19-2988;Rev 2; 5/041 A, 7 6 V, Hig h -Effic ie n c y MAXP o w e rS t e p -Do w n DC -DC Co n ve rt e rGe n e ra l De s c rip t io nFe a t u re sThe MAX5035easy-to-use, hig h-e fficienc y, hig h-volt-age,ste p-d ownDC-DCconve rte r opera te s from aninput voltageup to 76V and cons ume s only 270μA qui-escentcurre nt at no load.This pulse-widthmod ulated(PWM) conve rter op eratesat a fixed125kHz switchingfreque nc y at he avy loads,andautoma ticallyswitche sto pulse-skipping mod e to provid e low quiescent cur-rentandhig h efficiency atlight loa ds.The MAX5035inc lud es inte rna l freque nc y comp ens ation simp lifyingcircuit impleme nta tion. The deviceus es an interna l low-on-re sistanc e, high-volta ge, DMOStrans istor to ob tainhig h efficienc y andre duc e ove ra ll sys te m cos t. Thisdeviceinc lud es und ervolta geloc kout, cycle-by-cyclecurre nt limit, hiccupmod e outp ut short-c ircuit prote c-tion,