AL5809-30S1-7

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 limiting - Reverse battery protection

Package: SOT-23-5

Essence: The AL5809-30S1-7 is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic applications.

Packaging/Quantity: The AL5809-30S1-7 is typically packaged in reels containing 3000 units per reel.

Specifications

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

Pin Configuration

The AL5809-30S1-7 features a standard SOT-23-5 package with the following pin configuration:

```

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| | --| V+ |-- --| |-- --| GND|-- --| |-- --| Vout|-- |____| ```

Functional Features

1. Low Dropout Voltage: The AL5809-30S1-7 exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
2. High Output Current Capability: With a maximum output current of 150mA, this voltage regulator can power a wide range of electronic components.
3. Adjustable Output Voltage: The output voltage can be adjusted within the range of 1.2V to 5.5V, providing flexibility for different application requirements.
4. Thermal Shutdown Protection: The IC incorporates thermal shutdown protection, which prevents damage due to excessive temperature.
5. Short-Circuit Current Limiting: In case of a short circuit, the AL5809-30S1-7 limits the output current to protect the circuit and connected components.
6. Reverse Battery Protection: The voltage regulator is designed to withstand reverse battery connection without causing any damage.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation - Adjustable output voltage provides flexibility - Thermal shutdown protection prevents damage from overheating - Short-circuit current limiting protects the circuit and components - Reverse battery protection enhances reliability

Disadvantages: - Limited maximum output current (150mA) - Restricted input voltage range (2.5V to 6.5V)

Working Principles

The AL5809-30S1-7 operates as a linear voltage regulator. It uses a pass transistor to regulate the output voltage based on the difference between the input and desired output voltage. The internal circuitry monitors the output voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The AL5809-30S1-7 can be used in various applications that require a regulated voltage supply. Some potential application fields include: - Battery-powered devices - Portable electronics - IoT devices - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and package.
2. MCP1700-3302E/TO: Another alternative offering low dropout voltage and adjustable output voltage.
3. TS2937CP-3.3: An alternative with higher output current capability and a wider input voltage range.

These alternative models provide similar functionality and can be considered based on specific application requirements.

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