MIC5318-2.9YMT-TR

Product Overview

Category

The MIC5318-2.9YMT-TR belongs to the category of voltage regulators.

Use

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

Characteristics

• Voltage regulation: The MIC5318-2.9YMT-TR ensures a stable output voltage.
• Efficiency: It operates with high efficiency, minimizing power loss.
• Low dropout voltage: The regulator can maintain a stable output even when the input voltage is close to the desired output voltage.
• Thermal shutdown protection: It includes built-in protection mechanisms to prevent overheating.

Package

The MIC5318-2.9YMT-TR comes in a compact surface-mount package, making it suitable for space-constrained applications.

Essence

The essence of this product lies in its ability to provide reliable and precise voltage regulation, ensuring optimal performance of electronic devices.

Packaging/Quantity

The product is typically packaged in reels or tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Input voltage range: 2.7V to 5.5V
• Output voltage: 2.9V
• Maximum output current: 500mA
• Dropout voltage: 150mV at 500mA
• Quiescent current: 45µA
• Operating temperature range: -40°C to +125°C

Pin Configuration

The MIC5318-2.9YMT-TR has the following pin configuration:

1. VIN (Input voltage)
2. GND (Ground)
3. EN (Enable)
4. BYP (Bypass capacitor connection)
5. VOUT (Output voltage)

Functional Features

• Voltage Regulation: The MIC5318-2.9YMT-TR maintains a stable output voltage of 2.9V, regardless of input voltage fluctuations.
• Enable Pin: The EN pin allows for easy on/off control of the regulator.
• Bypass Capacitor Connection: The BYP pin provides a connection point for an external bypass capacitor to further improve stability and reduce noise.
• Thermal Shutdown Protection: The device includes thermal shutdown protection to prevent damage due to excessive heat.

Advantages and Disadvantages

Advantages

• High efficiency operation
• Low dropout voltage
• Compact package size
• Thermal shutdown protection

Disadvantages

• Limited maximum output current (500mA)

Working Principles

The MIC5318-2.9YMT-TR is a linear voltage regulator that uses a feedback mechanism to maintain a constant output voltage. It compares the output voltage with a reference voltage and adjusts the internal circuitry to ensure the desired output voltage is maintained. The regulator operates by dissipating excess voltage as heat, which is why it has a maximum output current limitation to prevent overheating.

Detailed Application Field Plans

The MIC5318-2.9YMT-TR finds applications in various electronic devices where a stable and regulated voltage supply is required. Some potential application fields include:

1. Mobile devices: Smartphones, tablets, and portable media players often require precise voltage regulation for their internal components.
2. IoT devices: Internet of Things (IoT) devices, such as sensors and wireless modules, benefit from the stable power supply provided by the MIC5318-2.9YMT-TR.
3. Wearable electronics: Fitness trackers, smartwatches, and other wearable devices rely on regulated voltage to ensure proper functionality.
4. Industrial equipment: Control systems, measurement instruments, and automation devices often require voltage regulators to maintain stable operation.

Detailed and Complete Alternative Models

1. LM317T: A popular general-purpose linear voltage regulator with adjustable output voltage.
2. LT1763: A low dropout (LDO) voltage regulator with high accuracy and low quiescent current.
3. TPS7A4700: An ultra-low noise LDO voltage regulator suitable for sensitive audio and RF applications.

These alternative models offer similar functionality to the MIC5318-2.9YMT-TR and can be considered as alternatives based on specific requirements and design considerations.

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