MIC29371-3.3BU

Product Overview

Category

MIC29371-3.3BU belongs to the category of voltage regulators.

Use

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

Characteristics

• High accuracy and precision in voltage regulation
• Low dropout voltage
• Thermal shutdown protection
• Current limit protection
• Short-circuit protection

Package

MIC29371-3.3BU is available in a TO-263 package.

Essence

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

Packaging/Quantity

MIC29371-3.3BU is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 4V to 26V
• Output Voltage: 3.3V
• Output Current: Up to 1A
• Dropout Voltage: 350mV (typical)
• Quiescent Current: 120µA (typical)

Detailed Pin Configuration

MIC29371-3.3BU has the following pin configuration:

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

Functional Features

• Voltage Regulation: The MIC29371-3.3BU ensures a stable output voltage of 3.3V regardless of input voltage fluctuations.
• Thermal Shutdown Protection: In case of excessive temperature, the regulator shuts down to prevent damage.
• Current Limit Protection: Protects against excessive current flow, preventing damage to the device.
• Short-Circuit Protection: Safeguards the circuit by shutting down in the event of a short circuit.

Advantages and Disadvantages

Advantages

• High accuracy and precision in voltage regulation
• Low dropout voltage ensures efficient power conversion
• Thermal shutdown protection prevents overheating and damage
• Current limit and short-circuit protection enhance circuit safety

Disadvantages

• Limited output current capacity (up to 1A)
• Requires an input voltage within the specified range (4V to 26V)

Working Principles

MIC29371-3.3BU operates based on a linear voltage regulation principle. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage of 3.3V. The regulator continuously monitors the input voltage, adjusting its internal components to compensate for any variations and provide a consistent output.

Detailed Application Field Plans

MIC29371-3.3BU finds applications in various electronic devices and circuits that require a stable 3.3V power supply. Some common application fields include:

1. Microcontrollers and microprocessors
2. Embedded systems
3. Communication devices
4. Power management modules
5. Industrial control systems

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and features.
2. LT1086-3.3: Offers higher output current capacity and lower dropout voltage.
3. TPS73633: Provides a fixed 3.3V output with low quiescent current.

These alternative models can be considered based on specific requirements and design constraints.

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