Data Sheet

Single Phase Full-wave Motor Driver for Silent Fan Motor

AM9789

Oct. 2012

Rev. 1. 1

BCD Semiconductor Manufacturing Limited

11

Typical Application (Continued)

For MSOP-8 package

Figure 9. Typical Applications of AM9789 (Note 2)

Note 2:

D1 is an ordinary diode used to filter the noise from VCC and protect IC if VCC and GND are plugged reversed.

C1=1

µF/10V typical.

R1 and R2 should be fine tuned based on system design. They can be removed according to the system

requirements.

Zener diode (D2) is an optional choice.