LYT4226E

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LYT4226E is an advanced offline switcher designed for use in off-line AC-DC and DC-DC converter applications. The device integrates most of the components necessary to build compact, complex and cost-effective offline power supplies.

The device’s main component is a high-voltage (HV) integrated power switch (IPS). This IPS has an integrated low-side MOSFET switch. The IPS monitors input voltage, position and voltage-level of the associated components and if the voltage is above a predetermined level, a signal is sent to the controller, which then turns on the associated MOSFET switch and starts the power conversion process. The device has protection and safety features such as current sense circuit, over-voltage protection, programmable timer, over-temperature detection, open-loop protection and auto-reset.

The application field of the LYT4226E device includes single and multi- output DC/DC electric power converters, offline AC/DC power supplies, charger and adapter, telecom, networking and digital signal processor applications. It is suitable for use in products such as LED lighting, digital displays, home appliances, audio and video equipment, gaming devices and automotive electronics.

The working principle of the LYT4226E device is based on its integrated power switch. Its power switch uses a proprietary MOSFET technology to monitor the voltage, position and voltage level of the associated components. When the input voltage is above a predetermined level, the power switch sends a signal to the controller to turn on the associated MOSFET switch, and the power conversion process is initiated. The device supports a variety of protection and safety features, such as transient surge protection, over-voltage protection and programmable timer. It is capable of generating pulses with high accuracy to ensure efficient power conversion.

In conclusion, the LYT4226E device is an ideal solution for AC/DC and DC/DC power applications. It provides excellent performance in terms of protection and safety features, improved power conversion efficiency, and excellent input surge protection. Its integrated power switch can detect the input voltage and perform an accurate turn-on of its associated MOSFET switch, thus reducing the design complexity and cost for the power converter.

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