MIC37151-3.3BR TR

Product Overview

Category

MIC37151-3.3BR TR belongs to the category of voltage regulators.

Use

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

Characteristics

• Voltage regulation: The MIC37151-3.3BR TR provides a stable output voltage of 3.3V.
• Low dropout voltage: It operates efficiently even when the input voltage is close to the desired output voltage.
• High current capability: This regulator can handle high currents up to a certain limit.
• Thermal shutdown protection: It includes built-in protection against excessive heat, preventing damage to the device.
• Small package size: The MIC37151-3.3BR TR comes in a compact package, making it suitable for space-constrained applications.

Package

The MIC37151-3.3BR TR is available in a small outline transistor (SOT) package.

Essence

The essence of this product lies in its ability to provide a stable and regulated output voltage, ensuring reliable operation of electronic devices.

Packaging/Quantity

The MIC37151-3.3BR TR is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input voltage range: 4.5V to 20V
• Output voltage: 3.3V
• Dropout voltage: 200mV at 1A load
• Maximum output current: 1.5A
• Quiescent current: 120µA
• Operating temperature range: -40°C to +125°C

Detailed Pin Configuration

The MIC37151-3.3BR TR has the following pin configuration:

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

Functional Features

• Voltage regulation: The MIC37151-3.3BR TR maintains a constant output voltage despite variations in the input voltage.
• Current limiting: It includes current limiting protection to prevent excessive current flow.
• Thermal shutdown: The device shuts down if the temperature exceeds a safe limit, protecting it from damage.

Advantages and Disadvantages

Advantages

• Stable output voltage ensures reliable operation of electronic circuits.
• Low dropout voltage allows efficient operation even with small voltage differentials.
• High current capability enables it to handle demanding loads.
• Thermal shutdown protection prevents overheating and damage.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Requires external components for proper operation.

Working Principles

The MIC37151-3.3BR TR is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The MIC37151-3.3BR TR finds applications in various electronic devices and systems, including:

1. Power supplies: It can be used in power supply circuits to provide a regulated voltage for other components.
2. Microcontrollers: This voltage regulator ensures a stable power source for microcontrollers, preventing voltage fluctuations that could affect their performance.
3. Communication systems: It is suitable for maintaining a steady voltage supply in communication equipment, such as routers and modems.
4. Automotive electronics: The MIC37151-3.3BR TR can be utilized in automotive applications, such as infotainment systems or engine control units.

Detailed and Complete Alternative Models

Some alternative models to the MIC37151-3.3BR TR include:

1. LM1117-3.3: A popular voltage regulator with similar specifications and features.
2. LT1763-3.3: Another high-performance voltage regulator suitable for various applications.
3. TPS7A3301: A low-dropout voltage regulator with adjustable output voltage.

These alternative models offer similar functionality and can be considered as substitutes based on specific requirements.

In conclusion, the MIC37151-3.3BR TR is a voltage regulator that provides stable and regulated voltage output. It offers advantages such as low dropout voltage, high current capability, and thermal shutdown protection. Its applications range from power supplies to automotive electronics. Alternative models like LM1117-3.3, LT1763-3.3, and TPS7A3301 provide similar functionality and can be used as alternatives in different scenarios.