70W Universal Laptop Power Supply Adapter Circuit
Here is an external laptop adapter circuit which is an AC / DC universal power supply adapter. It is equipped with features with approximately constant overload power line voltage, ie line undervoltage detection (UV) and overvoltage (OV) shutdown, and is fully protected for overload, short circuit and thermal errors.
In addition to the above features, universal laptop power supply consumes low electricity load, which is about 370mW at 115V
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