AL5809-25QP1-7

Product Overview

Category: Integrated Circuit (IC)

Use: The AL5809-25QP1-7 is a voltage regulator IC primarily used for power management applications.

Characteristics: - Low dropout voltage - High output current capability - Wide input voltage range - Thermal shutdown protection - Short-circuit current limit - Adjustable output voltage

Package: The AL5809-25QP1-7 is available in a compact and industry-standard QFN package, which ensures easy integration into various electronic devices.

Essence: This IC serves as a reliable and efficient solution for regulating voltage in electronic circuits, ensuring stable power supply to connected components.

Packaging/Quantity: The AL5809-25QP1-7 is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Input Voltage Range: 2.5V - 6.5V
• Output Voltage Range: 0.8V - 5.5V
• Dropout Voltage: 200mV (typical)
• Output Current: Up to 500mA
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The AL5809-25QP1-7 features the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. EN (Enable)
4. FB (Feedback)
5. VOUT (Output Voltage)

Functional Features

• Low Dropout Voltage: The AL5809-25QP1-7 exhibits a low dropout voltage, minimizing power dissipation and maximizing efficiency.
• High Output Current Capability: With a maximum output current of 500mA, this IC can handle a wide range of power requirements.
• Wide Input Voltage Range: The IC can operate within a broad input voltage range, making it suitable for various applications.
• Thermal Shutdown Protection: It incorporates thermal shutdown protection to prevent damage due to excessive heat.
• Short-Circuit Current Limit: The AL5809-25QP1-7 has built-in short-circuit current limiting, safeguarding the circuit from potential damage.
• Adjustable Output Voltage: The output voltage can be adjusted within the specified range, providing flexibility in different applications.

Advantages and Disadvantages

Advantages: - Efficient power management - Compact size - Wide input voltage range - Thermal protection - Short-circuit current limit

Disadvantages: - Limited maximum output current compared to some other voltage regulators - Requires external components for certain applications

Working Principles

The AL5809-25QP1-7 operates as a linear voltage regulator. It regulates the output voltage by maintaining a constant voltage drop between the input and output terminals. This is achieved through an internal feedback mechanism that adjusts the pass transistor's resistance to maintain the desired output voltage.

Detailed Application Field Plans

The AL5809-25QP1-7 finds applications in various fields, including but not limited to: - Portable electronic devices - Battery-powered systems - IoT (Internet of Things) devices - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the AL5809-25QP1-7 include: - LM1117-3.3 - LT1763-3.3 - MCP1700-3302E/TO

These alternatives provide comparable voltage regulation capabilities and can be considered based on specific application requirements.

In conclusion, the AL5809-25QP1-7 is a versatile voltage regulator IC with excellent characteristics, making it suitable for a wide range of power management applications. Its compact size, thermal protection, and adjustable output voltage contribute to its popularity in various industries. While it has some limitations in terms of maximum output current and external component requirements, alternative models are available to address specific needs.