S-8356M18MC-MEDT2U

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The S-8356M18MC-MEDT2U is a DC/DC switching controller with advanced functions. It is designed to be used in many different application fields, including consumer electronics and automotive applications. This IC can be used to provide a variety of controllable power supplies, such as step-up DC/DC converters, buck DC/DC converters, and synchronous buck boost DC/DC converters.

This IC is an effective controller for switching power supply circuits, using the current mode PWM control circuit. It provides low voltage and large current output capability, and features under voltage protection, short circuit protection, and over temperature protection to ensure safe operation of the circuit. It also features a low voltage lockout function that prevents continuous conduction mode operation at low input voltage, and it can support up to a 18V input voltage range.

The device features a maximum peak current limit level that can be continuously adjusted to a certain value, by adjusting the external resistor connected to the ISET pin. It also has an automatic soft start function that helps reduce inrush current, as well as a power-saving operation mode called EcoStretch mode. This mode is designed to reduce conduction losses and increase efficiency, while providing a stable output voltage. The S-8356M18MC-MEDT2U also includes a frequency programming terminal, allowing users to directly adjust the switching frequency of the output voltage using an external resistor.

The device is able to achieve high-efficiency and high-power density, by using the latest power MOSFET technology. Its construction includes a self-clocking buck-boost PWM controller and advanced circuitry, which helps reduce the size and cost of the final power supply design. Its AC to DC and DC to DC power conversion capabilities make it suitable for many different types of applications.

In operation, the S-8356M18MC-MEDT2U uses a switching frequency of 18 MHz and this provides a high-frequency operation for higher efficiency. The control system of the device uses a PWM control circuit, and this enables setting of the output voltage under the closed loop system. This ensures that the output voltage is stable, by comparing the feedback voltage and the reference voltage.

The integrated protection circuit in the S-8356M18MC-MEDT2U helps to prevent potential damages caused by overcurrent, overvoltage, as well as hot and cold temperature conditions. It also includes a built-in Over Temperature Protection function, which shuts down the output voltage automatically when the IC temperature exceeds a predetermined threshold. This helps to maintain the power supply in a safe operating temperature.

Overall, the S-8356M18MC-MEDT2U is a powerful DC to DC switching controller. It is suitable for a variety of applications, and provides efficient and high-power risk conversion capabilities. Its advanced protection and current limit functions ensure the safe operation of the device, while its frequency programming and EcoStretch mode allow users to adjust the output voltage as needed.

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