S-8355M50MC-MDJT2U Integrated Circuits (ICs)

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The S-8355M50MC-MDJT2U is a DC DC Switching Controller, specifically designed to provide power conversion in modern and efficient circuit designs. This controller offers a precise, adjustable, wide-ranging dc to dc power conversion, with an efficient and robust power solution. This part is suitable for a variety of applications such as portable and stationary devices, motor control systems, industrial, telecom, battery powered and other power-sensing systems.

The S-8355M50MC-MDJT2U is a 3 phase synchronous rectification dc-dc controller, which provides a wide range of output current ratings from a 200mA minimum to a 2A maximum. It integrates controls for three phase power conversion, and features several proprietary features to simplify system design and reduce external components. The device includes undervoltage lockout, all channels overcurrent protection, and a temperature-compensated constant frequency oscillator.

The S-8355M50MC-MDJT2U supports electric power transfer between low voltage (2.5V to 12V) sources and high output voltages (12V to 48V). This device integrated two active channels for control and two integrated FET outputs per channel. The device switches at a fixed frequency of 2 MHz and provides a programmable soft start and loop gains when used with an external compensation circuit.

The S-8355M50MC-MDJT2U also features overcurrent protection, overvoltage protection and current fold-back protection. It can also be configured as a fixed frequency, DC/DC converter. The standard package size of this device is 5mm x 5mm, which makes it suitable for space constrained applications.

The S-8355M50MC-MDJT2U is designed specifically for the new generation of high power density, high efficiency, low ripple linear and switching converters. It is suitable for use in automotive, medical, satellite, and other power systems applications, where efficient dc to dc power conversion is required. This controller supports three-phase interleaved PWM, providing smoother current and improved efficiency.

The working principle of the S-8355M50MC-MDJT2U is based on a simple synchronous rectification technique. This technique employs two switching FETs that are switched at alternate times, allowing for current flow through only one FET during each switching period. When the two FETs alternate switching, the average current flow through the inductor is maintained at the required level, allowing for efficient and precise power output.

The S-8355M50MC-MDJT2U can also be configured as a constant frequency, DC/DC controller. This allows for more efficient conversions as the PWM frequency is maintained at a constant level, eliminating line frequency ripple. The device also supports current limit, overvoltage protection, undervoltage lockout and thermal protection to ensure the safety and longevity of the system.

Overall, the S-8355M50MC-MDJT2U is a compact, efficient, and robust DC DC Switching Controller that is suitable for a variety of applications, including portable and stationary devices, motor control systems, industrial, telecom, battery powered and other power-sensing systems. It is designed to provide precise, adjustable, wide-ranging DC to DC power conversion and features several proprietary features to simplify system design and reduce external components.

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