Microchip Technology
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MIC29750-3.3BWT
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MIC29750-3.3BWT

Product Overview

Category

The MIC29750-3.3BWT belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

  • High efficiency
  • Low dropout voltage
  • Wide input voltage range
  • Overcurrent and thermal protection
  • Adjustable output voltage

Package

The MIC29750-3.3BWT comes in a TO-220 package, which is a widely used through-hole package for power semiconductors.

Essence

The essence of this product lies in its ability to provide stable and regulated voltage to electronic devices, ensuring their proper functioning.

Packaging/Quantity

The MIC29750-3.3BWT is typically packaged in reels or tubes and is available in various quantities depending on the manufacturer's specifications.

Specifications

  • Input Voltage Range: 4.5V to 26V
  • Output Voltage: 3.3V
  • Output Current: Up to 1.5A
  • Dropout Voltage: 400mV (typical)
  • Quiescent Current: 120µA (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC29750-3.3BWT has the following pin configuration:

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. VOUT (Output Voltage)
  4. ADJ (Adjustment)

Functional Features

  • High Efficiency: The MIC29750-3.3BWT offers high efficiency, minimizing power loss during voltage regulation.
  • Low Dropout Voltage: With a low dropout voltage of only 400mV, this regulator can operate efficiently even when the input voltage is close to the desired output voltage.
  • Wide Input Voltage Range: The device can accept input voltages ranging from 4.5V to 26V, making it suitable for a wide range of applications.
  • Overcurrent and Thermal Protection: The MIC29750-3.3BWT incorporates overcurrent and thermal protection mechanisms to safeguard against excessive current or temperature conditions.
  • Adjustable Output Voltage: The output voltage can be adjusted using the ADJ pin, allowing flexibility in meeting specific application requirements.

Advantages and Disadvantages

Advantages

  • High efficiency operation
  • Wide input voltage range
  • Overcurrent and thermal protection
  • Adjustable output voltage

Disadvantages

  • Dropout voltage may not be suitable for applications with very low input-output voltage differentials.

Working Principles

The MIC29750-3.3BWT is a linear voltage regulator that utilizes a pass transistor to regulate the output voltage. It compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The MIC29750-3.3BWT finds applications in various fields, including but not limited to: - Power supplies for microcontrollers and other digital ICs - Battery-powered devices - Automotive electronics - Industrial control systems - Communication equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MIC29750-3.3BWT include: - LM1117-3.3 - LT1086-3.3 - TPS79633

These alternatives can be considered based on specific application requirements and availability.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van MIC29750-3.3BWT in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of MIC29750-3.3BWT in technical solutions:

  1. Q: What is the MIC29750-3.3BWT? A: The MIC29750-3.3BWT is a voltage regulator IC (integrated circuit) that provides a fixed output voltage of 3.3V.

  2. Q: What is the input voltage range for the MIC29750-3.3BWT? A: The input voltage range for this regulator is typically between 4.5V and 16V.

  3. Q: What is the maximum output current of the MIC29750-3.3BWT? A: The maximum output current is 1.5A, which means it can supply up to 1.5 Amps of current at 3.3V.

  4. Q: Can the MIC29750-3.3BWT handle higher input voltages? A: No, it is designed to operate within the specified input voltage range of 4.5V to 16V. Exceeding this range may damage the IC.

  5. Q: Is the MIC29750-3.3BWT suitable for battery-powered applications? A: Yes, it can be used in battery-powered applications as long as the input voltage remains within the specified range.

  6. Q: Does the MIC29750-3.3BWT require any external components for operation? A: Yes, it requires input and output capacitors for stability and filtering. Refer to the datasheet for recommended values.

  7. Q: Can I use the MIC29750-3.3BWT in parallel to increase the output current? A: Yes, multiple regulators can be connected in parallel to increase the overall output current capacity.

  8. Q: What is the thermal resistance of the MIC29750-3.3BWT? A: The thermal resistance is typically around 40°C/W, which indicates how well it dissipates heat.

  9. Q: Can I use the MIC29750-3.3BWT in high-temperature environments? A: The IC can operate at temperatures up to 125°C, but it is recommended to keep it within a reasonable temperature range for optimal performance and reliability.

  10. Q: Are there any specific application notes or reference designs available for the MIC29750-3.3BWT? A: Yes, the manufacturer provides application notes and reference designs that can help you implement the regulator correctly in your technical solution.