90w单级,笔记本电脑适配器

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The 90 W demo board demonstrates the wide range of features found in the NCP1651. It provides an 18.5 V, 4.86 A isolated output, foldback current limit which is ideal for
low−cost battery charger and notebook adaptor applications. This unit will provide an isolated 18.5 V output from an input source with a frequency range from 47 Hz to 63 Hz,
and a voltage range of 90 Vrms to 265 Vrms. It is fully self−contained and includes an internal high voltage startup circuit, and bias supply that operates off of the Flyback transformer auxiliary winding.， 大小：337 KB