MIC5239-5.0YS

Product Overview

Category

MIC5239-5.0YS belongs to the category of voltage regulators.

Use

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

Characteristics

• Input Voltage Range: 2.7V to 16V
• Output Voltage: 5.0V
• Maximum Output Current: 150mA
• Low Dropout Voltage: 200mV at 100mA
• Low Quiescent Current: 75µA
• Thermal Shutdown Protection
• Short Circuit Protection
• Small Package Size: SOT-23-5

Package

MIC5239-5.0YS is available in a small SOT-23-5 package, which is suitable for space-constrained applications.

Essence

The essence of MIC5239-5.0YS is its ability to provide a stable output voltage of 5.0V with low dropout voltage and quiescent current.

Packaging/Quantity

MIC5239-5.0YS is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Input Voltage Range: 2.7V to 16V
• Output Voltage: 5.0V
• Output Current: 150mA (maximum)
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOT-23-5

Detailed Pin Configuration

MIC5239-5.0YS has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. NC (No Connection)
4. VOUT (Output Voltage)
5. EN (Enable)

Functional Features

• Voltage Regulation: MIC5239-5.0YS provides a stable output voltage of 5.0V, regardless of input voltage fluctuations.
• Low Dropout Voltage: The regulator maintains a low dropout voltage of 200mV at 100mA load, ensuring efficient power conversion.
• Low Quiescent Current: With a quiescent current of only 75µA, the regulator minimizes power consumption in standby or idle modes.
• Thermal Shutdown Protection: The device incorporates thermal shutdown protection to prevent damage due to excessive temperature.
• Short Circuit Protection: MIC5239-5.0YS includes short circuit protection, safeguarding the regulator and the connected circuitry.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• Stable output voltage ensures reliable performance of connected devices.
• Low dropout voltage enables efficient power conversion.
• Small package size is suitable for space-constrained designs.
• Thermal shutdown and short circuit protection enhance reliability.

Disadvantages

• Limited maximum output current of 150mA may not be sufficient for high-power applications.
• Not suitable for applications requiring higher output voltages.

Working Principles

MIC5239-5.0YS operates based on the principle of linear voltage regulation. It utilizes a feedback mechanism to maintain a constant output voltage of 5.0V, irrespective of changes in the input voltage. The internal circuitry adjusts the pass transistor to regulate the output voltage within the specified range. The device also incorporates protection features such as thermal shutdown and short circuit protection to ensure safe operation.

Detailed Application Field Plans

MIC5239-5.0YS finds applications in various electronic systems where a stable 5.0V voltage supply is required. Some common application fields include:

1. Battery-powered devices: Portable electronics, such as smartphones, tablets, and wearable devices, benefit from the regulator's ability to maintain a stable voltage even as the battery discharges.
2. IoT devices: Internet of Things (IoT) devices often require a regulated power supply for reliable operation, making MIC5239-5.0YS suitable for applications like sensors, smart home devices, and industrial monitoring systems.
3. Automotive electronics: The regulator can be used in automotive applications, such as infotainment systems, GPS modules, and dashboard displays, where a stable voltage is crucial for proper functioning.

Detailed and Complete Alternative Models

1. LM1117-5.0: A popular alternative with similar specifications and package type.
2. LT1763-5.0: Another alternative offering low dropout voltage and higher output current capability.
3. MCP1700-500: An alternative option with a lower quiescent current and wider input voltage range.

These alternative models provide similar functionality and can be considered based on specific application requirements.

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