HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS

The UTC UC3844/3845 are high performance fixed frequency current mode controllers that specifically designed for Off-Line and DC to DC converter applications with minimal external parts count. The differences between UC3844 and UC3845 are the maximum duty cycle ranges and under-voltage lockout thres Operation output switching frequency up to 500 kHz   \n Output deadtime adjustable from 50% to 70% \n Automatic feed forward compensation \n Latching PWM for cycle-by-cycle current limiting \n High current totem pole output \n Internally trimmed reference with under voltage lockout \n UVLO w;

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