• LT1084IT TO-220-3
LT1084IT TO-220-3


LDO Regulator Pos 1.25V to 28.5V 5A 3-Pin(3+Tab) TO-220


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  • Part Number : LT1084IT

  • Package/Case : TO-220-3

  • Brands : ADI

  • Components Categories : Voltage Regulators & Voltage ControllersLDO Voltage Regulators

  • Datesheet : LT1084IT DataSheet (PDF)

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Overview of LT1084IT

The LT1084IT is a low dropout positive adjustable voltage regulator IC designed to provide a stable output voltage with high current capability. It offers reliable performance and precise voltage regulation for various electronic applications.


(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • ADJ: Voltage Adjust Pin
  • VOUT: Output Voltage
  • VIN: Input Voltage
  • GROUND: Ground Connection

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the LT1084IT IC for a visual representation.

Key Features

  • Low Dropout Voltage: The LT1084IT features a low dropout voltage, ensuring efficient regulation even when the input voltage is only slightly higher than the output voltage.
  • High Current Capability: With its high current output capability, this IC can handle significant loads without compromising voltage regulation.
  • Adjustable Output: The output voltage of the LT1084IT can be adjusted to suit specific application requirements, offering versatility.
  • Thermal Regulation: Incorporates thermal shutdown and current limit functions to protect the IC under adverse operating conditions.
  • Wide Operating Temperature Range: Operates over a wide temperature range, making it suitable for various environmental conditions.

Note: For detailed technical specifications, please refer to the LT1084IT datasheet.


  • Power Supply Regulation: Ideal for providing stable voltage regulation in power supply circuits for electronic devices.
  • Audio Amplifiers: Used to regulate the voltage supply in audio amplifier circuits for optimal performance.
  • Instrumentation: Suitable for precision voltage regulation in instrumentation and measurement applications.


The LT1084IT is a versatile voltage regulator IC that offers precise output voltage control and high current capability for reliable performance in various electronic systems.

Usage Guide

  • Connection: Connect VIN pin to the input voltage source and VOUT pin to the load for regulated voltage output.
  • Voltage Adjustment: Use the ADJ pin to adjust the output voltage as per the required specifications.
  • Thermal Consideration: Ensure proper heat sinking for efficient thermal management, especially under high load conditions.

Frequently Asked Questions

Q: What is the dropout voltage of the LT1084IT?
A: The LT1084IT has a low dropout voltage, typically around 1.5V at maximum load current.

Q: Is the LT1084IT suitable for high-current applications?
A: Yes, the LT1084IT is designed to handle high currents while maintaining accurate voltage regulation, making it ideal for high-current applications.


For similar functionalities, consider these alternatives to the LT1084IT:

  • LM317: A popular adjustable voltage regulator IC with similar features and adjustable output voltage.
  • LT1086: This IC offers a higher output current capability while providing stable voltage regulation like the LT1084IT.



The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Manufacturer Linear Technology Product Category Linear Voltage Regulators

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