S-1335E31-A4T2U3

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S-1335E31-A4T2U3 voltage regulator is a linear regulator with an output voltage range from 0.8 to 5.5V, among other features. It is used in many different applications which involve controlling the output voltage varying from one component to another. This article intends to explain the application field of S-1335E31-A4T2U3 and its working principle.

APPLICATION FIELD

The S-1335E31-A4T2U3 voltage regulator is used in applications where a constant, stable, and low noise output voltage needs to be maintained. Such regulating applications includes but is not limited to Battery-powered equipment, Telecom/Datacom equipment, Automotive systems, and industrial equipment. Predominantly, this linear regulator is used in a step-down configuration to reduce the incoming voltage, to a lower and stable voltage.

The S-1335E31-A4T2U3 can provide up to 250mA of output current, while maintaining a low dropout voltage of 0.8V. It is precisely designed to achieve a small footprint and save power consumption, making it very suitable for applications which require a very low power consumption.

In addition, it also features current and thermal overload protection, so as to protect both the regulator, and the circuit itself, from any kind of overcurrent events that may occur.

This linear regulator is also designed with a temperature range from -40 to 105°C, making it capable to withstand the most extreme temperatures in industrial and commercial applications.

WORKING PRINCIPLE

Voltage regulators are electronic circuits that maintain a constant voltage output while the input voltage and load current levels vary, as governed by the underlying IC/circuit design. Linear regulators, such as S-1335E31-A4T2U3, use a series pass-transistor which provides a precise and static voltage regulation. The voltage regulation is accomplished by sensing the output voltage, then adjusting the current through the pass-transistor to match. The size and type of pass-transistor and its biasing circuitry, is what determines the output voltage of the voltage regulator.

When the load current increases, the pass-transistor conducts more current and allows more power to flow through, thus the output voltage is maintained at the precise value. Conversely, when the load current is decreased, the pass-transistor conducts less current and less power flows, therefore the output voltage is still maintained at the precise value. This is how the S-1335E31-A4T2U3, as well as other linear regulators, maintains theoutput voltage despite the changes in input voltage and load current levels.

In short, the S-1335E31-A4T2U3 linear voltage regulator is a reliable and stable voltage regulator, with many features for industrial and commercial applications. With its small form factor and low power consumption, it is capable of reducing incoming voltages and maintain a steady, low noise output voltage. Its current and thermal overload protection makes it suitable for high power applications. The S-1335E31-A4T2U3 works by controlling the current through a pass-transistor to match the output voltage, which is set by the design of the circuit.

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