GENERAL DESCRIPTION

SM3501 is a Fan Controller CMOS IC, has three wind modes; normal, rhythm and sleep wind. Four kinds of timer setting and a toggled O/P that can be used as swing/light.

FEATURES

* High performance CMOS technology

* 455KHz or RC type can be selected.

* Two to three wind modes can be selected. Normal, Rhythm and Sleep wind mode.

* Three-wind grade control in each wind mode: Low, Medium and Strong wind.

* Four types of timer setting by PIN option:

  ladder adder (1/2 - 1 - 2 - 4 - 8HRS / 1 - 2 - 4HRS)

  non-ladder adder (1 - 2 - 4 - 8HRS / 1 - 2 - 4HRS)

* SPEED or ON/OFF key can enable fan controller by PIN option

APPLICATIONS

* Electronic Fan

* Heater Fan