AL5809-40P1-7

Product Overview

Category: Integrated Circuit (IC)

Use: The AL5809-40P1-7 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 AL5809-40P1-7 is available in a compact surface-mount package, making it suitable for space-constrained designs.

Essence: This IC provides stable and regulated output voltage, ensuring reliable operation of electronic devices.

Packaging/Quantity: The AL5809-40P1-7 is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Input Voltage Range: 2.5V to 6V
• Output Voltage Range: 0.8V to 5.5V
• Maximum Output Current: 400mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The AL5809-40P1-7 has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. VOUT: Output voltage pin

Functional Features

• High Efficiency: The AL5809-40P1-7 utilizes advanced circuitry to achieve high efficiency, minimizing power loss.
• Adjustable Output Voltage: The output voltage can be easily adjusted using external resistors, providing flexibility for different applications.
• Overcurrent and Thermal Protection: The IC incorporates built-in protection mechanisms to safeguard against overcurrent and excessive temperature, enhancing system reliability.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Wide input voltage range allows compatibility with various power sources - Adjustable output voltage provides versatility for different applications - Integrated protection features enhance system reliability

Disadvantages: - Limited maximum output current may not be suitable for high-power applications - Dropout voltage may affect performance in low-input voltage scenarios

Working Principles

The AL5809-40P1-7 operates as a linear voltage regulator. It regulates the output voltage by comparing the feedback voltage (FB) with a reference voltage. The enable pin (EN) controls the device's operation, allowing it to be turned on or off as needed. When enabled, the IC adjusts the pass transistor to maintain a stable output voltage despite variations in input voltage and load conditions.

Detailed Application Field Plans

The AL5809-40P1-7 is widely used in various electronic devices and systems that require regulated power supply. Some common application fields include:

1. Portable Electronics: Smartphones, tablets, portable media players, and other battery-powered devices benefit from the AL5809-40P1-7's efficient power management capabilities.
2. IoT Devices: Internet of Things (IoT) devices often operate on low power and require stable voltage regulation, making the AL5809-40P1-7 an ideal choice.
3. Industrial Control Systems: The IC can be employed in industrial control systems to ensure reliable and stable power supply for sensors, actuators, and other components.
4. Automotive Electronics: With its wide input voltage range and protection features, the AL5809-40P1-7 finds applications in automotive electronics, such as infotainment systems and lighting controls.

Detailed and Complete Alternative Models

1. LM1117: A popular voltage regulator IC with similar characteristics and package options.
2. MCP1700: Another voltage regulator IC known for its low quiescent current and small form factor.
3. TPS7A47: A high-performance linear regulator offering adjustable output voltage and excellent line/load regulation.

These alternative models provide similar functionality to the AL5809-40P1-7 and can be considered based on specific application requirements.

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