MIC5337-1.8YMT-TR

Product Overview

Category

The MIC5337-1.8YMT-TR belongs to the category of voltage regulators.

Use

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

Characteristics

• Voltage regulation: The MIC5337-1.8YMT-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 output voltage.
• Thermal shutdown protection: The MIC5337-1.8YMT-TR includes thermal shutdown protection, preventing damage due to excessive heat.
• Small package size: The device comes in a compact package, making it suitable for space-constrained applications.

Package and Quantity

The MIC5337-1.8YMT-TR is available in a small surface-mount package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage: 1.8V
• Maximum Output Current: 500mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 45µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MIC5337-1.8YMT-TR has the following pin configuration:

```

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| | | 1 6 | | | |_______________|

Pin 1: VIN (Input Voltage) Pin 2: GND (Ground) Pin 3: EN (Enable) Pin 4: BYP (Bypass) Pin 5: FB (Feedback) Pin 6: VOUT (Output Voltage) ```

Functional Features

• Voltage Regulation: The MIC5337-1.8YMT-TR ensures a stable output voltage of 1.8V, regardless of input voltage fluctuations.
• Enable Pin: The EN pin allows for easy on/off control of the regulator, conserving power when not in use.
• Bypass Mode: The BYP pin can be used to bypass the regulator and connect the output directly to the input, useful in certain applications.
• Thermal Shutdown Protection: The device includes thermal shutdown protection, automatically disabling the regulator if the temperature exceeds safe limits.

Advantages and Disadvantages

Advantages

• High efficiency, minimizing power loss.
• Low dropout voltage ensures reliable performance.
• Compact package size suitable for space-constrained applications.
• Thermal shutdown protection prevents damage due to excessive heat.

Disadvantages

• Limited maximum output current of 500mA.
• Input voltage range limited to 2.5V to 5.5V.

Working Principles

The MIC5337-1.8YMT-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 regulate the output at the desired level. The device operates by dissipating excess voltage as heat, which is why it has a dropout voltage specification.

Application Field Plans

The MIC5337-1.8YMT-TR finds applications in various electronic devices where a stable 1.8V voltage supply is required. Some potential application fields include:

1. Mobile Devices: Smartphones, tablets, and portable media players often require a regulated 1.8V supply for powering various components.
2. IoT Devices: Internet of Things (IoT) devices, such as sensors and wireless modules, can benefit from the stable voltage provided by this regulator.
3. Embedded Systems: Microcontrollers, FPGA boards, and other embedded systems often rely on regulated voltages for proper operation.

Alternative Models

For those seeking alternative options, the following models provide similar functionality to the MIC5337-1.8YMT-TR:

1. LT1763-1.8: A low dropout linear regulator with a fixed 1.8V output voltage.
2. TPS73618: A 1.8V fixed-output voltage regulator with low dropout voltage and high PSRR.
3. MCP1700-1802E: Another 1.8V fixed-output voltage regulator suitable for low-power applications.

These alternatives offer comparable features and can be considered based on specific requirements.

In conclusion, the MIC5337-1.8YMT-TR is a voltage regulator that provides a stable 1.8V output voltage. With its high efficiency, low dropout voltage, and thermal shutdown protection, it is well-suited for various electronic applications. However, its limited maximum