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MIC2920A-12BU

MIC2920A-12BU

Product Overview

Category

The MIC2920A-12BU belongs to the category of voltage regulators.

Use

It is primarily used to regulate voltage in electronic circuits.

Characteristics

  • Low dropout voltage
  • High output current capability
  • Thermal shutdown protection
  • Short-circuit current limiting

Package

The MIC2920A-12BU comes in a TO-263 package.

Essence

This voltage regulator is designed to provide a stable and regulated output voltage for various electronic applications.

Packaging/Quantity

The MIC2920A-12BU is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

  • Input Voltage Range: 2.5V to 26V
  • Output Voltage: 12V
  • Dropout Voltage: 380mV (typical)
  • Output Current: Up to 1.5A
  • Quiescent Current: 120µA (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC2920A-12BU has three pins:

  1. VIN (Pin 1): Input voltage pin.
  2. GND (Pin 2): Ground reference pin.
  3. VOUT (Pin 3): Regulated output voltage pin.

Functional Features

  • Low dropout voltage ensures efficient regulation even with small input-output differentials.
  • High output current capability allows it to power a wide range of electronic devices.
  • Thermal shutdown protection prevents damage due to excessive temperature.
  • Short-circuit current limiting protects the regulator and the connected circuitry from damage in case of a short circuit.

Advantages and Disadvantages

Advantages

  • Stable and regulated output voltage.
  • Wide input voltage range.
  • Low dropout voltage.
  • High output current capability.
  • Thermal shutdown protection.
  • Short-circuit current limiting.

Disadvantages

  • Limited output voltage options (fixed at 12V).
  • Relatively high quiescent current compared to some other voltage regulators.

Working Principles

The MIC2920A-12BU is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage and adjusting the pass transistor accordingly to maintain a constant output voltage.

Detailed Application Field Plans

The MIC2920A-12BU can be used in various applications, including but not limited to: - Power supply circuits for microcontrollers and other digital ICs. - Battery-powered devices requiring stable voltage regulation. - Automotive electronics. - Industrial control systems. - Audio amplifiers and preamplifiers.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MIC2920A-12BU include: - LM317T - LT1084CP-12 - ADP3339AKCZ-5

These alternatives may have different specifications and package types, so it is important to select the one that best suits the specific requirements of the application.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van MIC2920A-12BU in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of MIC2920A-12BU in technical solutions:

  1. Q: What is MIC2920A-12BU? A: MIC2920A-12BU is a low-dropout voltage regulator (LDO) IC that provides a fixed output voltage of 12V.

  2. Q: What is the input voltage range for MIC2920A-12BU? A: The input voltage range for MIC2920A-12BU is typically between 14V and 26V.

  3. Q: What is the maximum output current of MIC2920A-12BU? A: MIC2920A-12BU can provide a maximum output current of 1A.

  4. Q: Is MIC2920A-12BU suitable for battery-powered applications? A: Yes, MIC2920A-12BU is suitable for battery-powered applications as it has a low dropout voltage and low quiescent current.

  5. Q: Can I use MIC2920A-12BU in automotive applications? A: Yes, MIC2920A-12BU is designed to operate in automotive environments and can handle the required voltage and temperature ranges.

  6. Q: Does MIC2920A-12BU have built-in protection features? A: Yes, MIC2920A-12BU includes built-in protection features such as thermal shutdown and current limit protection.

  7. Q: Can I parallel multiple MIC2920A-12BU regulators to increase the output current? A: Yes, you can parallel multiple MIC2920A-12BU regulators with proper external components to increase the overall output current.

  8. Q: What is the typical dropout voltage of MIC2920A-12BU? A: The typical dropout voltage of MIC2920A-12BU is around 300mV at 1A load current.

  9. Q: Can I use MIC2920A-12BU in high-frequency applications? A: Yes, MIC2920A-12BU has good transient response and can be used in high-frequency applications.

  10. Q: What are the recommended input and output capacitors for MIC2920A-12BU? A: It is recommended to use a 10µF tantalum capacitor on the input and a 10µF ceramic capacitor on the output for stability and noise filtering.

Please note that these answers are general and may vary depending on specific application requirements.