2-Phase boost controller cascades outputs to regulate beyond 200V

ANALOG DEVICES Power by Linear LTC7840 2-phase nonsynchronous boost controller drives two stages of external N-channel power MOSFETs. It is configurable as single or dual output boost regulator or for higher voltages, the output of the first channel can feed the input of second channel allowing an output voltage which exceeds several hundred volts. A typical application is for a 12V input voltage to be boosted to 48V with the first channel and the second channel boosting the 48V to 240V with an output current of up to 700mA, making it suitable for automotive, industrial and medical applications.