MIC5191YMM

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High precision, low dropout voltage, adjustable output, small package size
• Package: 8-pin MSOP (Mini Small Outline Package)
• Essence: The MIC5191YMM is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 13.5V
• Output Current: Up to 150mA
• Dropout Voltage: 200mV at 100mA load
• Line Regulation: ±0.05% typical
• Load Regulation: ±0.1% typical
• Quiescent Current: 75µA typical
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MIC5191YMM has the following pin configuration:

```

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| | --| VOUT GND|-- Pin 1: Ground --| VIN EN |-- Pin 2: Enable --| NC FB |-- Pin 3: Feedback --| NC NC |-- Pin 4: Not Connected --| NC NC |-- Pin 5: Not Connected --| NC NC |-- Pin 6: Not Connected --| NC NC |-- Pin 7: Not Connected --| NC NC |-- Pin 8: Not Connected |___________| ```

Functional Features

• High Precision: The MIC5191YMM offers high output voltage accuracy, ensuring stable and reliable performance.
• Low Dropout Voltage: With a low dropout voltage of 200mV at 100mA load, the IC can maintain a regulated output even when the input voltage is close to the desired output voltage.
• Adjustable Output: The output voltage can be adjusted within the range of 1.25V to 13.5V, providing flexibility for various applications.
• Small Package Size: The 8-pin MSOP package allows for space-saving integration in compact electronic devices.

Advantages and Disadvantages

Advantages: - High precision output voltage - Low dropout voltage - Adjustable output - Small package size

Disadvantages: - Limited output current capacity (up to 150mA)

Working Principles

The MIC5191YMM operates as a linear voltage regulator. It uses a reference voltage and feedback mechanism to maintain a stable output voltage regardless of changes in the input voltage or load conditions. The internal circuitry adjusts the pass transistor to regulate the output voltage based on the feedback received.

Application Field Plans

The MIC5191YMM is suitable for a wide range of applications that require a stable and regulated voltage supply. Some potential application fields include:

1. Portable Electronic Devices: Provides a regulated power source for smartphones, tablets, and portable media players.
2. Industrial Control Systems: Ensures stable voltage supply for control systems used in manufacturing processes.
3. Automotive Electronics: Regulates voltage for various automotive components such as infotainment systems and sensors.
4. Medical Devices: Provides a reliable power source for medical equipment like patient monitors and diagnostic devices.

Alternative Models

• MIC5205: Similar voltage regulator IC with higher output current capacity (up to 500mA).
• LT1763: Low dropout voltage regulator with adjustable output and higher output current capability.
• LM1117: Fixed output voltage regulator with various voltage options and higher output current capacity.

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

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