MIC4680-3.3YM-TR

Product Overview

Category

The MIC4680-3.3YM-TR belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

• Voltage regulation: The MIC4680-3.3YM-TR provides a regulated output voltage of 3.3 volts.
• High efficiency: This voltage regulator offers high efficiency, ensuring minimal power loss during operation.
• Low dropout voltage: The device has a low dropout voltage, enabling it to regulate voltage even when the input voltage is close to the desired output voltage.
• Thermal shutdown protection: The MIC4680-3.3YM-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 MIC4680-3.3YM-TR is available in a small outline package (SOT-23) and is typically sold in reels or tubes containing a specified quantity of units.

Specifications

• Input voltage range: 2.5V to 16V
• Output voltage: 3.3V
• Maximum output current: 500mA
• Dropout voltage: 200mV at 100mA
• Quiescent current: 120µA
• Operating temperature range: -40°C to +125°C

Pin Configuration

The MIC4680-3.3YM-TR has the following pin configuration:

1. VIN (Input voltage)
2. GND (Ground)
3. VOUT (Output voltage)

Functional Features

• Voltage regulation: The MIC4680-3.3YM-TR ensures a stable output voltage of 3.3 volts, regardless of variations in the input voltage.
• Load regulation: It maintains a consistent output voltage even when the load on the circuit changes.
• Thermal shutdown protection: The device shuts down if the temperature exceeds a certain threshold, preventing damage due to overheating.
• Short-circuit protection: In case of a short circuit, the MIC4680-3.3YM-TR limits the current flow to protect the circuit.

Advantages and Disadvantages

Advantages

• High efficiency ensures minimal power loss.
• Low dropout voltage allows for efficient voltage regulation.
• Thermal shutdown protection prevents damage from excessive heat.
• Short-circuit protection safeguards the circuit.

Disadvantages

• Limited maximum output current (500mA).

Working Principles

The MIC4680-3.3YM-TR operates based on the principle of linear voltage regulation. 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 3.3 volts. This is achieved by controlling the current flow through a pass transistor.

Detailed Application Field Plans

The MIC4680-3.3YM-TR finds applications in various electronic devices and circuits that require a regulated 3.3V power supply. Some common application fields include:

1. Battery-powered devices: Portable electronic devices such as smartphones, tablets, and portable audio players often require a stable 3.3V power supply, making the MIC4680-3.3YM-TR suitable for these applications.
2. Embedded systems: Microcontrollers, sensors, and other components in embedded systems often require a regulated voltage, and the MIC4680-3.3YM-TR can provide the necessary stability.
3. Industrial automation: Control systems, motor drivers, and other industrial automation equipment can benefit from the voltage regulation capabilities of the MIC4680-3.3YM-TR.

Detailed and Complete Alternative Models

1. LM1117-3.3: This voltage regulator offers similar specifications and features to the MIC4680-3.3YM-TR, making it a suitable alternative.
2. LT1763-3.3: Another alternative with comparable characteristics, the LT1763-3.3 provides efficient voltage regulation at 3.3 volts.

In conclusion, the MIC4680-3.3YM-TR is a voltage regulator that provides stable and efficient voltage regulation at 3.3 volts. With its compact package, thermal shutdown protection, and short-circuit protection, it finds applications in various electronic devices and circuits. Alternative models such as the LM1117-3.3 and LT1763-3.3 offer similar functionality for those seeking alternatives to the MIC4680-3.3YM-TR.