MIC5219-3.3YML-TR

Product Overview

Category

MIC5219-3.3YML-TR belongs to the category of voltage regulators.

Use

This product is commonly used in electronic circuits to regulate and stabilize voltage levels.

Characteristics

• Voltage regulation: The MIC5219-3.3YML-TR provides a regulated output voltage of 3.3V.
• Low dropout: It has a low dropout voltage, ensuring efficient power conversion even when the input voltage is close to the desired output voltage.
• Low quiescent current: The device consumes minimal current when in standby mode, making it suitable for battery-powered applications.
• Thermal shutdown protection: The regulator includes built-in thermal shutdown protection to prevent damage from excessive heat.
• Short-circuit protection: It features short-circuit protection to safeguard the circuitry from potential damage.

Package

The MIC5219-3.3YML-TR comes in a small surface-mount package, allowing for easy integration into compact electronic designs.

Essence

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

Packaging/Quantity

The MIC5219-3.3YML-TR is typically packaged in reels or tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage: 3.3V
• Dropout Voltage: 120mV at 150mA
• Quiescent Current: 75µA
• Maximum Output Current: 500mA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC5219-3.3YML-TR has the following pin configuration:

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

Functional Features

• Voltage Regulation: The MIC5219-3.3YML-TR maintains a constant output voltage of 3.3V, regardless of variations in the input voltage.
• Low Dropout: It can regulate the output voltage even when the input voltage is only slightly higher than the desired output voltage.
• Thermal Shutdown Protection: The regulator shuts down automatically if the temperature exceeds a safe threshold, preventing damage to the device.
• Short-Circuit Protection: In the event of a short circuit, the MIC5219-3.3YML-TR limits the current to protect the circuitry.

Advantages and Disadvantages

Advantages

• Stable Output: Provides a stable and regulated output voltage, ensuring reliable operation of electronic devices.
• Low Dropout: Works efficiently even with small differences between input and output voltages.
• Small Package Size: Compact surface-mount package allows for easy integration into space-constrained designs.
• Thermal and Short-Circuit Protection: Built-in protection mechanisms safeguard the device and connected circuitry.

Disadvantages

• Limited Output Current: The maximum output current of 500mA may not be sufficient for high-power applications.
• Narrow Input Voltage Range: The input voltage range of 2.5V to 16V may not be suitable for all applications requiring voltage regulation.

Working Principles

The MIC5219-3.3YML-TR operates based on the principle of linear voltage regulation. It uses a feedback mechanism to compare the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage of 3.3V. The dropout voltage is minimized by utilizing a low-resistance pass transistor.

Detailed Application Field Plans

The MIC5219-3.3YML-TR finds applications in various electronic systems that require stable and regulated voltage supply. Some potential application fields include:

1. Battery-Powered Devices: Portable electronic devices such as smartphones, tablets, and wearable devices can benefit from the MIC5219-3.3YML-TR's low quiescent current and efficient power conversion.
2. Embedded Systems: Microcontrollers, sensors, and other embedded systems often require a stable voltage source for reliable operation, making the MIC5219-3.3YML-TR an ideal choice.
3. Industrial Control Systems: The regulator can be used in industrial control systems to ensure consistent voltage levels for precise and accurate measurements.

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and functionality.
2. LT1763-3.3: Another alternative offering low dropout voltage and high output current capability.
3. TPS79633: This alternative model provides a fixed 3.3V output voltage with low dropout and excellent line and load regulation.

These alternative models offer comparable features and can be considered based on specific application requirements.

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