S-875043BUP-ABBT2U

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The S-875043BUP-ABBT2U is a member of the PMIC – Voltage Regulators – Linear category of power management ICs. It is designed to perform a range of voltage regulation and power management tasks, especially in low-current applications, making it ideally suited to powering many of today’s electrical and electronic devices. This article will discuss the application field and working principles of the S-875043BUP-ABBT2U.

The S-875043BUP-ABBT2U can be used in a range of low-current applications, such as supplying power to portable devices and laptops. It is also commonly used in low-power embedded systems and FPGA-based designs. It is particularly suited to applications where power rails up to 15V and 200mA need to be generated from a single supply. Its low-current operation makes it suitable for many of today’s low-powered, energy-aware applications.

The S-875043BUP-ABBT2U features a dual-phase pulse-widthmodulated (PWM) buck regulator design. It comprises a step-down PWM controller IC and an externally adjustable 0.2 ohm, 8 A synchronous buck regulator driver. The IC regulates the input power to the application, while the external driver amplifies the regulated voltage and current to a level needed by the application.

The S-875043BUP-ABBT2U is designed to operate off of a single source and is equipped with an input voltage range of 2.7V to 15V. It also features an output voltage range of 0.6V to 15V grades with an adjustable switching frequency up to 1.2MHz. The device also provides a maximum output current of 200mA and features pre-biased output voltage for easy startup. It further features short-circuit protection, over-current protection and thermal shutdown.

In addition to the dual-phase PWM buck regulator design, the S-875043BUP-ABBT2U also features an adjustable output power-OK level. The output power-OK level can be configured between 0.6V and 99.9% of VIN through the external resistor. It monitors the output voltage to ensure the regulated voltage is within an acceptable level and pulls the power-OK signal low when the output voltage falls below the programmed level.

The S-875043BUP-ABBT2U also features an integrated load-line compensation, which provides a stable output voltage and current even when the load varies. The load-line compensation helps to reduce the output noise and ripple in a wide variety of load conditions. The device further features integrated loop compensation, which helps to maintain stability and reduce output voltage droop.

Overall, the S-875043BUP-ABBT2U is an ideal choice for powering portable devices, laptops and embedded systems, where low-current applications are needed. Its dual-phase PWM buck regulator design with adjustable output power-OK level and integrated load-line compensation make it an ideal choice for low-current, reliable voltage regulation. Its features also make it an ideal choice for FPGA-based systems and embedded applications.

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