MIC2174-1YMM

Product Overview

Category

MIC2174-1YMM belongs to the category of integrated circuits (ICs).

Use

The MIC2174-1YMM is commonly used as a voltage regulator in various electronic devices.

Characteristics

• Input Voltage Range: 4.5V to 60V
• Output Voltage Range: 1.25V to 55V
• Output Current: Up to 1A
• Efficiency: Up to 95%
• Package Type: 8-Lead MSOP
• Essence: Low dropout voltage, high efficiency, and compact size
• Packaging/Quantity: Tape and Reel, 3,000 units per reel

Specifications

The MIC2174-1YMM has the following specifications:

• Dropout Voltage: 300mV at 1A
• Line Regulation: 0.02%/V
• Load Regulation: 0.2%
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +125°C
• Shutdown Current: 0.1µA

Pin Configuration

The MIC2174-1YMM has an 8-lead MSOP package with the following pin configuration:

1. VIN: Input voltage
2. GND: Ground
3. FB: Feedback pin for output voltage regulation
4. EN: Enable pin for turning the regulator on/off
5. SS/TR: Soft-start/tracking pin
6. COMP: Compensation pin for stability
7. VOUT: Output voltage
8. SW: Switching node

Functional Features

The MIC2174-1YMM offers the following functional features:

• Wide input voltage range allows for versatile applications
• High efficiency ensures minimal power loss
• Low dropout voltage enables operation with low input voltages
• Adjustable output voltage provides flexibility
• Overcurrent and thermal protection for enhanced reliability

Advantages and Disadvantages

Advantages: - Wide input voltage range allows for compatibility with various power sources - High efficiency reduces energy consumption and heat dissipation - Compact size enables integration into space-constrained designs - Overcurrent and thermal protection enhance system reliability

Disadvantages: - Limited output current capacity may not be suitable for high-power applications - Requires external components for proper operation

Working Principles

The MIC2174-1YMM is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the feedback voltage (FB) with a reference voltage to adjust the pass transistor's conduction, maintaining a stable output voltage regardless of input variations.

Detailed Application Field Plans

The MIC2174-1YMM finds applications in various fields, including:

1. Automotive electronics: Powering infotainment systems, lighting modules, and sensors.
2. Industrial automation: Providing regulated power for control systems, motor drives, and sensors.
3. Consumer electronics: Powering portable devices, audio/video equipment, and home appliances.
4. Telecommunications: Regulating voltage for networking equipment, base stations, and communication devices.

Detailed and Complete Alternative Models

1. LM317: A popular linear voltage regulator with adjustable output voltage and higher output current capability.
2. LT1084: A low dropout voltage regulator with adjustable output voltage and higher output current capacity.
3. TPS7A47: An ultra-low dropout voltage regulator with fixed output voltage and high PSRR (power supply rejection ratio).

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

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