AS7809ADTR-G1

Product Overview

Category

AS7809ADTR-G1 belongs to the category of voltage regulators.

Use

It is commonly used to regulate and stabilize voltage in electronic circuits.

Characteristics

• Provides a fixed output voltage of 9V.
• Operates within a specified input voltage range.
• Offers high efficiency and low dropout voltage.
• Can handle moderate current loads.
• Designed for use in various electronic devices.

Package

AS7809ADTR-G1 is available in a small surface mount package.

Essence

The essence of AS7809ADTR-G1 lies in its ability to maintain a stable output voltage despite fluctuations in the input voltage.

Packaging/Quantity

AS7809ADTR-G1 is typically packaged in reels or tubes, with a quantity of around 2500 units per reel/tube.

Specifications

• Input Voltage Range: 10V - 35V
• Output Voltage: 9V
• Output Current: Up to 1A
• Dropout Voltage: 1.2V (max)
• Line Regulation: ±0.2%
• Load Regulation: ±0.4%
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

AS7809ADTR-G1 has three pins:

1. Vin (Input Voltage): Connects to the power supply input.
2. Vout (Output Voltage): Provides the regulated output voltage.
3. GND (Ground): Serves as the reference point for the circuit.

Functional Features

• Overcurrent protection: Safeguards the device from excessive current flow.
• Thermal shutdown: Prevents overheating by shutting down the regulator when the temperature exceeds a certain threshold.
• Short-circuit protection: Automatically shuts off the output in case of a short circuit.

Advantages and Disadvantages

Advantages

• Stable and regulated output voltage.
• High efficiency.
• Low dropout voltage.
• Compact size.
• Suitable for a wide range of applications.

Disadvantages

• Limited output current capacity.
• Requires external components for proper operation.
• Not suitable for high-power applications.

Working Principles

AS7809ADTR-G1 operates based on the principle of linear voltage regulation. It uses a series pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals.

Detailed Application Field Plans

AS7809ADTR-G1 finds application in various electronic devices, including but not limited to: - Power supplies - Battery chargers - Audio amplifiers - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to AS7809ADTR-G1 are: - LM7809: A popular voltage regulator with similar specifications. - LT1084: A higher current variant with adjustable output voltage. - MC7809: Another widely used fixed voltage regulator.

These alternative models offer similar functionality and can be chosen based on specific requirements and availability.

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