19 V, 3.0 A Universal Input AC−DC Adaptor Using NCP1271

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The NCP1271 is one of the latest fixed−frequency
current−mode PWM switching controllers with
(1) adjustable Soft−Skip standby operation for low−level
audible noise, (2) integrated high−voltage startup for saving
standby power, (3) timer based overload fault detection, and
(4) internal latch protection features. Table 1 summarizes all
the features of an NCP1271 based power supply.， 大小：2.73 MB