MIC2169ABMM

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Wide input voltage range - Adjustable output voltage - Thermal shutdown protection

Package: 8-pin MSOP (Mini Small Outline Package)

Essence: The MIC2169ABMM is a voltage regulator IC that provides a stable output voltage from a varying input voltage source.

Packaging/Quantity: The MIC2169ABMM is available in tape and reel packaging, with 2500 units per reel.

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 3A
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MIC2169ABMM has the following pin configuration:

```

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| | --| EN GND |-- Pin 1: Enable (EN) --| FB VIN |-- Pin 2: Feedback (FB) --| VOUT VOUT|-- Pin 3: Output Voltage (VOUT) --| NC NC |-- Pin 4: No Connection (NC) --| NC NC |-- Pin 5: No Connection (NC) --| NC NC |-- Pin 6: No Connection (NC) --| VIN VIN |-- Pin 7: Input Voltage (VIN) --| GND EN |-- Pin 8: Ground (GND) |___________| ```

Functional Features

• Low Dropout Voltage: The MIC2169ABMM has a low dropout voltage of 300mV at 1A, 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 3A, the MIC2169ABMM can handle high current loads without compromising the stability of the output voltage.

• Wide Input Voltage Range: The IC can operate with an input voltage range of 2.7V to 16V, making it suitable for various applications.

• Adjustable Output Voltage: The output voltage can be adjusted within the range of 1.25V to 13.5V by using external resistors.

• Thermal Shutdown Protection: The MIC2169ABMM incorporates thermal shutdown protection, which prevents the IC from overheating and ensures its safe operation.

Advantages and Disadvantages

Advantages: - Low dropout voltage enables efficient regulation - High output current capability for demanding applications - Wide input voltage range provides versatility - Adjustable output voltage allows flexibility in design - Thermal shutdown protection ensures safety

Disadvantages: - Limited to 8-pin MSOP package, may not be suitable for all applications requiring different package types - Quiescent current of 120µA may not be ideal for ultra-low power applications

Working Principles

The MIC2169ABMM operates as a linear voltage regulator. It uses a pass transistor to regulate the output voltage based on the feedback received from the FB pin. The enable (EN) pin controls the operation of the IC, allowing the user to turn it on or off as needed.

When the input voltage (VIN) is applied, the MIC2169ABMM regulates it to provide a stable output voltage (VOUT). The feedback pin (FB) compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain the desired output voltage.

Detailed Application Field Plans

The MIC2169ABMM is commonly used in various applications, including but not limited to: - Power supplies for microcontrollers and other digital circuits - Battery-powered devices - Automotive electronics - Industrial control systems - Portable consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MIC2169ABMM include: - LM317: Adjustable voltage regulator with a wide input voltage range and high output current capability. - LT1084: Low dropout voltage regulator with adjustable output voltage and thermal shutdown protection. - TPS7A4700: High-performance linear voltage regulator with low dropout voltage and adjustable output voltage.

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

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