MIC2184YM

Product Overview

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

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 1.23V to 20V
• Output Current: Up to 1A
• Quiescent Current: 120µA (typical)
• Switching Frequency: 500kHz (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC2184YM has a standard SOIC-8 package with the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. FB: Feedback Pin
4. EN: Enable Pin
5. SW: Switching Node
6. NC: No Connection
7. NC: No Connection
8. VOUT: Output Voltage

Functional Features

• High Efficiency: The MIC2184YM utilizes a synchronous buck regulator architecture, resulting in high efficiency power conversion.
• Low Quiescent Current: With a quiescent current of only 120µA, the MIC2184YM minimizes power consumption during standby or light load conditions.
• Wide Input Voltage Range: The device can accept input voltages ranging from 4.5V to 28V, making it suitable for various applications.
• Adjustable Output Voltage: The output voltage can be adjusted from 1.23V to 20V, providing flexibility for different system requirements.
• Protection Features: The MIC2184YM includes built-in protection features such as over-temperature, over-current, and under-voltage lockout.

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Low quiescent current for reduced power consumption - Wide input voltage range for versatility - Adjustable output voltage for flexibility - Built-in protection features for enhanced reliability

Disadvantages: - Limited output current capability (up to 1A)

Working Principles

The MIC2184YM is a synchronous buck regulator that converts a higher input voltage to a lower output voltage. It utilizes pulse-width modulation (PWM) to control the duty cycle of the switching transistor, which regulates the output voltage. The feedback pin (FB) monitors the output voltage and adjusts the duty cycle accordingly to maintain a stable output. The enable pin (EN) allows for easy on/off control of the regulator.

Detailed Application Field Plans

The MIC2184YM is commonly used in various applications where efficient power management is required. Some typical application fields include:

1. Industrial Automation: The device can be used in industrial automation systems to regulate power supply voltages for sensors, actuators, and control circuits.
2. Telecommunications: It is suitable for telecom equipment such as routers, switches, and base stations, providing stable power for critical components.
3. Consumer Electronics: The MIC2184YM can be utilized in consumer electronics devices like set-top boxes, gaming consoles, and home appliances to ensure reliable power delivery.
4. Automotive: It finds applications in automotive systems, including infotainment systems, lighting controls, and engine management units, due to its wide input voltage range and protection features.

Detailed and Complete Alternative Models

1. MIC2185YM: Similar to MIC2184YM but with higher output current capability (up to 2A).
2. MIC2186YM: Offers adjustable output voltage and higher switching frequency (up to 1MHz).
3. MIC2187YM: Provides additional protection features such as over-voltage and short-circuit protection.

These alternative models offer different specifications and features, allowing users to choose the most suitable option for their specific requirements.

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