MIC3975-5.0BMM

Product Overview

Category

MIC3975-5.0BMM 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: 4.5V to 60V
• Output Voltage: 5.0V
• Maximum Output Current: 1A
• Dropout Voltage: 300mV (typical)
• Low Quiescent Current: 85µA (typical)
• Operating Temperature Range: -40°C to +125°C
• Package Type: 8-Lead MSOP

Packaging/Quantity

The MIC3975-5.0BMM is available in a standard 8-Lead MSOP package. It is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 60V
• Output Voltage: 5.0V ±2%
• Maximum Output Current: 1A
• Dropout Voltage: 300mV (typical) at 1A load current
• Quiescent Current: 85µA (typical)
• Line Regulation: 0.02%/V (typical)
• Load Regulation: 0.05%/A (typical)
• Ripple Rejection: 70dB (typical)
• Thermal Shutdown Protection: Yes
• Short Circuit Protection: Yes
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MIC3975-5.0BMM has the following pin configuration:

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

Functional Features

• Wide input voltage range allows for versatile applications.
• Low dropout voltage ensures efficient power conversion.
• Low quiescent current minimizes power consumption.
• Thermal shutdown protection prevents overheating.
• Short circuit protection safeguards the regulator and connected components.

Advantages

• High efficiency and low power dissipation.
• Compact package size enables space-saving designs.
• Wide operating temperature range for various environments.
• Robust protection features enhance reliability.
• Easy to integrate into existing circuits.

Disadvantages

• Limited maximum output current of 1A.
• Output voltage fixed at 5.0V, not adjustable.

Working Principles

The MIC3975-5.0BMM is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the feedback voltage with a reference voltage to adjust the pass transistor's resistance and maintain a stable output voltage. The dropout voltage is minimized to ensure efficient power conversion even when the input voltage is close to the desired output voltage.

Application Field Plans

The MIC3975-5.0BMM is suitable for a wide range of applications, including but not limited to:

1. Battery-powered devices
2. Automotive electronics
3. Industrial control systems
4. Telecommunications equipment
5. Power management modules
6. Portable consumer electronics

Alternative Models

1. LM1117-5.0: Similar specifications and pin configuration, available in different package types.
2. LT1763-5.0: Higher maximum output current (up to 3A), lower dropout voltage.
3. TPS7A4700: Adjustable output voltage, higher maximum output current (up to 4A).

These alternative models offer similar functionality and can be considered based on specific requirements and design constraints.

In conclusion, the MIC3975-5.0BMM is a voltage regulator with a wide input voltage range, low dropout voltage, and compact package size. It provides stable 5.0V output voltage with efficient power conversion. While it has limitations in terms of maximum output current and fixed output voltage, its advantages include high efficiency, robust protection features, and wide operating temperature range. It finds applications in various fields such as battery-powered devices, automotive electronics, and industrial control systems. Alternative models with different specifications are also available for consideration.