S-8355M30MC-MCPT2U

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DC–DC controllers are electronic circuits that are used to control the output voltage, output current of power supplies, or other DC–DC converters. The S-8355M30MC-MCPT2U is a multi-channel pulse transformer (MCPT) for use in DC–DC switching controller applications. It is found in a wide variety of power supplies ranging from mobile phones to other high-power applications.

This specific part is an integrated circuit device that uses pulse transformers to provide isolation from the input to the output of a DC–DC converter. It offers a peak-to-peak output voltage of 50 V across two channels with a dV/dt of 4V/μs for each channel. The pulse transformer also has a low-power-loss structure with a high operating frequency of up to 200 kHz.

The primary application field of the S-8355M30MC-MCPT2U is within DC–DC switching controllers. It is designed to provide isolation and protection for an AC or DC input voltage and an output voltage of up to 50 V. It features a high side drive that provides active and accurate power control of each channel, while the low side drive offers a lower current capability.

The working principle of the S-8355M30MC-MCPT2U is based on two transistors with each transistor controlling one output pin. The two transistors are arranged in a totem-pole configuration, and when activated will both be enabled, allowing current to flow from one transistor to the other. This is referred to as “totem-pole control” and is used to control the input and output voltages of the DC–DC converter.

As for the protection circuitry of the S-8355M30MC-MCPT2U, the integrated circuit device includes both over-voltage protection (OVP) and over-current protection (OCP) features. These protective features work by monitoring the input and output voltages of the device and then raising an alarm if there is an imbalance or excessive current draw. If a fault is detected, the device will then shut off, ensuring that no power is lost or wasted.

The S-8355M30MC-MCPT2U is suitable for use in a variety of power supply applications, particularly in high-power systems such as portable devices, smartphones, and medical instrumentation. It offers high-power conversion efficiency and advanced protection features, ensuring that the system is safe and reliable. As such, it is a vital component in any power supply system.

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