Linear Technology/Analog Devices
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LT1175CT#PBF
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LT1175CT#PBF

Product Overview

Category

The LT1175CT#PBF belongs to the category of voltage regulators.

Use

It is used to regulate voltage in electronic circuits, ensuring a stable output voltage regardless of input voltage fluctuations.

Characteristics

  • Input Voltage Range: 4V to 60V
  • Output Voltage Range: 1.2V to 57V
  • Low Dropout Voltage: 1.2V at 800mA
  • Adjustable Output Voltage
  • Current Limit Protection
  • Thermal Shutdown Protection

Package

The LT1175CT#PBF comes in a TO-220 package, which provides efficient heat dissipation and ease of mounting on PCBs.

Essence

The essence of LT1175CT#PBF lies in its ability to provide reliable and stable voltage regulation for various electronic applications.

Packaging/Quantity

It is typically available in reels containing 1000 units per reel.

Specifications

  • Input Voltage Range: 4V to 60V
  • Output Voltage Range: 1.2V to 57V
  • Dropout Voltage: 1.2V at 800mA
  • Maximum Output Current: 800mA
  • Line Regulation: 0.04% typical
  • Load Regulation: 0.2% typical
  • Quiescent Current: 1.3mA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VIN: Input Voltage
  2. GND: Ground
  3. ADJ: Adjust (Output Voltage Adjustment)
  4. VOUT: Output Voltage

Functional Features

  • Adjustable Output: The ADJ pin allows for precise adjustment of the output voltage.
  • Current Limit Protection: Protects the regulator and the load from excessive currents.
  • Thermal Shutdown Protection: Prevents the regulator from overheating, enhancing its reliability.

Advantages and Disadvantages

Advantages

  • Wide Input Voltage Range
  • Low Dropout Voltage
  • Adjustable Output
  • Current Limit and Thermal Shutdown Protection

Disadvantages

  • Limited maximum output current compared to some other voltage regulators
  • Higher quiescent current compared to ultra-low-power regulators

Working Principles

The LT1175CT#PBF operates by comparing the output voltage with a reference voltage and adjusting the pass transistor to maintain a constant output voltage. It utilizes feedback control to achieve stable regulation.

Detailed Application Field Plans

The LT1175CT#PBF finds application in various fields including: - Battery-Powered Devices - Automotive Electronics - Industrial Control Systems - Power Management Modules

Detailed and Complete Alternative Models

Some alternative models to LT1175CT#PBF include: - LM317: A widely used adjustable linear voltage regulator - LM7805: Fixed 5V linear voltage regulator - LM1117: Low dropout linear voltage regulator

In conclusion, the LT1175CT#PBF offers a versatile solution for voltage regulation in diverse electronic applications, providing stability and protection features. Its wide input voltage range and adjustable output make it suitable for a range of design requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LT1175CT#PBF v technických řešeních

  1. What is the LT1175CT#PBF?

    • The LT1175CT#PBF is a versatile voltage regulator designed for use in various technical solutions, providing stable and adjustable output voltage.

  2. What is the input voltage range of LT1175CT#PBF?

    • The input voltage range of LT1175CT#PBF is typically 4V to 40V, making it suitable for a wide range of applications.

  3. What is the output voltage range of LT1175CT#PBF?

    • The output voltage of LT1175CT#PBF can be adjusted from 1.2V to 37V, offering flexibility for different requirements.

  4. What are the typical applications of LT1175CT#PBF?

    • LT1175CT#PBF is commonly used in battery-powered systems, portable instruments, automotive electronics, and other applications requiring regulated power supplies.

  5. What is the maximum output current of LT1175CT#PBF?

    • The maximum output current of LT1175CT#PBF is typically 500mA, suitable for powering a variety of low to moderate power devices.

  6. Does LT1175CT#PBF require external components for operation?

    • Yes, LT1175CT#PBF requires external capacitors and resistors for proper operation and stability.

  7. Is LT1175CT#PBF suitable for both step-up and step-down voltage regulation?

    • LT1175CT#PBF is primarily designed for step-down (buck) voltage regulation, but it can also be used in some step-up (boost) applications with appropriate circuit design.

  8. What are the key features of LT1175CT#PBF?

    • Some key features of LT1175CT#PBF include low dropout voltage, low quiescent current, thermal shutdown, and adjustable output voltage.

  9. How does LT1175CT#PBF handle overcurrent or short-circuit conditions?

    • LT1175CT#PBF includes built-in current limiting and thermal shutdown protection to safeguard against overcurrent and short-circuit events.

  10. Can LT1175CT#PBF be used in high-temperature environments?

    • LT1175CT#PBF has a wide operating temperature range and can be used in high-temperature environments with proper thermal management.