pin assignment

AM3933 AM3933


1) Operation voltage 1.8 to 8.0V.
2) Lock detection/Automatic restart circuit.
3) Control output terminal. (FG)
4) Thermal shutdown circuit.
5) Over current protection.
6) Combo PWM and Voltage controllable.
7) Low cross-over noise.
8) Noise Free.


The AM3933 is a single phase DC fan motor Combo driver IC. Rotation speed can be
controlled by PWM input signal and voltage. The drivers include Lock Detection, Thermal
Shutdown, and Over-current Protection. Maximum output current is 1A. Package is PB-free
and Halogen-Free.

Single Phase DC Fan Motor.

Data Sheet

TEL:+886-2-2999 8989
FAX:+886-2-2999 2929