MIC49150-1.8YMM-TR

Product Overview

Category

The MIC49150-1.8YMM-TR belongs to the category of voltage regulators.

Use

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

Characteristics

• Voltage regulation: The MIC49150-1.8YMM-TR provides a stable output voltage of 1.8V.
• Efficiency: This voltage regulator offers high efficiency, minimizing power loss during operation.
• Low dropout voltage: The device has a low dropout voltage, ensuring reliable performance even when the input voltage is close to the desired output voltage.
• Thermal shutdown protection: The MIC49150-1.8YMM-TR includes thermal shutdown protection, preventing damage due to excessive heat.
• Short-circuit protection: It also features short-circuit protection, safeguarding the circuit from potential damage in case of a short circuit.

Package and Quantity

The MIC49150-1.8YMM-TR is available in a small surface-mount package (YMM) and is typically sold in reels or tape and reel packaging. The exact quantity per package may vary depending on the supplier.

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 1.8V
• Maximum Output Current: 150mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 45µA (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MIC49150-1.8YMM-TR has the following pin configuration:

```

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| | --| VIN GND |-- --| VOUT EN |-- |___________| ```

• VIN: Input voltage pin
• GND: Ground pin
• VOUT: Output voltage pin
• EN: Enable pin (active high)

Functional Features

1. Voltage Regulation: The MIC49150-1.8YMM-TR ensures a stable output voltage of 1.8V, regardless of input voltage fluctuations.
2. Low Dropout Voltage: With a low dropout voltage of 200mV, this regulator can maintain a stable output even when the input voltage is close to the desired output voltage.
3. Thermal Shutdown Protection: The device includes thermal shutdown protection, which automatically shuts down the regulator if the temperature exceeds a safe threshold, preventing damage.
4. Short-Circuit Protection: The MIC49150-1.8YMM-TR incorporates short-circuit protection, safeguarding the circuit from potential damage in case of a short circuit.

Advantages and Disadvantages

Advantages

• Stable output voltage regulation
• High efficiency
• Low dropout voltage
• Thermal shutdown protection
• Short-circuit protection

Disadvantages

• Limited maximum output current (150mA)
• Restricted input voltage range (2.5V to 6.5V)

Working Principles

The MIC49150-1.8YMM-TR operates as a linear voltage regulator. It uses a feedback mechanism to compare the output voltage with a reference voltage of 1.8V. If the output voltage deviates from the desired value, the regulator adjusts its internal circuitry to bring it back to the specified level. This continuous feedback loop ensures a stable output voltage.

Application Field Plans

The MIC49150-1.8YMM-TR finds applications in various electronic devices and circuits that require a stable 1.8V power supply. Some common application areas include:

1. Mobile Devices: Smartphones, tablets, and portable media players often utilize this voltage regulator to power low-voltage components.
2. IoT Devices: Internet of Things (IoT) devices, such as sensors and microcontrollers, benefit from the stable voltage provided by the MIC49150-1.8YMM-TR.
3. Embedded Systems: Many embedded systems rely on this regulator to maintain a consistent power supply for their components.
4. Battery-Powered Devices: The low dropout voltage and efficient operation make this regulator suitable for battery-powered devices that require a stable 1.8V output.

Alternative Models

There are several alternative models available in the market that offer similar functionality to the MIC49150-1.8YMM-TR. Some notable alternatives include:

1. LM1117-1.8: A popular voltage regulator with a fixed 1.8V output voltage.
2. MCP1700-1802E: Another 1.8V voltage regulator known for its low quiescent current and small package size.
3. TPS78218: This regulator offers a 1.8V output voltage and features low dropout voltage and high efficiency.

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