S-1142B90H-E6T2U

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S-1142B90H-E6T2U is a family of Linear Voltage Regulators that belong to the group of PMIC (Power Management IC) devices. These low-power regulators offer low-drop-out performance and a wide range of input voltage options. With its versatile features and small form factor, the S-1142B90H-E6T2U is suitable for many applications in fields such as industrial, automotive, and consumer electronics.

Application

The S-1142B90H-E6T2U voltage regulator is capable of providing high-efficiency power conversion for many applications including portable devices. It can also be used for post-regulator applications such as wireless systems, base stations, optical modules, and IoT (Internet of Things) applications. Another popular application for the S-1142B90H-E6T2U regulator is in industrial systems, due to its wide operating temperature range, maximum continuous output current of 1.5A, and low quiescent current.

The S-1142B90H-E6T2U is particularly suitable for automotive applications due to its robust design, wide input voltage range of 2.7V-21V, and low drop-out voltage. The device operates over a wide temperature range of -40°C to +85°C, making it an ideal solution for automotive components such as cameras, sensors, and display modules that operate in a wide range of environments.

Working Principle

The S-1142B90H-E6T2U is a linear voltage regulator that uses an error amplifier to compare the output voltage to a reference voltage. When the output voltage is lower than the reference voltage, the error amplifier triggers the P-channel MOSFET switch which switches the input voltage to the output terminal. In the same way, when the output voltage is higher than the reference voltage, the error amplifier triggers the N-channel MOSFET switch which switches the input voltage to ground.

The device also features a drop-out voltage detection circuit, which monitors the output voltage for any sudden drops. If the output voltage drops below the minimum regulation voltage, the circuit will detect this and trigger the power-save mode. In this mode, the device will reduce the load current by cutting off the output voltage, thus saving power and increasing device efficiency.

The S-1142B90H-E6T2U has a wide range of features which make it an ideal choice for many power management applications. It features a current-limit circuit which limits the output current to a safe operating level, an ESD protection circuit which guards against Electro-Static Discharge, and a thermal shutdown protection circuit which prevents the device from exceeding its safe operating temperature.

Conclusion

The S-1142B90H-E6T2U Linear Voltage Regulator is a versatile and reliable device that is suitable for a wide range of applications in both consumer and industrial fields. It offers a wide range of input voltage options, low-drop-out performance, and has a wide range of protection features. It is an ideal choice for many power management applications due to its compact size, low power requirements and high efficiency.

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