PT4201 controller equivalent, current-mode pwm controller.
power saving operation at no load or light load condition, PWM frequency is reduced to minimize switching loss and low standby power and high efficiency is thus achieved..
It is also suitable for high precision and high reliable LED lighting applications. It features power saving operation .
PT4201 is a highly integrated current mode PWM controller ， providing low standby power and cost effective system solution for the sub 30W flyback converter applications. It is also suitable for high precision and high reliable LED lighting applicati.
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