MIC4574-5.0YN

Product Overview

Category

MIC4574-5.0YN belongs to the category of voltage regulators.

Use

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

Characteristics

• Input Voltage Range: 4.5V to 16V
• Output Voltage: 5.0V
• Maximum Output Current: 500mA
• Low Dropout Voltage: 120mV at 500mA
• High Ripple Rejection: 70dB at 1kHz
• Low Quiescent Current: 85µA
• Thermal Shutdown Protection
• Short Circuit Protection

Package

MIC4574-5.0YN is available in a TO-263 package.

Essence

The essence of MIC4574-5.0YN is its ability to provide a stable output voltage of 5.0V with low dropout voltage and high ripple rejection.

Packaging/Quantity

MIC4574-5.0YN is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 16V
• Output Voltage: 5.0V
• Output Current: Up to 500mA
• Dropout Voltage: 120mV at 500mA
• Ripple Rejection: 70dB at 1kHz
• Quiescent Current: 85µA
• Operating Temperature Range: -40°C to +125°C
• Package Type: TO-263

Detailed Pin Configuration

MIC4574-5.0YN has the following pin configuration:

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

Functional Features

• Low Dropout Voltage: The MIC4574-5.0YN exhibits a low dropout voltage of 120mV at 500mA, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
• High Ripple Rejection: With a ripple rejection of 70dB at 1kHz, this voltage regulator effectively filters out noise and provides a clean and stable output voltage.
• Thermal Shutdown Protection: The device incorporates thermal shutdown protection, which safeguards it from overheating and potential damage.
• Short Circuit Protection: MIC4574-5.0YN includes short circuit protection, preventing excessive current flow and protecting the circuitry.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• Low dropout voltage ensures efficient voltage regulation.
• High ripple rejection provides a clean and stable output voltage.
• Thermal shutdown protection prevents overheating and damage.
• Short circuit protection safeguards the circuitry.

Disadvantages

• Limited maximum output current of 500mA may not be suitable for high-power applications.
• TO-263 package may require additional space on the PCB compared to smaller packages.

Working Principles

MIC4574-5.0YN operates based on the principle of linear voltage regulation. It utilizes a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. The internal circuitry monitors the input voltage and adjusts the pass transistor accordingly to maintain a constant output voltage of 5.0V.

Detailed Application Field Plans

MIC4574-5.0YN finds applications in various electronic circuits where a stable 5.0V voltage supply is required. Some common application fields include: - Power supplies for microcontrollers and digital ICs - Battery-powered devices - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to MIC4574-5.0YN are: - LM1117-5.0 - LT1763-5.0 - TPS79650

These models provide comparable voltage regulation capabilities and can be considered as alternatives based on specific requirements and preferences.

In conclusion, MIC4574-5.0YN is a voltage regulator that offers stable 5.0V output voltage with low dropout and high ripple rejection. It finds applications in various electronic circuits and provides advantages such as wide input voltage range, thermal shutdown protection, and short circuit protection. However, it has limitations in terms of maximum output current and package size. Alternative models like LM1117-5.0, LT1763-5.0, and TPS79650 can be considered as substitutes depending on specific needs.