AL5809-50QP1-7

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: QFN-16

Essence: The AL5809-50QP1-7 is a voltage regulator IC that provides a stable output voltage with low dropout. It is designed to be used in various electronic devices where a regulated power supply is required.

Packaging/Quantity: The AL5809-50QP1-7 is available in a QFN-16 package, which stands for Quad Flat No-leads package. It does not have leads like traditional packages and offers a compact size. The quantity per package may vary depending on the manufacturer.

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 0.8V to VIN - 0.3V
• Output Current: Up to 500mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 60µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The AL5809-50QP1-7 has a total of 16 pins arranged as follows:

```

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| | | 1 16| | | | 2 15| | | | 3 14| | | | 4 13| | | | 5 12| | | | 6 11| | | | 7 10| | | | 8 9| |_______________| ```

Functional Features

• Low Dropout Voltage: The AL5809-50QP1-7 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 500mA, this voltage regulator can power a wide range of electronic components and circuits.
• Adjustable Output Voltage: The output voltage can be adjusted within a specified range, providing flexibility in various applications.
• Thermal Shutdown Protection: The IC includes thermal shutdown protection, which prevents damage due to excessive heat by shutting down the regulator temporarily.
• Short-Circuit Current Limit: The AL5809-50QP1-7 has built-in short-circuit current limiting, protecting the circuit from excessive current during a short-circuit condition.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation - High output current capability for powering various components - Adjustable output voltage provides flexibility - Thermal shutdown protection prevents overheating - Short-circuit current limit protects the circuit

Disadvantages: - Limited to a specific input voltage range (2.5V to 6.5V) - May require additional external components for certain applications

Working Principles

The AL5809-50QP1-7 operates as a linear voltage regulator. It uses a pass transistor to regulate the output voltage based on the difference between the reference voltage and the feedback voltage. The pass transistor adjusts its resistance to maintain a constant output voltage despite variations in the input voltage or load conditions.

Detailed Application Field Plans

The AL5809-50QP1-7 can be used in various applications that require a stable and regulated power supply. Some potential application fields include:

1. Mobile Devices: The voltage regulator can be used to power the core components of smartphones, tablets, and other portable electronic devices.
2. IoT Devices: It is suitable for powering sensors, microcontrollers, and communication modules in Internet of Things (IoT) devices.
3. Automotive Electronics: The IC can be utilized in automotive applications such as infotainment systems, lighting controls, and engine management systems.
4. Industrial Control Systems: It can provide regulated power for various industrial control systems, including PLCs (Programmable Logic Controllers) and motor drives.

Detailed and Complete Alternative Models

1. AL5809-33QP1-7: Similar to AL5809-50QP1-7 but with an output voltage range of 0.8V to VIN - 0.3V.
2. AL5809-25QP1-7: Similar to AL5809-50QP1-7 but with an output voltage range of 0.8V to VIN - 0.3V and a lower dropout voltage.
3. AL5810-50QP1-7: A related voltage regulator IC with similar features but