onsemi

NCP7812TG

NCP7812TG Description

The NCP7812TG is a linear voltage regulator IC manufactured by onsemi, designed to provide a fixed output voltage of 12V with a maximum current output of 1A. This device is part of the Linear & Switching Voltage Regulators category and is packaged in a through-hole Tube package. Despite being marked as obsolete, it remains a popular choice for certain applications due to its unique features and performance benefits.

NCP7812TG Features

• Fixed Output Voltage: The NCP7812TG provides a stable 12V output, making it ideal for applications requiring a consistent voltage supply.
• 1A Output Current: Capable of delivering up to 1A, this regulator is suitable for applications with moderate power requirements.
• Positive Output Configuration: The positive output configuration allows for direct integration into systems without the need for additional components.
• Over Temperature and Short Circuit Protection: These built-in protection features enhance the reliability and longevity of the device.
• Low Quiescent Current: With a quiescent current of only 8mA, the NCP7812TG is energy-efficient, reducing power consumption in standby modes.
• High PSRR: A 71dB power supply rejection ratio at 120Hz ensures minimal noise coupling from the input to the output, maintaining signal integrity.
• RoHS Compliant: Adheres to environmental standards, making it suitable for use in eco-friendly products.
• Moisture Sensitivity Level 1: Allows for unlimited storage time, facilitating easier handling and storage.

NCP7812TG Applications

The NCP7812TG is ideal for applications where a stable 12V supply is required, such as:

• Power Supplies: In low to medium power electronic devices where a reliable and consistent voltage is crucial.
• Industrial Controls: For systems that require stable power to ensure precise operation.
• Telecommunications: In devices that need a stable power source for reliable communication.
• Automotive Electronics: For applications within vehicles that require a regulated 12V power supply.

Conclusion of NCP7812TG

While the NCP7812TG is classified as obsolete, its fixed 12V output, 1A current capability, and robust protection features make it a reliable choice for applications requiring a stable and consistent power supply. Its low quiescent current and high PSRR are additional advantages that contribute to its performance benefits. Despite its age, the NCP7812TG remains a viable option for systems where these specific characteristics are essential.