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AL5809-50QP1-7

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:

```


| | | 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

10個與AL5809-50QP1-7在技術方案中應用相關的常見問題與解答

Sure! Here are 10 common questions and answers related to the application of AL5809-50QP1-7 in technical solutions:

Q1: What is AL5809-50QP1-7? A1: AL5809-50QP1-7 is a specific model of an integrated circuit (IC) used for driving LED lighting applications.

Q2: What is the input voltage range for AL5809-50QP1-7? A2: The input voltage range for AL5809-50QP1-7 is typically between 4.5V and 60V.

Q3: What is the maximum output current of AL5809-50QP1-7? A3: The maximum output current of AL5809-50QP1-7 is 500mA.

Q4: Can AL5809-50QP1-7 be used for dimming LED lights? A4: Yes, AL5809-50QP1-7 supports PWM (Pulse Width Modulation) dimming control for LED lights.

Q5: Does AL5809-50QP1-7 have built-in over-temperature protection? A5: Yes, AL5809-50QP1-7 has built-in over-temperature protection to prevent overheating.

Q6: What is the typical efficiency of AL5809-50QP1-7? A6: The typical efficiency of AL5809-50QP1-7 is around 90%.

Q7: Can AL5809-50QP1-7 be used in automotive lighting applications? A7: Yes, AL5809-50QP1-7 is suitable for automotive lighting applications due to its wide input voltage range and robust design.

Q8: Is there any external compensation required for AL5809-50QP1-7? A8: No, AL5809-50QP1-7 is internally compensated and does not require any external compensation components.

Q9: What is the operating temperature range for AL5809-50QP1-7? A9: The operating temperature range for AL5809-50QP1-7 is typically between -40°C and 125°C.

Q10: Can AL5809-50QP1-7 be used in both buck and boost LED driver applications? A10: No, AL5809-50QP1-7 is specifically designed for buck (step-down) LED driver applications.

Please note that these answers are general and may vary depending on the specific application and design considerations.