Grade A Quality 65w Adapter Charger 19.5v 3.33a for HP
In simple terms, the working principle of the notebook power adapter is to use the principle of
Switching Power Supply
through the conversion circuit to the unstable current into the notebook computer needs constant voltage DC current to the laptop
Power Supply
and charging. This conversion circuit must exist protection circuit (over-current protection circuit, over-voltage protection circuit, short circuit protection circuit, etc.), to prevent accident when the laptop will not be damaged.
Followed are the details: