MIC3975BMM-TR

Product Overview

Category

The MIC3975BMM-TR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for voltage regulation and power management.

Characteristics

• The MIC3975BMM-TR is a low-dropout (LDO) linear regulator.
• It provides a stable output voltage even when the input voltage varies.
• It has a low dropout voltage, ensuring efficient power conversion.
• This IC offers excellent line and load regulation.
• It operates over a wide temperature range, making it suitable for various applications.

Package

The MIC3975BMM-TR comes in a miniature 8-pin MSOP package.

Essence

The essence of this product lies in its ability to regulate and stabilize voltage, ensuring reliable performance of electronic devices.

Packaging/Quantity

The MIC3975BMM-TR is typically packaged in reels containing a specified quantity of units. The exact packaging and quantity can vary depending on the manufacturer.

Specifications

• Input Voltage Range: 2.7V to 16V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV at 500mA
• Maximum Output Current: 500mA
• Line Regulation: ±0.05%
• Load Regulation: ±0.1%
• Quiescent Current: 120µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC3975BMM-TR features the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin (active high)
4. BYP: Bypass capacitor pin
5. NC: No connection
6. VOUT: Output voltage pin
7. NC: No connection
8. VREF: Reference voltage pin

Functional Features

• Low dropout voltage ensures efficient power conversion.
• Excellent line and load regulation for stable output voltage.
• Thermal shutdown protection prevents damage due to excessive heat.
• Current limit protection safeguards against overcurrent conditions.
• Enable pin allows for easy on/off control of the regulator.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• Stable output voltage even with varying input voltage.
• Compact package size enables space-saving designs.
• Low quiescent current minimizes power consumption.
• Robust protection features enhance reliability.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Dropout voltage may affect efficiency in low-input voltage scenarios.

Working Principles

The MIC3975BMM-TR operates as a linear regulator, maintaining a constant output voltage by adjusting the input voltage. It uses a pass transistor to regulate the voltage drop across it, ensuring a stable output voltage despite fluctuations in the input voltage.

Detailed Application Field Plans

The MIC3975BMM-TR finds applications in various electronic devices that require voltage regulation and power management. Some potential application fields include:

1. Battery-powered devices: Portable electronics such as smartphones, tablets, and wearable devices benefit from the MIC3975BMM-TR's efficient power conversion and stable output voltage.

2. Industrial equipment: The IC can be used in industrial control systems, sensors, and instrumentation devices to ensure reliable and accurate voltage regulation.

3. Automotive electronics: The MIC3975BMM-TR can be employed in automotive applications like infotainment systems, lighting controls, and engine management systems, where stable voltage supply is crucial.

4. Communication devices: Wireless routers, modems, and network switches can utilize this IC for voltage regulation, enhancing their performance and reliability.

Detailed and Complete Alternative Models

1. MIC5205-3.3YM5-TR: This LDO regulator offers a fixed output voltage of 3.3V and a maximum output current of 150mA. It comes in a SOT-23 package.

2. LT1763CS8-3.3#PBF: This IC provides a fixed output voltage of 3.3V with a maximum output current of 500mA. It is available in an 8-pin SOIC package.

3. TPS7A4700RGWT: This LDO regulator features an adjustable output voltage range from 1.2V to 20V and a maximum output current of 1A. It comes in a 20-pin VQFN package.

These alternative models offer similar functionality to the MIC3975BMM-TR, catering to different voltage and current requirements.

In conclusion, the MIC3975BMM-TR is a versatile and reliable low-dropout linear regulator used for voltage regulation and power management in various electronic devices. Its compact size, stable output voltage, and robust protection features