MIC4684YM

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Adjustable output voltage - Thermal shutdown protection - Short-circuit current limiting

Package: SOIC (Small Outline Integrated Circuit)

Essence: The MIC4684YM is a voltage regulator IC that provides a stable output voltage with low dropout. It is commonly used in various electronic devices to regulate and control the voltage supplied to different components.

Packaging/Quantity: The MIC4684YM is available in a standard SOIC package. Each package contains one IC.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 13.8V
• Dropout Voltage: 0.6V at 1A
• Output Current: Up to 1.5A
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MIC4684YM has the following pin configuration:

```

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| | --| Vout Vin|-- --| GND EN |-- --| FB NC |-- |___________| ```

• Vout: Output Voltage
• Vin: Input Voltage
• GND: Ground
• EN: Enable Pin
• FB: Feedback Pin
• NC: No Connection

Functional Features

• Low dropout voltage ensures efficient regulation even when the input voltage is close to the desired output voltage.
• High output current capability allows the IC to power multiple components simultaneously.
• Adjustable output voltage enables customization according to specific requirements.
• Thermal shutdown protection prevents overheating and damage to the IC.
• Short-circuit current limiting protects the IC and connected components from excessive current.

Advantages

• Stable output voltage regulation
• Wide input voltage range
• Low dropout voltage for efficient operation
• Adjustable output voltage for flexibility
• Thermal shutdown protection for enhanced reliability
• Short-circuit current limiting for added safety

Disadvantages

• Limited maximum output current compared to some other voltage regulator ICs
• Requires external components for proper operation (e.g., capacitors, resistors)

Working Principles

The MIC4684YM operates based on a linear voltage regulation principle. It compares the feedback voltage (FB) with a reference voltage to generate an error signal. This error signal is then used to adjust the output voltage by controlling the pass transistor. The enable pin (EN) allows the user to turn the regulator on or off as needed.

Detailed Application Field Plans

The MIC4684YM can be used in various applications, including but not limited to: 1. Power supplies for microcontrollers and other digital circuits 2. Battery-powered devices requiring stable voltage levels 3. Automotive electronics 4. Industrial control systems 5. Portable consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MIC4684YM include: 1. LM1117: Low dropout voltage regulator with adjustable output voltage. 2. LT1086: High current, low dropout voltage regulator with adjustable output voltage. 3. TPS7A47: Ultra-low dropout voltage regulator with high output current capability.

These alternative models can be considered based on specific requirements and application needs.

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