is often packaged in TO-220, providing ease of use with standard thermal solutions. It is particularly suitable for applications requiring a reliable and adjustable power supply with a moderate current demand.

Package

The LM1084IS-ADJ is a low dropout voltage regulator available in a TO-263 package type.

Pinout

The LM1084IS-ADJ is a low dropout (LDO) linear voltage regulator. It typically comes in a TO-263-3 package and features three pins. Here is a concise description of its pin count and function:
1. Pin 1 (Adjust): This pin is used to set the output voltage. By connecting a resistor divider network between the output, adjust, and ground pins, you can set the desired output voltage.

2. Pin 2 (Output): This is the output pin where the regulated voltage is provided. It supplies the adjusted output voltage to the connected load.
3. Pin 3 (Input): This pin is where the input voltage is applied. The input voltage must be higher than the desired output voltage due to the regulator's dropout voltage.
Additionally, the device has a tab connected to the ground, which is typically used for heat dissipation and should be connected to a heat sink if necessary. Overall, the LM1084IS-ADJ is designed to provide a regulated output voltage with high efficiency and low dropout voltage.

Manufacturer

The LM1084IS-ADJ is manufactured by Texas Instruments. Texas Instruments is a global semiconductor company known for designing and manufacturing a wide range of electronic components, including integrated circuits, microcontrollers, and sensors. It serves various industries such as automotive, industrial, personal electronics, and communications, focusing on innovation and technology development.

Application

The LM1084IS-ADJ is a low dropout (LDO) adjustable voltage regulator. Its application areas include powering microprocessors and digital circuits, reducing noise in power supply lines, battery-powered systems, and post-regulation for switching power supplies. It is also used in applications requiring high-efficiency power management and where space is limited, as it offers a compact solution with lower heat dissipation compared to traditional regulators.

Equivalent

The LM1084IS-ADJ is a low dropout voltage regulator. Equivalent products include:
1. LT1085 - Offers similar low dropout voltage and current capacity.
2. LM317 - Adjustable regulator with similar functionality, though lower current capacity.
3. LD1084 - Similar LDO regulator with adjustable output.
4. AMS1084 - Another alternative with similar specifications.
5. NCP1084 - Offers similar performance characteristics.
Always verify electrical characteristics and pin configurations when selecting equivalents.

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