Linear Technology/Analog Devices
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LT1074IT#PBF
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LT1074IT#PBF

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Regulator
  • Characteristics: High efficiency, low dropout voltage, adjustable output voltage
  • Package: TO-220
  • Essence: Regulates input voltage to a stable output voltage
  • Packaging/Quantity: Tape & Reel, 1000 units per reel

Specifications

  • Input Voltage Range: 4.75V to 20V
  • Output Voltage Range: 1.25V to 17V
  • Output Current: Up to 5A
  • Dropout Voltage: 1.2V at 5A
  • Quiescent Current: 10mA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  • Pin 1: Adjust
  • Pin 2: Vout
  • Pin 3: Vin
  • Pin 4: Ground

Functional Features

  • Adjustable output voltage
  • Thermal shutdown and current limit protection
  • Low dropout voltage

Advantages

  • Wide input voltage range
  • High efficiency
  • Compact TO-220 package

Disadvantages

  • Higher quiescent current compared to some alternatives
  • Limited maximum output current compared to higher power regulators

Working Principles

The LT1074IT#PBF is a step-down voltage regulator that uses a feedback loop to maintain a stable output voltage regardless of changes in the input voltage or load.

Detailed Application Field Plans

  • Power supplies for industrial equipment
  • Battery charging circuits
  • Automotive electronics
  • Telecommunications equipment

Detailed and Complete Alternative Models

  • LM317
  • LM7805
  • LM2940

This content provides a comprehensive overview of the LT1074IT#PBF, covering its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LT1074IT#PBF v technických řešeních

  1. What is the LT1074IT#PBF?

    • The LT1074IT#PBF is a high efficiency monolithic step-down switching regulator that can deliver up to 5A of output current.

  2. What is the input voltage range for the LT1074IT#PBF?

    • The input voltage range for the LT1074IT#PBF is typically 4.75V to 25V, making it suitable for a wide range of applications.

  3. What is the typical output voltage range for the LT1074IT#PBF?

    • The LT1074IT#PBF can provide a typical output voltage range from 1.25V to 20V, making it versatile for various voltage requirements.

  4. What are the key features of the LT1074IT#PBF?

    • The LT1074IT#PBF features include a high efficiency up to 90%, low dropout voltage, and a low quiescent current of 5mA.

  5. What are the typical applications for the LT1074IT#PBF?

    • Typical applications for the LT1074IT#PBF include powering microcontrollers, FPGAs, DSPs, and other digital ICs in various electronic devices.

  6. What is the maximum output current of the LT1074IT#PBF?

    • The LT1074IT#PBF can deliver a maximum output current of 5A, making it suitable for powering a wide range of loads.

  7. What protection features does the LT1074IT#PBF offer?

    • The LT1074IT#PBF provides protection against overcurrent and overtemperature conditions, enhancing its reliability in demanding environments.

  8. What is the operating frequency of the LT1074IT#PBF?

    • The LT1074IT#PBF operates at a fixed frequency of 100kHz, providing predictable performance and ease of design.

  9. What are the recommended external components for the LT1074IT#PBF?

    • The LT1074IT#PBF requires minimal external components, typically including an inductor, input and output capacitors, and a diode.

  10. Is the LT1074IT#PBF available in a thermally enhanced package?

    • Yes, the LT1074IT#PBF is available in a thermally enhanced TO-220 package, which helps in dissipating heat efficiently.

These questions and answers cover various aspects of the LT1074IT#PBF, providing a comprehensive overview of its capabilities and applications.