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MIC29301-3.3BU
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MIC29301-3.3BU

Product Overview

Category

The MIC29301-3.3BU belongs to the category of voltage regulators.

Use

It is used to regulate voltage in electronic circuits, ensuring a stable and constant output voltage.

Characteristics

  • Input Voltage Range: 4.5V to 26V
  • Output Voltage: 3.3V
  • Maximum Output Current: 3A
  • Low Dropout Voltage: 450mV at 3A
  • Thermal Shutdown Protection
  • Short Circuit Current Foldback
  • Available in TO-263 and TO-220 Packages

Package

The MIC29301-3.3BU is available in TO-263 and TO-220 packages.

Essence

This voltage regulator provides a reliable and stable output voltage for various electronic applications.

Packaging/Quantity

The MIC29301-3.3BU is typically packaged in reels or tubes, with quantities varying based on the supplier.

Specifications

  • Input Voltage Range: 4.5V to 26V
  • Output Voltage: 3.3V
  • Output Current: Up to 3A
  • Dropout Voltage: 450mV at 3A
  • Operating Temperature Range: -40°C to 125°C
  • Package Type: TO-263, TO-220

Detailed Pin Configuration

The MIC29301-3.3BU has a standard pin configuration with input, output, and ground pins, as well as additional pins for features such as thermal shutdown and current foldback.

Functional Features

  • Stable Output: Provides a stable 3.3V output voltage even with fluctuations in the input voltage.
  • Thermal Shutdown Protection: Protects the device from overheating by shutting down when the temperature exceeds a safe threshold.
  • Short Circuit Current Foldback: Reduces the output current in the event of a short circuit, protecting the regulator and the connected circuitry.

Advantages and Disadvantages

Advantages

  • High output current capability
  • Wide input voltage range
  • Thermal shutdown protection for added reliability
  • Short circuit current foldback for enhanced safety

Disadvantages

  • Higher dropout voltage compared to some other regulators
  • May require additional heat sinking for high current applications

Working Principles

The MIC29301-3.3BU operates by comparing the output voltage to a reference voltage and adjusting the pass element to maintain a constant 3.3V output. It utilizes internal circuitry to provide thermal shutdown and short circuit protection.

Detailed Application Field Plans

The MIC29301-3.3BU is commonly used in various electronic devices and systems, including: - Power supplies - Battery-powered devices - Industrial control systems - Automotive electronics - Audio amplifiers

Detailed and Complete Alternative Models

Some alternative models to the MIC29301-3.3BU include: - LM1117-3.3 - LT1086-3.3 - L78M33CDT

In summary, the MIC29301-3.3BU is a versatile voltage regulator with a wide input voltage range, high output current capability, and built-in protection features, making it suitable for a wide range of electronic applications.

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技術ソリューションにおける MIC29301-3.3BU の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the MIC29301-3.3BU?

    • The MIC29301-3.3BU is a 3.3V low-dropout voltage regulator designed for use in applications where an ultra-low quiescent current is required.

  2. What is the input voltage range for the MIC29301-3.3BU?

    • The input voltage range for the MIC29301-3.3BU is 4.5V to 26V.

  3. What is the maximum output current of the MIC29301-3.3BU?

    • The maximum output current of the MIC29301-3.3BU is 3A.

  4. What are the typical applications for the MIC29301-3.3BU?

    • Typical applications for the MIC29301-3.3BU include powering microcontrollers, FPGAs, and other digital ICs in various electronic devices.

  5. What is the dropout voltage of the MIC29301-3.3BU?

    • The dropout voltage of the MIC29301-3.3BU is typically 450mV at 3A load.

  6. What protection features does the MIC29301-3.3BU offer?

    • The MIC29301-3.3BU provides thermal shutdown and current limit protection to safeguard against overcurrent and overtemperature conditions.

  7. Can the MIC29301-3.3BU be used in automotive applications?

    • Yes, the MIC29301-3.3BU is suitable for automotive applications due to its wide input voltage range and robust design.

  8. What is the operating temperature range of the MIC29301-3.3BU?

    • The operating temperature range of the MIC29301-3.3BU is -40°C to 125°C.

  9. Does the MIC29301-3.3BU require external capacitors for stability?

    • Yes, the MIC29301-3.3BU requires an input capacitor and an output capacitor for proper stability and performance.

  10. Is the MIC29301-3.3BU available in a surface-mount package?

    • Yes, the MIC29301-3.3BU is available in a surface-mount TO-263 package for easy integration into compact designs.