MIC2172BM

Product Overview

• Category: Integrated Circuit
• Use: Power Management
• Characteristics: High Efficiency, Low Dropout Voltage, Adjustable Output Voltage
• Package: SOIC-8
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 60V
• Output Voltage Range: 1.25V to 55V
• Output Current: Up to 1A
• Dropout Voltage: 300mV (typical)
• Quiescent Current: 120µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC2172BM has a standard SOIC-8 package with the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin for output voltage regulation
4. EN: Enable pin for turning the regulator on/off
5. VOUT: Output voltage pin
6. COMP: Compensation pin for stability control
7. SS/TR: Soft-start/Tracking pin for controlling startup behavior
8. NC: No connection pin

Functional Features

• High efficiency power management solution
• Low dropout voltage for improved performance
• Adjustable output voltage for flexibility
• Overcurrent protection for enhanced safety
• Thermal shutdown protection to prevent overheating
• Enable pin for easy on/off control

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications
• High efficiency results in reduced power consumption
• Low dropout voltage ensures stable output even at low input voltages
• Adjustable output voltage provides customization options
• Overcurrent and thermal protection enhance reliability

Disadvantages

• Limited output current of up to 1A may not be sufficient for high-power applications
• SOIC-8 package may require additional heat dissipation measures in certain scenarios

Working Principles

The MIC2172BM is a voltage regulator that takes an input voltage within the range of 4.5V to 60V and provides a regulated output voltage between 1.25V and 55V. It achieves this by utilizing an internal control loop that adjusts the duty cycle of an integrated switch to maintain the desired output voltage.

The regulator operates in continuous conduction mode, ensuring smooth and efficient power delivery. It incorporates various protection features such as overcurrent and thermal shutdown to safeguard both the regulator and the connected circuitry.

Detailed Application Field Plans

The MIC2172BM can be used in a wide range of applications, including but not limited to:

1. Industrial automation systems
2. Automotive electronics
3. Power supplies for consumer electronics
4. Battery charging circuits
5. LED lighting systems
6. Telecommunications equipment
7. Medical devices

Its adjustable output voltage and high efficiency make it suitable for diverse power management requirements across different industries.

Detailed and Complete Alternative Models

1. LM317: Adjustable Voltage Regulator, TO-220 package
2. LT1084: Low Dropout Positive Fixed Regulator, TO-220 package
3. TPS7A47: Ultra-Low Noise, High PSRR, Fast Transient Response LDO Voltage Regulator, VQFN-16 package
4. MAX15062: High-Efficiency, 2A, Step-Down DC-DC Regulator, TDFN-8 package
5. ADP7104: Ultralow Noise, High PSRR, RF Linear Regulator, SOT-23 package

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

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