MIC5219-3.3YMM

Product Overview

Category

MIC5219-3.3YMM belongs to the category of voltage regulators.

Use

It is used to regulate and stabilize voltage in electronic circuits.

Characteristics

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

Package

MIC5219-3.3YMM comes in a small SOT-23 package.

Essence

The essence of MIC5219-3.3YMM is to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity

It is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage: 3.3V
• Output Current: Up to 500mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

MIC5219-3.3YMM has the following pin configuration:

```

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| | --| VIN VOUT |-- --| GND EN |-- |___________| ```

Functional Features

1. Low Dropout Voltage: The MIC5219-3.3YMM exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
2. High Output Current Capability: With a maximum output current of 500mA, it can power a wide range of electronic components and devices.
3. Thermal Shutdown Protection: The regulator includes thermal shutdown protection, which prevents damage due to excessive heat.
4. Short-Circuit Current Limit: It has a built-in short-circuit current limit feature that protects the regulator and the connected circuitry from damage in case of a short circuit.
5. Low Quiescent Current: The quiescent current of 75µA ensures minimal power consumption when the regulator is in standby or idle mode.

Advantages and Disadvantages

Advantages

• Provides stable output voltage even with varying input voltage levels
• Compact package size allows for easy integration into space-constrained designs
• Low dropout voltage minimizes power dissipation and improves efficiency
• Thermal shutdown protection prevents overheating and damage to the device

Disadvantages

• Limited maximum output current compared to higher-power regulators
• Requires external components for proper operation, such as input and output capacitors

Working Principles

MIC5219-3.3YMM operates based on the principle of linear voltage regulation. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. The internal feedback mechanism compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a constant output voltage.

Detailed Application Field Plans

MIC5219-3.3YMM finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Embedded systems - Industrial control systems - Automotive electronics - Communication equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to MIC5219-3.3YMM include: - LM1117-3.3 - LT1763-3.3 - MAX6033

These alternatives have comparable specifications and features, providing options for designers based on specific requirements and availability.

In conclusion, MIC5219-3.3YMM is a voltage regulator that offers stable and regulated output voltage for various electronic applications. With its low dropout voltage, high output current capability, and thermal protection, it provides reliable power management in a compact package. While it has certain limitations, it serves as an essential component in numerous electronic devices across different industries.