S-13R1H14-A4T2U3

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The S-13R1H14-A4T2U3 is part of the S Series of low dropout (LDO) voltage regulators from AML Finesse. This LDO regulator is designed to provide reliable, high accuracy, and low dropout voltage regulation with very low output noise. The S-13R1H14-A4T2U3 is capable of providing an output current up to 3A and an output voltage range of 0.6V to 33V (1V to 12V typ) with extremely low ground current and very low noise. This device combines an integrated high-performance P-channel MOSFET power transistor, with a protection diode, along with other protection and diagnostic features, in a single integrated circuit (IC).

The S-13R1H14-A4T2U3 is designed for use in automotive and industrial/commercial/telecom applications. The device can be used as a power supply for microprocessors, digital signal processors (DSPs), FPGAs, and other DC-DC converter or power supply components such as resistors, capacitors, inductors, and other inductive devices. The device can also be used to provide power to battery charger circuits and other high-voltage applications. This device is especially well-suited for use in applications where space and weight are at a premium and reliability is paramount.

The S-13R1H14-A4T2U3 provides advanced positive voltage regulation with low dropout voltage and very low output noise. It offers a fast response to any output current changes, while maintaining the regulated output voltage accurately. The output voltage is held tightly within its specified voltage regulation range, even with large output current variations. The built-in protection circuit is designed to protect the device from short-circuit, overvoltage, and overcurrent conditions. It also includes a thermal shut-down feature to protect the device from overheating.

The main working principle of the S-13R1H14-A4T2U3 is feedback-based voltage regulation. The device uses an internal voltage comparator that compares the output voltage with a reference voltage. If the output voltage is lower than the reference voltage, the regulator increases the output voltage by supplying more current through the P-channel power transistor. If the output voltage is higher than the reference voltage, then the regulator decreases the output voltage by decreasing the current. This regulation is done by controlling the on/off time of the power transistor. This method provides very accurate and fast response to instantaneous current changes, while still maintaining the required output voltage.

The S-13R1H14-A4T2U3 is a very flexible device, allowing the output voltage to be set via two external resistors. The device also has two adjustable output bias voltages, which can be used to provide a low dropout voltage and low quiescent current. The device includes a ‘staging’ pin that can be used to drive larger capacitive loads, such as those found in battery supply solutions. The output on/off pin can be used to control the output voltage of the device from 0V to the maximum regulated voltage.

Overall, the S-13R1H14-A4T2U3 is a high performance and highly reliable low dropout voltage regulator ideal for automotive, industrial/commercial/telecom, and other applications. It can provide up to 3A of continuous current and its extremely low dropout voltage ensures high efficiency and accurate voltage regulation for today\'s power sensitive applications. Its protection circuit safeguards the device from short circuit, overvoltage, and overcurrent conditions, and its thermal shut-down feature helps prevent overheating. Furthermore, its two adjustable output bias voltages, and its ‘staging’ and output on/off pins offer greater flexibility.

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