MIC38HC45 Datasheet | Micrel Semiconductor

MIC38HC42/3/4/5 Micrel MIC38HC42/3/4/5 BiCMOS 1A Current-Mode PWM Controllers Final Information General Description The MIC38HC4x family are fixed frequency current-mode PWM controllers with 1A drive current capability. Micrel’s BiCMOS devices are pin-patible with 384x bipolar devices. Their high output drive, with fast rise and fall times, bined with low startup current make it an ideal PWM controller where high efficiency is required. Undervoltage lockout circuitry allows the ’42 and ’44 versions to start up at 14.5V and operate down to 9V, and the ’43 and ’45 versions start at 8.4V with operation down to 7.6V. All versions operate up to 20V. When pared to bipolar UC384x...