S-1142D37H-E6T2U

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Linear voltage regulators are electronic dc power supplies with an output voltage which is constant even if the input voltage or the load current varies to a certain extent. The S-1142D37H-E6T2U is a high performance linear voltage regulator widely adopted in various electronic circuits as a voltage regulator component.

The S-1142D37H-E6T2U is a positive voltage regulator which can provide regulated power supply with high power output. It is the latest device which is the best alternative to thenetwork of discrete and hybrid devices. Equipped with an internal temperature compensation circuit and superior EMI performance, the S-1142D37H-E6T2U is tailored for applications include voltage regulation, inrush current limit, temperature sensing, short circuit protection, over voltage/current protection and other protection applications.

The S-1142D37H-E6T2U operates from an input voltage range of 4.5V to 60V, and is capable of delivering an output voltage from 0.6V to 37V with a load current up to 1.5A. It has an external voltage adjustment range of 0.2V to 37V, and the output voltage accuracy is guaranteed to remain within ±2% at 25°C. Its operating temperature range is -40 °C to 125 °C.

The S-1142D37H-E6T2U is designed with an on-chip current limit circuit for short circuit protection, which protect itself from over current of the external circuit. It also provides temperature sensing, soft start, and over-temperature warning functions. This device provides a fast response to the transient load conditions and can maintain the specified accuracy with load changes.The S-1142D37H-E6T2U has a quiescent or stand-by circuit current of 6 uA, making it an ideal choice for current sensitive circuitry applications.

The main application field of the S-1142D37H-E6T2U includes power conversion products, touch panels, optical modules, infrastructure, automotive and industrial systems. It is typically used in applications such as battery cell charging and discharging power management, voltage regulator module(VRM) and insertion of a buck/boost/flyback converter. The device enables extremely efficient power supply systems due to its low voltage operation. This ensures that the device has an optimised power supply solution for space-constrained mobile and portable applications.

The S-1142D37H-E6T2U utilizes the voltage and current reference, error amplifier and PWM (pulse width modulation) to control the output voltage. The device maintains the output voltage at a specified level by monitoring the output voltage and compares the actual output voltage with the reference voltage. The detected error value is amplified by the error amplifier, which then provides a control signal to the PWM circuit. The error amplifier and PWM will interact to adjust the current through the pass transistor and ensure the output voltage remains at its set voltage.

The S-1142D37H-E6T2U is a versatile linear voltage regulator bringing numerous advantages to the operational and technical aspects of power delivery systems. It ensures smooth current flow and voltage regulation with an extremely low dropout voltage, which makes the S-1142D37H-E6T2U the ideal choice for modern regulated power delivery systems.

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