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LD29080PT90R
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LD29080PT90R

Product Overview

Category

The LD29080PT90R belongs to the category of low-dropout voltage regulators.

Use

It is used to regulate voltage in various electronic devices and circuits.

Characteristics

  • Low dropout voltage
  • High output voltage accuracy
  • Low quiescent current
  • Thermal shutdown and short-circuit protection

Package

The LD29080PT90R is available in a TO-220 package.

Essence

The essence of LD29080PT90R lies in its ability to provide stable and regulated voltage output for electronic applications.

Packaging/Quantity

The LD29080PT90R is typically sold in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Input Voltage Range: 4.4V to 26V
  • Output Voltage: 3.3V
  • Maximum Output Current: 1.5A
  • Dropout Voltage: 300mV at 1.5A
  • Quiescent Current: 75µA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LD29080PT90R has a standard three-pin configuration: 1. Input (VIN) 2. Ground (GND) 3. Output (VOUT)

Functional Features

  • Low dropout voltage
  • Thermal shutdown
  • Short-circuit protection
  • Fast transient response

Advantages and Disadvantages

Advantages

  • Low dropout voltage enables efficient regulation
  • Thermal shutdown and short-circuit protection enhance reliability
  • Fast transient response ensures stability during load changes

Disadvantages

  • Limited maximum output current compared to some alternatives
  • Higher quiescent current than certain competing models

Working Principles

The LD29080PT90R operates by comparing the reference voltage with the feedback voltage to maintain a stable output voltage. It utilizes a pass transistor to regulate the output voltage, while the internal circuitry ensures protection against thermal issues and short-circuits.

Detailed Application Field Plans

The LD29080PT90R finds application in various fields such as: - Automotive electronics - Industrial control systems - Power management in portable devices - Battery-powered equipment

Detailed and Complete Alternative Models

Some alternative models to LD29080PT90R include: - LM1117 - LT1763 - ADP3338

In summary, the LD29080PT90R is a low-dropout voltage regulator with specific characteristics and functional features that make it suitable for a range of electronic applications. Its advantages and disadvantages should be carefully considered in relation to specific project requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LD29080PT90R v technických řešeních

  1. What is LD29080PT90R?

    • LD29080PT90R is a low-dropout voltage regulator designed to provide a stable output voltage with low quiescent current, making it suitable for various technical solutions.

  2. What is the input voltage range for LD29080PT90R?

    • The input voltage range for LD29080PT90R is typically 4.5V to 16V.

  3. What is the output voltage of LD29080PT90R?

    • The output voltage of LD29080PT90R is fixed at 9.0V.

  4. What is the maximum output current LD29080PT90R can handle?

    • LD29080PT90R can handle a maximum output current of 0.8A.

  5. What are the typical applications of LD29080PT90R?

    • LD29080PT90R is commonly used in battery-powered devices, instrumentation, and industrial equipment where a stable 9.0V supply is required.

  6. Does LD29080PT90R require external components for operation?

    • Yes, LD29080PT90R requires external capacitors for stability and proper operation.

  7. What is the dropout voltage of LD29080PT90R?

    • The dropout voltage of LD29080PT90R is typically 300mV at full load.

  8. Is LD29080PT90R suitable for automotive applications?

    • Yes, LD29080PT90R is suitable for automotive applications due to its wide input voltage range and robust design.

  9. What is the thermal shutdown feature of LD29080PT90R?

    • LD29080PT90R is equipped with a thermal shutdown feature that protects the device from overheating.

  10. Can LD29080PT90R be used in parallel to increase the output current?

    • Yes, LD29080PT90R can be used in parallel to increase the output current by using external diodes for current sharing. However, proper thermal management is essential when using multiple regulators in parallel.