AL5809-30QP1-7

Product Overview

Category: Integrated Circuit (IC)

Use: The AL5809-30QP1-7 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 AL5809-30QP1-7 is available in a compact and industry-standard QFN package, which ensures easy integration into various electronic devices.

Essence: This IC is designed to provide stable and regulated output voltage for powering different components within an electronic system.

Packaging/Quantity: The AL5809-30QP1-7 is typically sold in reels containing 2500 units per reel.

Specifications

• Input Voltage Range: 2.5V - 6.5V
• Output Voltage Range: 0.8V - 5.5V
• Dropout Voltage: 200mV at 300mA
• Output Current: Up to 500mA
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The AL5809-30QP1-7 features a total of six pins:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin (active high)
4. FB: Feedback pin for setting the output voltage
5. VOUT: Output voltage pin
6. NC: No connection pin

Functional Features

• Low Dropout Voltage: The AL5809-30QP1-7 exhibits a low dropout voltage, ensuring efficient power conversion even when the input voltage is close to the desired output voltage.
• High Output Current Capability: With a maximum output current of 500mA, this IC can power a wide range of electronic components.
• Wide Input Voltage Range: The IC can operate within a broad input voltage range, making it suitable for various applications.
• Thermal Shutdown Protection: The AL5809-30QP1-7 incorporates thermal shutdown protection, preventing damage due to excessive heat.
• Short-Circuit Current Limit: It features a short-circuit current limit, safeguarding the IC and connected components from potential damage during a short circuit event.
• Adjustable Output Voltage: The output voltage can be easily adjusted using an external resistor divider network.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient power conversion. - High output current capability allows for powering a wide range of components. - Wide input voltage range provides flexibility in different applications. - Thermal shutdown protection prevents overheating and damage. - Short-circuit current limit protects the IC and connected components. - Adjustable output voltage enables customization according to specific requirements.

Disadvantages: - Limited output current compared to some other voltage regulator ICs. - Requires additional external components for proper operation.

Working Principles

The AL5809-30QP1-7 is a linear voltage regulator that utilizes a pass transistor to regulate the output voltage. It operates by comparing the feedback voltage (FB pin) with a reference voltage to adjust the pass transistor's resistance. This adjustment maintains a stable output voltage regardless of variations in the input voltage or load conditions.

Detailed Application Field Plans

The AL5809-30QP1-7 finds applications in various fields, including but not limited to: - Portable electronic devices - Battery-powered systems - Industrial automation - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the AL5809-30QP1-7 include: - LM1117-3.3: A popular voltage regulator IC with a fixed output voltage of 3.3V. - LT1763: A low dropout linear regulator with adjustable output voltage and high output current capability. - TPS7A4700: An ultra-low noise, high PSRR (Power Supply Rejection Ratio) voltage regulator suitable for sensitive applications.

These alternative models can be considered based on specific requirements and design constraints.

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