AP2138R-2.5TRG1

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AP2138R-2.5TRG1 Application Field and Working Principle

The AP2138R-2.5TRG1 is a low quiescent current linear voltage regulator manufactured by Anpec Electronics Corporation. It is designed to provide reliable power supply in a wide range of applications in commercial, automotive, and industrial systems. It is a two-terminal device with a fixed output voltage, typically 2.5V.

Application Field

The AP2138R-2.5TRG1 is suitable for use in battery-powered devices such as portable electronics, as well as in commercial, automotive, and industrial applications. It can also be used in medical systems, communications equipment, and other applications with limited space availability. It offers a wide operating temperature range of -40°C to 125°C, making it suitable for most applications requiring extended temperature range.

Features

The AP2138R-2.5TRG1 has excellent input/output characteristics and offers a wide line regulation of 0.5%. It is also designed with a thermal shutdown feature to prevent damage to the device in case of excessive temperature. In addition, it also comes with an over-current protection feature for additional safety.

Package Options

The AP2138R-2.5TRG1 is available in SOT23-5 and SOT193 packages. These packages are suitable for use in applications with limited space.

Working Principle

The AP2138R-2.5TRG1 is a two-terminal voltage regulator, which means that it has two terminals at the output—the ground and the regulated output terminal. When the input voltage is higher than the regulated voltage, the voltage regulator will adjust the output current so that the output voltage remains fixed at the regulated voltage level. This process is called regulation.

When the AP2138R-2.5TRG1 is regulating, it passes the input current through its internal reference circuit, which is designed to generate an accurate voltage. The output current then gets adjusted so that the voltage across the output pins always remains at the predetermined regulated level. This process ensures that the output voltage stays constant, even when the input voltage varies.

Conclusion

The AP2138R-2.5TRG1 is a low quiescent current linear voltage regulator, which offers a wide line regulation of 0.5%. It is available in SOT23-5 and SOT193 packages and offers an extended temperature range of -40°C to 125°C. In addition, it also offers over-current protection and thermal shutdown feature for additional safety.

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