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LT1129IS8-5#TRPBF

LT1129IS8-5#TRPBF

Product Overview

Category

The LT1129IS8-5#TRPBF belongs to the category of low dropout (LDO) linear voltage regulators.

Use

It is commonly used to provide a stable output voltage from a higher input voltage source, typically in electronic circuits and systems.

Characteristics

  • Low dropout voltage
  • High output accuracy
  • Low quiescent current
  • Thermal shutdown protection

Package

The LT1129IS8-5#TRPBF is available in an 8-lead surface mount package.

Essence

This product is essential for maintaining a stable voltage supply in various electronic applications.

Packaging/Quantity

The LT1129IS8-5#TRPBF is typically packaged in reels with a quantity specified by the manufacturer.

Specifications

  • Output Voltage: 5V
  • Dropout Voltage: 0.45V at 800mA
  • Quiescent Current: 75µA
  • Operating Temperature Range: -40°C to 125°C
  • Line Regulation: 0.02% typical
  • Load Regulation: 0.04% typical

Detailed Pin Configuration

  1. IN - Input Voltage
  2. GND - Ground
  3. SHDN - Shutdown
  4. BYP - Bypass Capacitor
  5. VOUT - Output Voltage
  6. NC - No Connection
  7. NC - No Connection
  8. NC - No Connection

Functional Features

  • Low dropout voltage allows for use with low input voltages
  • Thermal shutdown protection prevents damage due to excessive heat
  • Low quiescent current for improved efficiency

Advantages and Disadvantages

Advantages

  • Stable output voltage
  • Wide operating temperature range
  • Low dropout voltage

Disadvantages

  • Limited maximum output current
  • Higher quiescent current compared to some newer LDO regulators

Working Principles

The LT1129IS8-5#TRPBF regulates the output voltage by comparing a portion of the output voltage to a reference voltage and adjusting the pass transistor to maintain a stable output.

Detailed Application Field Plans

The LT1129IS8-5#TRPBF is suitable for various applications including: - Battery-powered devices - Portable electronics - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the LT1129IS8-5#TRPBF include: - LM2937 - ADP3335 - MIC5205

In conclusion, the LT1129IS8-5#TRPBF is a reliable low dropout linear voltage regulator with a stable output voltage, making it suitable for a wide range of electronic applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LT1129IS8-5#TRPBF v technických řešeních

  1. What is the input voltage range for LT1129IS8-5#TRPBF?

    • The input voltage range for LT1129IS8-5#TRPBF is 2.5V to 20V.
  2. What is the output voltage of LT1129IS8-5#TRPBF?

    • The output voltage of LT1129IS8-5#TRPBF is fixed at 5V.
  3. What is the maximum output current of LT1129IS8-5#TRPBF?

    • The maximum output current of LT1129IS8-5#TRPBF is 800mA.
  4. What are the typical applications of LT1129IS8-5#TRPBF?

    • LT1129IS8-5#TRPBF is commonly used in battery-powered systems, portable instruments, and various microcontroller-based applications.
  5. Does LT1129IS8-5#TRPBF require an external heat sink?

    • No, LT1129IS8-5#TRPBF does not require an external heat sink due to its low dropout voltage and efficient thermal performance.
  6. Is LT1129IS8-5#TRPBF suitable for automotive applications?

    • Yes, LT1129IS8-5#TRPBF is suitable for automotive applications due to its wide input voltage range and robust design.
  7. What protection features does LT1129IS8-5#TRPBF offer?

    • LT1129IS8-5#TRPBF provides overcurrent protection and thermal shutdown to ensure safe operation.
  8. Can LT1129IS8-5#TRPBF be used in parallel to increase the output current?

    • Yes, LT1129IS8-5#TRPBF can be used in parallel to increase the output current while maintaining stability and accuracy.
  9. What is the operating temperature range of LT1129IS8-5#TRPBF?

    • The operating temperature range of LT1129IS8-5#TRPBF is -40°C to 125°C.
  10. Is LT1129IS8-5#TRPBF available in a surface-mount package?

    • Yes, LT1129IS8-5#TRPBF is available in an 8-pin SOIC surface-mount package for easy integration into compact designs.