AL5809-150QP1-7

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low dropout voltage - Adjustable output voltage - Overcurrent protection - Thermal shutdown protection

Package: QFN-7 (Quad Flat No-Lead)

Essence: The AL5809-150QP1-7 is a voltage regulator IC that provides a stable output voltage with high efficiency and low dropout voltage. It is commonly used in various electronic devices to regulate and control the voltage supplied to different components.

Packaging/Quantity: The AL5809-150QP1-7 is typically packaged in reels containing 2500 units per reel.

Specifications

• Input Voltage Range: 2.5V - 6.5V
• Output Voltage Range: 1.2V - 5.5V
• Maximum Output Current: 150mA
• Dropout Voltage: 200mV @ 100mA
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The AL5809-150QP1-7 has the following pin configuration:

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| | --| VIN VOUT |-- Output Voltage --| GND EN |-- Enable Pin --| FB NC |-- Feedback Pin |___________| ```

Functional Features

1. High Efficiency: The AL5809-150QP1-7 offers high efficiency, minimizing power loss during voltage regulation.
2. Low Dropout Voltage: With a low dropout voltage of 200mV at 100mA, it can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
3. Adjustable Output Voltage: The output voltage can be adjusted within a wide range of 1.2V to 5.5V, providing flexibility for different applications.
4. Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the connected components from excessive current flow.
5. Thermal Shutdown Protection: It includes thermal shutdown protection, preventing damage due to excessive heat.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Adjustable output voltage allows for versatile application scenarios. - Overcurrent and thermal shutdown protection enhance reliability and safety.

Disadvantages: - Limited maximum output current of 150mA may not be suitable for high-power applications. - Requires external components for proper operation.

Working Principles

The AL5809-150QP1-7 operates as a linear voltage regulator. It regulates the output voltage by comparing the feedback voltage (FB) with a reference voltage. When the output voltage deviates from the desired value, the internal circuitry adjusts the pass transistor to maintain a stable output voltage. The enable pin (EN) can be used to control the regulator's on/off state.

Detailed Application Field Plans

The AL5809-150QP1-7 finds applications in various electronic devices that require regulated voltage supply. Some common application fields include:

1. Portable Electronics: Mobile phones, tablets, and portable media players often utilize voltage regulators like AL5809-150QP1-7 to ensure stable power supply to their internal components.
2. Wireless Communication Devices: Bluetooth headsets, wireless routers, and IoT devices benefit from the voltage regulation capabilities of this IC.
3. Battery-Powered Systems: Devices powered by batteries, such as handheld gaming consoles and remote controls, rely on voltage regulators to maintain consistent performance throughout the battery life.

Detailed and Complete Alternative Models

1. LM317: A popular adjustable voltage regulator with a wide input voltage range and high output current capability.
2. LT1763: A low dropout voltage regulator suitable for applications requiring precise voltage regulation.
3. LM1117: A fixed-output voltage regulator available in various voltage options, offering simplicity and reliability.

These alternative models provide similar functionality to the AL5809-150QP1-7 and can be considered based on specific application requirements.

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