• LT1074CT TO-220-5
LT1074CT TO-220-5


5-pin plastic package


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Overview of LT1074CT

The LT1074CT is a monolithic high power switching regulator that provides adjustable output voltage and high efficiency power conversion. It is designed to deliver up to 5A of output current with excellent line and load regulation. The LT1074CT is ideal for applications requiring a compact and efficient voltage regulation solution.


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

  • VIN: Input Voltage
  • VOUT: Output Voltage
  • ADJ: Output Voltage Adjustment Pin
  • COMP: Compensation Pin
  • FB: Feedback Pin
  • GND: Ground

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the LT1074CT IC for a visual representation.

Key Features

  • Adjustable Output Voltage: Allows for flexibility in setting the desired output voltage.
  • High Efficiency: The LT1074CT offers high efficiency power conversion, reducing power loss and improving overall performance.
  • Wide Input Voltage Range: Operates over a wide input voltage range, making it suitable for various applications.
  • Internal Current Limiting: Provides protection against overcurrent conditions, enhancing system reliability.
  • Compact Design: The LT1074CT comes in a compact package, saving board space in electronic designs.

Note: For detailed technical specifications, please refer to the LT1074CT datasheet.


  • Power Supply Regulation: The LT1074CT is well-suited for regulating power supplies in a wide range of electronic devices.
  • Voltage Conversion: Ideal for converting one voltage level to another with high efficiency.
  • Battery-Powered Applications: Suitable for use in battery-powered applications that require efficient voltage regulation.


The LT1074CT is a versatile switching regulator that provides efficient and adjustable voltage regulation. It is capable of delivering high output current with excellent performance, making it an ideal choice for various power supply applications.

Usage Guide

  • Input Voltage: Connect VIN (Pin 1) to the input voltage source.
  • Output Voltage: Adjust the output voltage by connecting a resistor divider to the ADJ (Pin 3) and FB (Pin 5) pins.
  • Ground: Connect GND (Pin 6) to the ground reference of the system.

Frequently Asked Questions

Q: What is the maximum output current of the LT1074CT?
A: The LT1074CT is capable of delivering up to 5A of output current, making it suitable for high-power applications.

Q: Is the LT1074CT suitable for automotive applications?
A: Yes, the LT1074CT can be used in automotive applications that require efficient power conversion and voltage regulation.


For similar functionalities, consider these alternatives to the LT1074CT:

  • LM2575: An adjustable switching regulator IC with similar performance characteristics to the LT1074CT.
  • ADJ1084: This is a high current adjustable regulator offering comparable features to the LT1074CT.



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

Product Category Switching Voltage Regulators RoHS No&nbsp-RoHS Version Available
Output Voltage 2.5 V to 50 V Output Current 4.4 A
Input Voltage, Max 45 V Number of Outputs 1 Output
Topology Boost, Buck Package / Case TO-220-5
Mounting Style Through Hole Switching Frequency 19 kHz
Minimum Operating Temperature 0 C Maximum Operating Temperature + 70 C
Series LT1074 Input Voltage, Min 7.3 V
Brand Analog Devices Height 4.57 mm
Operating Supply Current 8.5 mA Product Type Switching Voltage Regulators
Subcategory PMIC - Power Management ICs

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