S-13A1A21-A6T1U3

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Linear voltage regulators are used to convert a higher voltage to a lower level that either meets a specific output voltage requirement or prevents an output voltage from exceeding a predetermined level. The S-13A1A21-A6T1U3 is a high precision, low dropout voltage linear regulator that provides a regulated output voltage of 1.8V from an input voltage from 2.65 to 6.5V. The device boasts low quiescent current, low noise, and fast transient response.

The S-13A1A21-A6T1U3 has a wide range of applications that include powering microprocessors, memory,real-time clocks, and other precision analog circuits such as high resolution analog-to-digital converters (ADCs). It is also used to supply low voltage power rails in applications such as networking, communications, automotive, and consumer electronics.

The working principle of the S-13A1A21-A6T1U3 is to contain an internal voltage reference, an error amplifier and a power switch. The error amplifier compares the load output and the voltage reference to provide a control voltage to the power switch. This control voltage is used to adjust the duty cycle of the power switch. In turn, the power switch varies the amount of power going to the load, thus regulating the output voltage.

The S-13A1A21-A6T1U3 has several features that help it meet the demands of many types of applications. The device operates over a wide temperature range of -40°C to +125°C. The start-up time is very short, usually less than 1ms. The device also provides short circuit protection, auto-recovery and thermal shutdown to help protect against accidents and overheating. Additionally, the device has a soft start feature that helps reduce inrush current.

The device also offers excellent electrical performance. The line and load regulation are very low typically less than 0.2%. Its noise performance is better than 1 µVrms and its line/load transient responses are very fast, decreasing to a stable, regulated output voltage level in less than 1.5µS.

In summary, the S-13A1A21-A6T1U3 is a low dropout, high precision linear voltage regulator designed to support a variety of applications. Its low quiescent current, low noise, and fast transient response feature, as well as its overload protection, makes it an ideal solution for powering microprocessors, memories, real-time clocks, and other precision analog circuits. Its excellent electrical performance makes it suitable for powering high resolution analog-to-digital converters, networking, communication, automotive, and consumer electronics. Finally, its wide temperature range and fast start-up time make it a reliable and robust choice.

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