MIC5219-3.1YM5-TR

Product Overview

Category

MIC5219-3.1YM5-TR belongs to the category of voltage regulators.

Use

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

Characteristics

• Input Voltage Range: 2.3V to 16V
• Output Voltage: 3.1V
• Maximum Output Current: 500mA
• Dropout Voltage: 300mV
• Low Quiescent Current: 120µA
• Low Shutdown Current: 0.1µA
• Thermal Shutdown Protection
• Short Circuit Protection

Package

MIC5219-3.1YM5-TR comes in a miniature SOT-23-5 package.

Essence

The essence of this product lies in its ability to provide a regulated output voltage, even when the input voltage varies or fluctuates.

Packaging/Quantity

This product is typically packaged in reels containing 3000 units.

Specifications

• Input Voltage Range: 2.3V to 16V
• Output Voltage: 3.1V ±2%
• Maximum Output Current: 500mA
• Dropout Voltage: 300mV at 100mA
• Quiescent Current: 120µA (typical)
• Shutdown Current: 0.1µA (typical)
• Operating Temperature Range: -40°C to +125°C
• Thermal Resistance: 200°C/W (junction to ambient)

Detailed Pin Configuration

MIC5219-3.1YM5-TR has five pins arranged as follows:

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Pin 1: VIN (Input Voltage) Pin 2: GND (Ground) Pin 3: SHDN (Shutdown Control) Pin 4: VOUT (Output Voltage) Pin 5: BYP (Bypass Capacitor)

Functional Features

1. Voltage Regulation: The MIC5219-3.1YM5-TR ensures a stable and regulated output voltage of 3.1V, regardless of variations in the input voltage.
2. Low Quiescent Current: With a low quiescent current of only 120µA, this voltage regulator minimizes power consumption.
3. Thermal Shutdown Protection: The device incorporates thermal shutdown protection, which prevents damage due to excessive heat.
4. Short Circuit Protection: The MIC5219-3.1YM5-TR includes short circuit protection, safeguarding the circuit from potential damage.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• Low quiescent current reduces power consumption.
• Thermal shutdown protection prevents overheating.
• Short circuit protection enhances circuit reliability.

Disadvantages

• Dropout voltage of 300mV may limit its use in low-power applications.
• Limited output current of 500mA may not be suitable for high-power circuits.

Working Principles

The MIC5219-3.1YM5-TR is a linear voltage regulator that utilizes a feedback mechanism to maintain a constant output voltage. It compares the output voltage with a reference voltage and adjusts the internal circuitry to regulate the output voltage at the desired level. When the input voltage exceeds the required output voltage, the regulator reduces the excess voltage, ensuring a stable output. Conversely, if the input voltage drops below the desired output voltage, the regulator compensates by boosting the voltage to maintain a constant output.

Detailed Application Field Plans

The MIC5219-3.1YM5-TR finds applications in various electronic devices and circuits, including but not limited to: - Battery-powered devices - Portable electronics - Embedded systems - IoT devices - Automotive electronics

Detailed and Complete Alternative Models

1. LM317T: This adjustable voltage regulator offers a wide input voltage range and high output current capability.
2. LT1084CP-5: A fixed 5V voltage regulator with low dropout voltage and high thermal efficiency.
3. LM1117-3.3: A low dropout voltage regulator that provides a fixed 3.3V output.

These alternative models offer similar functionality and can be considered as substitutes for the MIC5219-3.1YM5-TR in various applications.

In conclusion, the MIC5219-3.1YM5-TR is a voltage regulator that provides stable and regulated output voltage. With its low quiescent current, thermal shutdown protection, and short circuit protection, it offers several advantages for electronic circuits. However, its limitations include a relatively high dropout voltage and limited output current. Nonetheless, it finds applications in diverse fields and has alternative models available for different requirements.