RT9166A-25GGL

Product Overview

Category: Voltage Regulator
Use: Power management
Characteristics: High efficiency, low dropout voltage, compact size
Package: SOT-223
Essence: Linear regulator
Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 2.5V
• Dropout Voltage: 300mV at 100mA
• Output Current: 100mA
• Line Regulation: ±0.2%
• Load Regulation: ±0.4%
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The RT9166A-25GGL has three pins:

1. VIN (Pin 1): Input voltage pin
2. GND (Pin 2): Ground pin
3. VOUT (Pin 3): Output voltage pin

Functional Features

• Low dropout voltage: The RT9166A-25GGL exhibits a low dropout voltage of only 300mV at 100mA output current, ensuring efficient power delivery.
• High efficiency: With its linear regulator design, the device achieves high efficiency in power conversion.
• Compact size: The SOT-223 package allows for a small footprint, making it suitable for space-constrained applications.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient power delivery. - High efficiency in power conversion. - Compact size allows for easy integration into various applications.

Disadvantages: - Limited output current of 100mA may not be sufficient for high-power applications. - Linear regulator design may result in higher heat dissipation compared to switching regulators.

Working Principles

The RT9166A-25GGL is a linear voltage regulator that regulates the input voltage to a fixed 2.5V output voltage. It operates by using a pass transistor to control the output voltage based on the difference between the input and desired output voltages. The device maintains a stable output voltage by adjusting the pass transistor's resistance to compensate for changes in load and input voltage.

Detailed Application Field Plans

The RT9166A-25GGL finds applications in various fields, including but not limited to:

1. Battery-powered devices: The low dropout voltage and high efficiency make it suitable for portable electronics such as smartphones, tablets, and wearable devices.
2. Industrial equipment: The compact size and stable output voltage make it ideal for powering sensors, actuators, and control systems in industrial automation.
3. Automotive electronics: The device can be used in automotive applications where a stable voltage supply is required for microcontrollers, sensors, and other electronic components.

Detailed and Complete Alternative Models

1. RT9166A-33GGL: Similar to RT9166A-25GGL, but with a fixed output voltage of 3.3V.
2. RT9166A-50GGL: Similar to RT9166A-25GGL, but with a fixed output voltage of 5.0V.
3. RT9166B-25GGL: A variant with improved load regulation characteristics compared to RT9166A-25GGL.

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