MIC79050-4.2YS

Product Overview

Category

MIC79050-4.2YS belongs to the category of voltage regulators.

Use

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

Characteristics

• Voltage regulation: The MIC79050-4.2YS provides a regulated output voltage of 4.2V.
• Package: This voltage regulator comes in a small surface-mount package.
• Essence: The essence of this product is to ensure a stable and reliable power supply for electronic devices.
• Packaging/Quantity: The MIC79050-4.2YS is typically packaged in reels or tubes, with varying quantities depending on the supplier.

Specifications

The specifications of MIC79050-4.2YS are as follows:

• Input Voltage Range: 5V to 16V
• Output Voltage: 4.2V
• Output Current: Up to 500mA
• Dropout Voltage: 300mV (typical)
• Line Regulation: ±0.1% (typical)
• Load Regulation: ±0.3% (typical)
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOT-23

Detailed Pin Configuration

The MIC79050-4.2YS has three pins:

1. VIN (Pin 1): Input voltage pin.
2. GND (Pin 2): Ground pin.
3. VOUT (Pin 3): Regulated output voltage pin.

Functional Features

• Voltage Regulation: The MIC79050-4.2YS ensures a stable output voltage of 4.2V, regardless of input voltage fluctuations.
• Overcurrent Protection: This voltage regulator includes built-in overcurrent protection to safeguard connected devices.
• Thermal Shutdown: In case of excessive heat, the MIC79050-4.2YS has a thermal shutdown feature to prevent damage.
• Low Dropout Voltage: With a low dropout voltage of 300mV, this regulator can operate efficiently even with small input-output differentials.

Advantages and Disadvantages

Advantages

• Stable Output: The MIC79050-4.2YS provides a stable output voltage, ensuring reliable performance of electronic devices.
• Compact Size: Its small SOT-23 package allows for easy integration into space-constrained designs.
• Overcurrent Protection: Built-in overcurrent protection prevents damage to connected devices.

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 5V to 16V may limit its compatibility with certain systems.

Working Principles

The MIC79050-4.2YS 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 4.2V. This ensures that the connected electronic devices receive a stable power supply.

Detailed Application Field Plans

The MIC79050-4.2YS is commonly used in various electronic applications, including:

1. Battery-Powered Devices: It is suitable for powering portable devices such as smartphones, tablets, and handheld gaming consoles.
2. IoT Devices: This voltage regulator can be used in Internet of Things (IoT) devices that require a stable power source.
3. Embedded Systems: It finds application in embedded systems, where a regulated voltage is crucial for proper operation.
4. Automotive Electronics: The MIC79050-4.2YS can be utilized in automotive electronics, providing a stable power supply for various components.

Detailed and Complete Alternative Models

Some alternative models to the MIC79050-4.2YS include:

1. LM1117-4.2: A popular voltage regulator with similar specifications and a TO-220 package.
2. LT1763-4.2: Another voltage regulator offering a regulated output of 4.2V, available in various package options.
3. TPS79650: A low-dropout voltage regulator capable of providing a stable 4.2V output.

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

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