S-8533A125FT-TB-G

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The S-8533A125FT-TB-G is a step-down DC/DC switching controller that helps manage the power requirement of various applications by providing voltage regulation and Power Conversion. The controller can be used to drive an external MOSFET with a low on-resistance for high efficiency. This controller with its high efficiency, wide input voltage range, and low external components count, makes it an ideal solution for use in applications such as automotive, consumer, industrial, and telecom applications.

An important benefit of the S-8533A125FT-TB-G controller is its ability to deliver a regulated voltage output. The controller can accurately control and deliver a regulated voltage from 0.8V up to 5.5V to the application. It is designed to handle a wide variety of loads and presents a low output voltage ripple to the load. In order to maintain a stable output voltage, the controller features an on-chip 1.20V voltage reference.

The S-8533A125FT-TB-G also features an internal soft-start stage. During the soft-start stage, output power is slowly ramped up to eliminate large inrush current and reduce stress on the components during power-up. This feature can be disabled by setting soft start time(SS) pin to High-impedance state. Additionally, the S-8533A125FT-TB-G has an internal power-on reset circuit, which prevents abnormal operation of the IC when the power is first applied.

The S-8533A125FT-TB-G includes a low side driver for driving an external MOSFET. The low side driver features a 30Ω minimum on resistance and can deliver continuous source and sink currents of up to 50mA. The IC also features a built-in dual-slope architecture which eliminates the need for an external clock. Therefore, the IC is able to operate at frequencies ranging from 200kHz to 1MHz.

The S-8533A125FT-TB-G also has thermal shutdown protection. If the die temperature of the IC exceeds the threshold of 140℃, the thermal shutdown circuit will shut down the IC and protect it from any further damage.

The S-8533A125FT-TB-G is well suited for automotive, consumer, industrial, and telecom applications. It can be used to drive an external MOSFET for efficient power conversion, provide voltage regulation for loads, and reduce the number of external components required. Furthermore, its wide inputs range, short soft start time and over temperature protection make it an ideal choice for various applications.

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