Linear Technology/Analog Devices
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LT1172CS8#PBF
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LT1172CS8#PBF

Product Overview

Category

The LT1172CS8#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 variations.

Characteristics

  • Input Voltage Range: 4V to 40V
  • Output Voltage Range: 1.25V to 37V
  • Maximum Output Current: 500mA
  • Low Quiescent Current: 4mA
  • Adjustable Output Voltage

Package

The LT1172CS8#PBF comes in an 8-pin SOIC package.

Essence

The essence of LT1172CS8#PBF lies in its ability to provide efficient and reliable voltage regulation for various electronic applications.

Packaging/Quantity

It is typically available in reels with a quantity of 250 units per reel.

Specifications

  • Input Voltage Range: 4V to 40V
  • Output Voltage Range: 1.25V to 37V
  • Maximum Output Current: 500mA
  • Quiescent Current: 4mA
  • Operating Temperature Range: -40°C to 125°C
  • Package Type: 8-Pin SOIC

Detailed Pin Configuration

  1. Vin (Input Voltage)
  2. GND (Ground)
  3. Vout (Output Voltage)
  4. Feedback
  5. Shutdown
  6. Compensation
  7. NC (No Connection)
  8. NC (No Connection)

Functional Features

  • Wide Input Voltage Range
  • Adjustable Output Voltage
  • Low Quiescent Current
  • Overcurrent Protection
  • Thermal Shutdown

Advantages

  • Wide input voltage range allows for versatile applications
  • Adjustable output voltage provides flexibility
  • Low quiescent current minimizes power consumption
  • Built-in protection features enhance reliability

Disadvantages

  • Limited maximum output current compared to some other regulators
  • Requires external components for certain configurations

Working Principles

The LT1172CS8#PBF operates by using a feedback mechanism to compare the output voltage to a reference voltage and adjust the internal circuitry to maintain a stable output voltage. It utilizes switching techniques to achieve high efficiency and can handle a wide range of input voltages.

Detailed Application Field Plans

The LT1172CS8#PBF is suitable for various applications including: - Battery-powered devices - Automotive electronics - Industrial control systems - Portable instrumentation - Power supplies

Detailed and Complete Alternative Models

Some alternative models to LT1172CS8#PBF include: - LM317 - LM7805 - LM1117 - LT1086

In conclusion, the LT1172CS8#PBF is a versatile voltage regulator with a wide input voltage range, adjustable output voltage, and built-in protection features, making it suitable for a variety of electronic applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LT1172CS8#PBF v technických řešeních

  1. What is the input voltage range of LT1172CS8#PBF?

    • The input voltage range of LT1172CS8#PBF is typically 3V to 40V.

  2. What is the output voltage range of LT1172CS8#PBF?

    • The output voltage range of LT1172CS8#PBF is adjustable, but it can typically be set from 1.25V to 37V.

  3. What is the maximum output current of LT1172CS8#PBF?

    • The maximum output current of LT1172CS8#PBF is around 500mA.

  4. What are the typical applications of LT1172CS8#PBF?

    • LT1172CS8#PBF is commonly used in battery-powered systems, portable instruments, and other applications where a regulated positive and negative voltage is required.

  5. What is the efficiency of LT1172CS8#PBF?

    • The efficiency of LT1172CS8#PBF can vary based on the input and output voltage, but it is typically high, especially when operating at higher input voltages.

  6. Does LT1172CS8#PBF require external components for operation?

    • Yes, LT1172CS8#PBF requires external components such as resistors, capacitors, and inductors for proper operation.

  7. Is LT1172CS8#PBF suitable for automotive applications?

    • Yes, LT1172CS8#PBF can be used in automotive applications, provided that it meets the necessary specifications and requirements.

  8. What is the operating temperature range of LT1172CS8#PBF?

    • The operating temperature range of LT1172CS8#PBF is typically -40°C to 85°C.

  9. Can LT1172CS8#PBF be used in step-up (boost) and step-down (buck) configurations?

    • Yes, LT1172CS8#PBF can be configured for both step-up and step-down voltage regulation.

  10. Are there any recommended layout considerations for using LT1172CS8#PBF?

    • Yes, it is recommended to follow the layout guidelines provided in the datasheet to minimize noise and ensure proper performance of LT1172CS8#PBF.