S-1142D48I-E6T1U Integrated Circuits (ICs)

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The S-1142D48I-E6T1U is an ultra low dropout regulator (ULDO) that is of the linear source/PMIC/voltage regulator type. Its applications are primarily for systems that require low voltage, high current operation and wide range, low-voltage, low-noise, high level output stability.

The S-1142D48I-E6T1U is designed to provide voltage regulators with a low dropout voltage rating that is far superior to a conventional voltage regulator. The device\'s superior regulation characteristics provide excellent electrical integrity and regulation stability over the widest range of input and output voltages. The device features quiescent current levels that are typically in the single-digit microamps range, with low output noise on the order of 150µV.

The S-1142D48I-E6T1U operates from a 3.3V to 6V input voltage and is designed to enable output currents of up to 100mA, with an output voltage that can be adjusted from 0.8V to 3V. The device features a logic-controlled enable/disable function that allows for the shutdown of the output voltage, effectively reducing the current consumption to a negligible level for higher power saving. The device also incorporates a three-state logic output control and adjustability of the output voltage using a proven external resistor divider.

In terms of its operation, the S-1142D48I-E6T1U works by converting input DC voltage to a regulated DC output voltage that has superior stability. The internal circuits of the device are basically powered using the input voltage and in turn deliver the regulated output voltage. The integrated high-side pass element of the device is designed to deliver power in an ultra-low voltage drop, while also providing excellent load characteristic stability without the need for compensating components. The provided stability of the high-side pass element is further enhanced by the advanced internal compensation adopted by the device.

The high-side pass element of the S-1142D48I-E6T1U is designed to ensure excellent current limiting stability even under conditions of extreme overloads and short-circuits. The device features superior overload protection and short-circuit protection with minimal short-circuit dissipation and minimal voltage overshoot. It also features low output voltage ripple and fast transient response from load conditions.

The S-1142D48I-E6T1U is well suited to a broad range of applications, offering superior electrical characteristics and superior efficiency. Its ability to manage low input and output voltages makes it the right choice for many applications, including automotive, consumer electronic, medical and industrial applications.

In summary, the S-1142D48I-E6T1U is an ultra low dropout, linear source/PMIC/voltage regulator that is optimized for wide range, low-voltage, low-noise and high level output stability. Its superior regulation characteristics and logic-controlled enable/disable feature make it an ideal choice for applications requiring the reliable management of low-voltage, high-current operations.

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