MIC5319-3.3YD5-TR

Product Overview

Category

MIC5319-3.3YD5-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 MIC5319-3.3YD5-TR provides a stable output voltage of 3.3V.
• Efficiency: It offers high efficiency, ensuring minimal power loss during operation.
• Low dropout voltage: The regulator has a low dropout voltage, enabling it to operate even when the input voltage is close to the desired output voltage.
• Thermal shutdown protection: It includes thermal shutdown protection to prevent damage due to excessive heat.
• Small package size: The MIC5319-3.3YD5-TR comes in a compact package, making it suitable for space-constrained applications.

Package

The MIC5319-3.3YD5-TR is available in a small outline SOT-23-5 package.

Essence

The essence of this product lies in its ability to provide a stable and regulated voltage supply for electronic devices.

Packaging/Quantity

The MIC5319-3.3YD5-TR is typically packaged in reels containing 3000 units.

Specifications

• Input voltage range: 2.7V to 5.5V
• Output voltage: 3.3V
• Maximum output current: 500mA
• Dropout voltage: 200mV at 100mA
• Quiescent current: 60µA
• Operating temperature range: -40°C to +125°C

Detailed Pin Configuration

The MIC5319-3.3YD5-TR has five pins arranged as follows:

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

Functional Features

• Low quiescent current: The MIC5319-3.3YD5-TR has a low quiescent current, minimizing power consumption when the device is in standby mode.
• Fast transient response: It provides a fast and stable response to sudden changes in load current.
• Short-circuit protection: The regulator includes short-circuit protection to prevent damage in case of a short circuit on the output side.
• Adjustable output voltage: Some variants of the MIC5319 series allow for adjustable output voltage through external resistors.

Advantages and Disadvantages

Advantages

• High efficiency ensures minimal power loss.
• Small package size allows for easy integration into compact designs.
• Thermal shutdown protection prevents damage due to excessive heat.
• Fast transient response ensures stability during load changes.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Fixed output voltage may not be suitable for applications requiring variable voltage levels.

Working Principles

The MIC5319-3.3YD5-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 stable output voltage of 3.3V. The regulator regulates the input voltage by dissipating excess energy as heat.

Detailed Application Field Plans

The MIC5319-3.3YD5-TR finds application in various electronic devices that require a stable 3.3V power supply. Some common application fields include:

1. Mobile devices: Smartphones, tablets, and portable media players often utilize this voltage regulator to power their internal components.
2. IoT devices: Internet of Things (IoT) devices, such as sensors and wireless modules, benefit from the stable voltage supply provided by the MIC5319-3.3YD5-TR.
3. Embedded systems: Microcontrollers, development boards, and other embedded systems rely on this regulator for consistent power delivery.

Detailed and Complete Alternative Models

1. MIC5205-3.3YM5-TR: This voltage regulator offers similar characteristics and package size but has a lower maximum output current of 150mA.
2. MCP1700-3302E/TO: Another alternative with a fixed 3.3V output voltage, this regulator provides a higher maximum output current of 250mA.

In conclusion, the MIC5319-3.3YD5-TR is a voltage regulator that provides a stable 3.3V output voltage for various electronic devices. Its high efficiency, small package size, and thermal shutdown protection make it suitable for a wide range of applications. However, its limited maximum output current and fixed output voltage may restrict its use in certain high-power or variable voltage applications.