User Guide

20
EN
3-14. Fan speed duty description
The fan determined by load and heat sink temperature.
1. Fan speed 100%: comply with one of the following conditions
a. Load ≧ 75%
b. Load ≧ 50% and heat sink temperature ≧ 50℃
c. Heat sink temperature ≧ 75℃
2. Fan speed duty 50%:
a. Heat sink temperature ≧ 67.5℃
or
b. Set CX to sleep mode by setting DIP4 (Refer to 3-2) when
1. a, b, or c applies
3. Fan speed duty 0%:
a. Load < 75% and heat sink temperature < 35℃
or
b. Sleep mode turned on by CR-1