ELM900x Datasheet - ELM

ELM900x WHITE LED FLASHLIGHT DRIVER

ELM900x is a CMOS IC designed for driving white LEDs by one or two dry cell as a power source. ELM900x can drive two series white LED by 1.5V-3.0V input voltage. ELM900x uses an external inductor as a voltage booster. ELM900x consists of an oscillator circuit and a driving transistor. The input DC p.

ELM900x Features

* Low cost and simple application circuit High efficiency Constant average power control Low noise 35kHz constant frequency switching Compact SOT-89 package APPLICATION White LED flashlight Laser pointer High VF LED driver LCD backlighting PIN CONFIGURATION Pin No. Pin Name 1 VSS 2 VDD 3 LX SO

ELM900x_ELM.pdf