S-8351C35UA-J6UT2U

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The S-8351C35UA-J6UT2U is a two-channel, synchronous step-down DC/DC converter IC. It has a low quiescent current, high efficiency, and wide input voltage range. It is designed for use in applications such as automotive, industrial, and portable equipment. This IC is a member of the DC/DC switching regulator voltage regulators family and is specifically tailored to meet the requirements of battery management, low-voltage or high-current loads. It consists of a low-side n-channel MOSFET, high-side p-channel MOSFET, and charge pump. The S-8351C35UA-J6UT2U operates in a 2.5V to 5.5V input voltage range. It offers adjustable output voltage of 0.5V to 5.0V and is available in 6-pin USP-6C, 8-pin USP-8C, and 10-pin USP-10C packages. It has an adjustable soft-start function that can be set to a maximum value of 1ms and it has an integrated overcurrent protection circuit. The S-8351C35UA-J6UT2U’s working principle is based on the concept of synchronous rectification. Synchronous rectification is a process of using two active switches (the high-side and the low-side) to replace the traditional diode rectifiers. By using MOSFETs instead of diode rectifications in the boost converter, efficiency is improved since the MOSFETs act as switches, thus eliminating power losses due to the voltage drop on the diode. The S-8351C35UA-J6UT2U supports output currents up to 3A and switching frequencies up to 600kHz, depending on the applicable circuit conditions. Its internal voltage regulation feedback loop works in conjunction with an external voltage divider and an N-channel low-side MOSFET. The circuit is designed to regulate the output voltage in response to changes in the input voltage and load conditions. The S-8351C35UA-J6UT2U is well suited for use in applications that require high-efficiency, low quiescent current, and wide input voltage range. It is suitable for automotive, industrial, and portable equipment applications, such as power supply designs, DC/DC converters, charge pumps, and battery management. The S-8351C35UA-J6UT2U includes over-temperature, over-voltage, under-voltage, current sense, and over-current protection features. It also features an adjustable start up delay time and adjustable soft-start times. In conclusion, the S-8351C35UA-J6UT2U is a two-channel, synchronous step-down DC/DC converter IC designed for applications demanding a low quiescent current, high efficiency, and wide input voltage. It has an adjustable output voltage of 0.5V to 5.0V and supports output currents up to 3A. Its operating principle is based on the concept of synchronous rectification which makes it well suited for use in power supply designs, DC/DC converters, charge pumps, and battery management. It is available in 6-pin, 8-pin, and 10-pin packages.

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