MIC3975-3.3BMM

Product Overview

Category

MIC3975-3.3BMM belongs to the category of voltage regulators.

Use

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

Characteristics

• Input Voltage Range: 2.7V to 16V
• Output Voltage: 3.3V
• Maximum Output Current: 1A
• Dropout Voltage: 350mV at 1A
• Low Quiescent Current: 120µA
• Thermal Shutdown Protection
• Short-Circuit Protection
• Reverse Battery Protection

Package

MIC3975-3.3BMM comes in a miniature SOT-23-5 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

This product is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of MIC3975-3.3BMM voltage regulators.

Specifications

• Input Voltage Range: 2.7V to 16V
• Output Voltage: 3.3V ±2%
• Maximum Output Current: 1A
• Dropout Voltage: 350mV at 1A
• Quiescent Current: 120µA (typical)
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOT-23-5

Detailed Pin Configuration

MIC3975-3.3BMM has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. EN (Enable)
4. BYP (Bypass Capacitor)
5. VOUT (Output Voltage)

Functional Features

• Wide input voltage range allows for versatile applications.
• Low dropout voltage ensures efficient power conversion.
• Thermal shutdown protection prevents overheating and damage to the device.
• Short-circuit protection safeguards against excessive current flow.
• Reverse battery protection prevents damage due to reverse polarity.

Advantages

• Compact SOT-23-5 package enables space-saving designs.
• Low quiescent current minimizes power consumption.
• Wide operating temperature range allows for reliable operation in various environments.
• Excellent line and load regulation ensures stable output voltage.

Disadvantages

• Limited maximum output current of 1A may not be suitable for high-power applications.
• Dropout voltage of 350mV at 1A may result in some power loss.

Working Principles

MIC3975-3.3BMM operates based on a linear voltage regulator principle. It takes an input voltage within the specified range and regulates it to a stable 3.3V output voltage. The internal circuitry of the regulator adjusts the voltage by controlling the flow of current through a series pass transistor.

Detailed Application Field Plans

MIC3975-3.3BMM finds applications in various electronic devices and systems, including but not limited to:

1. Battery-powered devices: Portable electronics, handheld instruments, etc.
2. Automotive electronics: Infotainment systems, navigation devices, etc.
3. Industrial control systems: Sensors, actuators, motor control, etc.
4. Communication equipment: Wireless routers, access points, etc.
5. IoT devices: Smart home devices, wearable technology, etc.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to MIC3975-3.3BMM include:

1. LM1117-3.3: A popular 3.3V linear voltage regulator with a TO-220 package.
2. LT1763-3.3: A low dropout 3.3V regulator with adjustable output voltage.
3. TPS7A3301: A high-performance 3.3V regulator with ultra-low dropout voltage.

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

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