MIC5219-2.85YMM

Product Overview

Category

MIC5219-2.85YMM belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• Package: The MIC5219-2.85YMM comes in a small SOT-23 package.
• Essence: This voltage regulator provides a fixed output voltage of 2.85V.
• Packaging/Quantity: It is typically sold in reels or tubes, with a quantity of 3000 units per reel.

Specifications

The specifications of MIC5219-2.85YMM are as follows:

• Input Voltage Range: 2.5V to 16V
• Output Voltage: 2.85V
• Output Current: Up to 500mA
• Dropout Voltage: 150mV (typical)
• Line Regulation: 0.05% (typical)
• Load Regulation: 0.1% (typical)
• Quiescent Current: 120µA (typical)

Detailed Pin Configuration

The pin configuration of MIC5219-2.85YMM is as follows:

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

Functional Features

The functional features of MIC5219-2.85YMM include:

• Low dropout voltage: The regulator can operate with a very low input-output voltage differential, ensuring efficient power conversion.
• Low quiescent current: It consumes minimal current when the load is light, making it suitable for battery-powered applications.
• Thermal shutdown protection: The device automatically shuts down if the temperature exceeds the safe operating range, preventing damage to the regulator and the connected circuitry.
• Short-circuit protection: It has built-in protection against short-circuits, safeguarding the regulator and the load.

Advantages and Disadvantages

Advantages

• Small package size allows for space-saving designs.
• Wide input voltage range enables compatibility with various power sources.
• Low dropout voltage ensures efficient power conversion.
• Excellent line and load regulation provide stable output voltage.
• Thermal and short-circuit protection enhance reliability.

Disadvantages

• Limited output current capacity may not be suitable for high-power applications.
• Fixed output voltage restricts flexibility in voltage selection.

Working Principles

MIC5219-2.85YMM is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage from a voltage divider network connected to the output. The pass transistor adjusts its resistance to maintain a constant output voltage, compensating for changes in input voltage and load conditions.

Detailed Application Field Plans

MIC5219-2.85YMM finds applications in various electronic devices and systems, including but not limited to:

1. Battery-powered portable devices: It provides a stable voltage supply for microcontrollers, sensors, and other low-power components.
2. Automotive electronics: It regulates voltage for automotive modules, such as infotainment systems, navigation units, and lighting controls.
3. Industrial control systems: It ensures reliable voltage regulation in industrial automation equipment, motor drives, and control circuits.
4. Communication devices: It stabilizes the voltage for wireless routers, modems, and networking equipment.
5. Consumer electronics: It is used in audio/video equipment, gaming consoles, and home appliances.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to MIC5219-2.85YMM are:

1. LM1117-2.85: A popular voltage regulator with a fixed 2.85V output voltage.
2. LT1761-2.85: Another low dropout voltage regulator with a fixed 2.85V output.
3. MCP1702-285: A low quiescent current regulator providing a fixed 2.85V output voltage.

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

In conclusion, MIC5219-2.85YMM is a voltage regulator that offers stable and efficient voltage regulation for various electronic applications. Its small package size, low dropout voltage, and built-in protection features make it a reliable choice for low-power devices. However, its limited output current capacity and fixed output voltage may restrict its suitability for certain high-power or flexible voltage applications.