MIC5301-3.3YD5-TR

Product Overview

Category

MIC5301-3.3YD5-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 MIC5301-3.3YD5-TR is designed to provide a stable output voltage of 3.3V.
• Efficiency: It offers high efficiency, ensuring minimal power loss during operation.
• Low dropout voltage: The device has a low dropout voltage, allowing it to operate even when the input voltage is close to the desired output voltage.
• Thermal shutdown protection: It includes built-in thermal shutdown protection to prevent overheating and damage to the device.
• Small package size: The MIC5301-3.3YD5-TR comes in a compact package, making it suitable for space-constrained applications.

Package and Quantity

The MIC5301-3.3YD5-TR is available in a surface-mount package (SOT-23-5) and is typically sold in reels containing a quantity of 3000 units.

Specifications

• Input voltage range: 2.7V to 5.5V
• Output voltage: 3.3V
• Maximum output current: 150mA
• Dropout voltage: 120mV at 100mA
• Quiescent current: 45µA
• Operating temperature range: -40°C to +85°C

Pin Configuration

The MIC5301-3.3YD5-TR has five pins arranged as follows:

```

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| | --| VIN GND |-- Pin 1: Ground --| VOUT EN |-- Pin 2: Enable (Active High) --| NC VOUT |-- Pin 3: Output Voltage --| NC NC |-- Pin 4: Not Connected --| VIN NC |-- Pin 5: Input Voltage |___________| ```

Functional Features

• Voltage regulation: The MIC5301-3.3YD5-TR ensures a stable output voltage of 3.3V, regardless of input voltage fluctuations.
• Enable pin: The device includes an enable pin that allows the user to control the regulator's operation. When the enable pin is high, the regulator is active, and when it is low, the regulator is in shutdown mode.
• Low dropout voltage: The low dropout voltage enables the regulator to operate efficiently even when the input voltage is close to the desired output voltage.
• Thermal shutdown protection: Built-in thermal shutdown protection prevents the device from overheating, ensuring its longevity and reliability.

Advantages and Disadvantages

Advantages

• High efficiency
• Small package size
• Wide input voltage range
• Low dropout voltage
• Thermal shutdown protection

Disadvantages

• Limited maximum output current (150mA)

Working Principles

The MIC5301-3.3YD5-TR operates as a linear voltage regulator. It uses a feedback mechanism to compare the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage of 3.3V. The device utilizes a pass transistor to regulate the voltage and dissipates excess power as heat.

Application Field Plans

The MIC5301-3.3YD5-TR finds applications in various electronic devices where a stable 3.3V power supply is required. Some potential application fields include:

1. Mobile devices: Smartphones, tablets, and portable media players often require a regulated 3.3V 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 the MIC5301-3.3YD5-TR.
3. Wearable electronics: Fitness trackers, smartwatches, and other wearable devices often rely on a regulated 3.3V power source for their operation.

Alternative Models

Some alternative models that offer similar functionality to the MIC5301-3.3YD5-TR include:

1. LM1117-3.3: A popular linear voltage regulator with a fixed output voltage of 3.3V.
2. XC6206P332MR: Another voltage regulator providing a stable 3.3V output in a small SOT-23 package.
3. AP2112K-3.3TRG1: A low dropout voltage regulator capable of delivering up to 150mA at 3.3V.

These alternative models can be considered based on specific application requirements and availability.

In conclusion, the MIC5301-3.3YD5-TR is a voltage regulator designed to provide a stable