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[ Descriptions ]


HY3843 Hooyi - (HY3842 / HY3845) PWM controller

HY3842, 43, 44, 45 DESCRIPTION The HY3842D-N, 3843D-N, 3844D-N, 3845D-N, are fixed frequency current mode PWM controller. They are specially designed for OFF Line and DC to DC converter applications with a minimal external components. Internally implemented circuits include a trimmed oscillator for precise duty cycle control, a temperature compensated reference, high gain error amplifier, current


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