MIC2166YMME

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 limit

Package: 8-pin SOIC (Small Outline Integrated Circuit)

Essence: The MIC2166YMME is a voltage regulator IC that provides a stable output voltage from an input voltage source. It is commonly used in electronic devices to regulate and control the voltage supplied to various components.

Packaging/Quantity: The MIC2166YMME is available in a standard 8-pin SOIC package. Each package contains one unit of the IC.

Specifications

• Input Voltage Range: 2.7V to 16V
• Output Voltage Range: 1.25V to 13.5V
• Dropout Voltage: 300mV at 1A
• Output Current: Up to 1.5A
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MIC2166YMME 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: The MIC2166YMME has a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
• High Output Current Capability: With a maximum output current of 1.5A, the IC can provide sufficient power to drive various electronic components.
• Adjustable Output Voltage: The output voltage can be adjusted within a specified range using external resistors connected to the feedback pin (FB).
• Thermal Shutdown Protection: The IC incorporates thermal shutdown protection, which prevents damage due to excessive temperature.
• Short-Circuit Current Limit: The MIC2166YMME has built-in short-circuit current limiting, protecting the IC and other components from damage in case of a short circuit.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation even with low input voltages. - High output current capability allows for powering a wide range of electronic components. - Adjustable output voltage provides flexibility in different applications. - Thermal shutdown protection prevents overheating and potential damage. - Short-circuit current limit protects the IC and other components from damage during faults.

Disadvantages: - Limited output voltage range may not be suitable for certain specialized applications. - Requires external resistors for adjusting the output voltage, adding complexity to the circuit design.

Working Principles

The MIC2166YMME operates as a linear voltage regulator. It uses a pass transistor to regulate the output voltage based on the difference between the input and desired output voltage. The feedback pin (FB) is used to monitor the output voltage and adjust the pass transistor accordingly. By comparing the feedback voltage with a reference voltage, the IC maintains a stable output voltage.

Application Field Plans

The MIC2166YMME is commonly used in various electronic devices and applications, including but not limited to: - Battery-powered devices - Portable electronics - Automotive electronics - Industrial control systems - Power management circuits

Alternative Models

• LM317: A popular adjustable voltage regulator IC with similar features.
• LT1083: A high-current adjustable voltage regulator IC suitable for demanding applications.
• LM7805: A fixed 5V voltage regulator IC commonly used in low-power applications.

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

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