S-1142AJI-E6T1U

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The S-1142AJI-E6T1U is a Linear Voltage Regulator (LVR) from Semtech, part of its Power Management Integrated Circuit (PMIC) product offering. The S-1142AJI-E6T1U is a step-down DC-DC converter with an adjustable output of 0.8V to 5.5V, and a 0.5A continuous current load capacity.

Linear voltage regulators (LVRs) are electrical components designed to regulate the output voltage of a power supply by reducing a higher DC voltage to a lower, steady-state DC voltage. An LVR contains an adjustable voltage reference and an error amplifying transistor that creates a linear negative feedback loop. A current enters the LVR through the input pin and at the output pin, a voltage is provided that is regulated to a predefined level. By sending a voltage reference to the error amplifying transistor, the output voltage is managed by the closed loop system. In the S-1142AJI-E6T1U, the output voltage is adjustable through an external resistor divider with a maximum voltage of 5.5V and a minimum voltage of 0.8V.

The S-1142AJI-E6T1U is capable of providing a continuous output current of up to 0.5A with a typical dropout voltage of 200mV. There are two versions of the S-1142AJI-E6T1U: one with an on/off pin for manual control and one without the on/off pin. The S-1142AJI-E6T1U has a high-efficiency switch-mode operation of up to 93%, meaning that a large portion of the supplied power is utilized efficiently.

The S-1142AJI-E6T1U has a wide range of applications, from mobile communication devices to automotive electrical systems. It is also well suited for use in embedded processing systems, industrial automation equipment, battery-powered systems and portable electronics where space saving and low power consumption is a priority. The S-1142AJI-E6T1U is also suitable for high-efficiency power distribution systems such as Point-of-Load (POL) converters, as well as switching regulated power supplies.

The S-1142AJI-E6T1U is available in a tiny SOT-89 package and provides many protection features such as over-current protection, over-voltage protection and thermal shutdown for safe and reliable operation. Its small size and high efficiency makes it well suited for low-power applications, and its over-current and over-voltage protections further enhance its suitability for use in power-handling applications.

The S-1142AJI-E6T1U from Semtech is an excellent choice for anyone looking for a reliable and efficient voltage regulator for their application. With its adjustable output voltage, high efficiency, and robust protection features, the S-1142AJI-E6T1U provides the perfect solution to any voltage regulation need. It is an excellent choice for applications including mobile communications, automotive systems, embedded systems, power distribution systems and portable electronics.

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