Constant frequency 1x/1.33x charge pump DC/DC converter
Description
General Description The ET9378 is a low noise, constant frequency 1x/1.33x charge pump DC/DC converter for white LED applications. The ET9378 is capable of driving up to eight channels of LEDs at preset 19mA per channel from a 3.3V to 5.5V input. Under the same conditions, when the charge pump is opened, its efficiency is 10% higher than the conventional 1.5...
