AS7812AT-E1

Product Overview

Category

AS7812AT-E1 belongs to the category of voltage regulators.

Use

It is primarily used for regulating and stabilizing voltage in electronic circuits.

Characteristics

• High precision voltage regulation
• Low dropout voltage
• Overcurrent protection
• Thermal shutdown protection

Package

AS7812AT-E1 comes in a TO-220 package.

Essence

The essence of AS7812AT-E1 lies in its ability to provide stable and regulated voltage output.

Packaging/Quantity

It is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Input Voltage Range: 14V - 35V
• Output Voltage: 12V
• Output Current: 1A
• Dropout Voltage: 2V (max)
• Line Regulation: ±0.2%
• Load Regulation: ±0.4%
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

AS7812AT-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: AS7812AT-E1 ensures a constant and stable output voltage of 12V.
• Overcurrent protection: It safeguards the circuit by limiting the current flow in case of excessive load.
• Thermal shutdown protection: The regulator shuts down automatically if the temperature exceeds the safe operating range.

Advantages and Disadvantages

Advantages

• High precision voltage regulation ensures accurate output.
• Low dropout voltage minimizes power dissipation.
• Overcurrent protection prevents damage to the circuit.
• Thermal shutdown protection enhances safety.

Disadvantages

• Limited output current capacity (1A).
• Requires external components for proper operation.

Working Principles

AS7812AT-E1 operates based on the principle of linear voltage regulation. It uses a series pass transistor to regulate the output voltage by adjusting the current flow through it. The regulator compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a constant output voltage.

Detailed Application Field Plans

AS7812AT-E1 finds applications in various electronic devices and systems, including but not limited to: - Power supplies - Audio amplifiers - Industrial control systems - Automotive electronics - Battery charging circuits

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to AS7812AT-E1 are: - LM7812 - L78M12 - UA7812 - MC7812

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

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