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MCP1812AT-033/TT

MCP1812AT-033/TT Description

The MCP1812AT-033/TT is a linear voltage regulator designed and manufactured by Microchip Technology. It is part of the Linear & Switching Voltage Regulators category and is known for its fixed output voltage of 3.3V and a maximum output current of 300mA. This device is surface-mountable and comes in a SOT23-3 package. Despite being classified as obsolete, it remains a popular choice in certain applications due to its performance benefits and unique features.

MCP1812AT-033/TT Features

• Fixed Output Voltage: The MCP1812AT-033/TT provides a stable 3.3V output, making it ideal for applications requiring a fixed voltage supply.
• High Output Current: Capable of delivering up to 300mA, this regulator is suitable for devices with moderate power requirements.
• Low Dropout Voltage: With a maximum dropout voltage of 0.6V at 300mA, it maintains high efficiency even under heavy load conditions.
• Low Quiescent Current: The device consumes only 0.5 µA in quiescent mode, which is beneficial for battery-powered applications.
• PSRR of 50dB: This high power supply rejection ratio at 1kHz ensures minimal noise coupling from the input to the output.
• Over Current Protection: The built-in protection feature safeguards the device from damage due to excessive current draw.
• RoHS Compliance: The MCP1812AT-033/TT is compliant with the RoHS3 directive, making it suitable for environmentally conscious designs.

MCP1812AT-033/TT Applications

The MCP1812AT-033/TT is well-suited for a variety of applications where a stable and efficient voltage supply is critical:

• Portable Electronics: Due to its low quiescent current, it is ideal for battery-powered devices such as smartphones and tablets.
• Embedded Systems: Its fixed output voltage and high PSRR make it a good choice for microcontroller-based systems.
• Industrial Controls: The device's robustness and over current protection make it suitable for use in industrial control systems where reliability is paramount.
• Automotive Electronics: The MCP1812AT-033/TT can be used in automotive applications where a stable voltage supply is necessary for various electronic components.

Conclusion of MCP1812AT-033/TT

While the MCP1812AT-033/TT has been classified as obsolete, it continues to offer significant advantages in terms of performance and reliability for specific applications. Its fixed output voltage, high output current, low dropout voltage, and over current protection make it a robust choice for designers looking for a reliable voltage regulator. Despite its age, the MCP1812AT-033/TT remains a valuable component in the arsenal of electronics engineers, particularly in applications where its unique features can be leveraged to their fullest.