ET9378 Datasheet (Etek Microelectronics) - Constant frequency 1x/1.33x charge pump DC/DC converter

ET9378, Constant frequency 1x/1.33x charge pump DC/DC converter

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

ET9378 Features

* VIN Range: 2.5V to 5.5V Fully Programmable Current with Single Wire

* 16 Current Levels Drives up to Eight Channels of LEDs Overcurrent and Overtemperature Protected No Inductors, Low Noise Operation Small Application Circuit Automatic Soft Start I Q