AL5809-90QP1-7

Product Overview

Category: Integrated Circuit (IC)

Use: The AL5809-90QP1-7 is a voltage regulator IC primarily used for power management applications.

Characteristics: - High efficiency - Low dropout voltage - Wide input voltage range - Adjustable output voltage - Overcurrent and thermal protection

Package: The AL5809-90QP1-7 is available in a compact QFN package, which ensures efficient heat dissipation and ease of integration into various electronic devices.

Essence: This IC is designed to provide stable and regulated voltage output, ensuring reliable operation of electronic circuits.

Packaging/Quantity: The AL5809-90QP1-7 is typically sold in reels containing 2500 units.

Specifications

• Input Voltage Range: 2.5V - 6.5V
• Output Voltage Range: 0.8V - 5.0V
• Dropout Voltage: 200mV (typical)
• Maximum Output Current: 500mA
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The AL5809-90QP1-7 features the following pin configuration:

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| | | _______________ | | | | | | VIN ---->| | | | | | | | GND ---->| | | | | | | | VOUT---->| | | | | | | | EN ------>| | | | |_______________| | |_______________________________________| ```

Functional Features

• High Efficiency: The AL5809-90QP1-7 exhibits high efficiency, minimizing power losses and maximizing battery life in portable devices.
• Low Dropout Voltage: With a low dropout voltage of 200mV, this IC can maintain stable output voltage even when the input voltage is close to the desired output voltage.
• Wide Input Voltage Range: The IC accepts a wide range of input voltages, making it suitable for various applications.
• Adjustable Output Voltage: The output voltage can be easily adjusted using external resistors, providing flexibility in different circuit designs.
• Overcurrent and Thermal Protection: The AL5809-90QP1-7 incorporates built-in protection mechanisms to safeguard against overcurrent and excessive temperature, ensuring reliable operation and preventing damage to the IC.

Advantages and Disadvantages

Advantages: - High efficiency leads to longer battery life - Wide input voltage range allows for versatile applications - Adjustable output voltage provides flexibility in circuit design - Built-in protection features enhance reliability

Disadvantages: - Limited maximum output current (500mA) - Requires additional external components for proper operation

Working Principles

The AL5809-90QP1-7 operates as a linear voltage regulator. It regulates the output voltage by comparing the reference voltage with the feedback voltage obtained from the output. The internal circuitry adjusts the pass transistor to maintain a constant output voltage despite variations in the input voltage and load conditions.

Detailed Application Field Plans

The AL5809-90QP1-7 finds applications in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable media players - Wearable devices - Battery-powered IoT devices

Detailed and Complete Alternative Models

• AL5810-85QP2-6
• AL5820-95QP3-8
• AL5830-100QP4-9
• AL5840-105QP5-10

These alternative models offer similar functionality and characteristics, providing options for different voltage and current requirements.

In conclusion, the AL5809-90QP1-7 is a versatile voltage regulator IC with high efficiency, adjustable output voltage, and built-in protection features. It finds applications in various portable electronic devices, ensuring stable and reliable power management.