AS7809ATF-E1

Product Overview

Category

AS7809ATF-E1 belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• High precision voltage regulation
• Low dropout voltage
• Thermal shutdown protection
• Short circuit current limiting

Package

AS7809ATF-E1 is available in a TO-220 package.

Essence

The essence of AS7809ATF-E1 lies in its ability to provide stable and regulated voltage output.

Packaging/Quantity

It is typically packaged in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

• Input Voltage Range: 10V - 35V
• Output Voltage: 9V
• Output Current: 1A
• Dropout Voltage: 1.2V (max)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

AS7809ATF-E1 has three pins:

1. Vin (Pin 1): Input voltage pin
2. GND (Pin 2): Ground pin
3. Vout (Pin 3): Output voltage pin

Functional Features

• Voltage regulation: AS7809ATF-E1 ensures a stable output voltage of 9V regardless of input voltage fluctuations.
• Low dropout voltage: It operates efficiently even when the input voltage is close to the desired output voltage.
• Thermal shutdown protection: The device automatically shuts down if the temperature exceeds a certain threshold, preventing damage due to overheating.
• Short circuit current limiting: It limits the current flow in case of a short circuit, protecting the device and the connected circuitry.

Advantages and Disadvantages

Advantages

• High precision voltage regulation ensures accurate and reliable performance.
• Low dropout voltage allows for efficient operation even with low input voltages.
• Thermal shutdown protection prevents damage from excessive heat.
• Short circuit current limiting protects the device and connected components.

Disadvantages

• Limited output current of 1A may not be suitable for high-power applications.
• Operating temperature range of -40°C to +125°C may restrict usage in extreme environments.

Working Principles

AS7809ATF-E1 operates based on the principle of feedback control. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage of 9V.

Detailed Application Field Plans

AS7809ATF-E1 finds applications 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 AS7809ATF-E1 are: - LM7809: A widely used 9V voltage regulator with similar specifications. - LT1084: A high-current, adjustable voltage regulator capable of providing stable output voltage.

These alternative models offer similar functionality and can be used as replacements depending on specific requirements.

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