Data Sheet

SUNONWEALTH
Page 9 of 16
25 KHz)
Unit
Hz
V
V
mA
%
D.C.
0
* The speed is default to be maximum if PWM input pin is unconnected.
--
100
--
0.5
--
V
L
--
--
0.4
1. Period :
2. Duty CycleD.C. :
PWM INPUT WAVEFORM
100
4800±10%
f pwm
22K
25K
28K
V
H
2.1
5
6
Isource
Electrical Characteristics ( at Ta = 25℃,Vcc =Rated Volt.)
Parameter
Min
Typical
Max
3.PWM Duty Cycle VS Speed (at Ta = 25,Vcc =Rated Volt.,fpwm=
50
2000±480RPM
PWM Duty Cycle (%)
FAN Speed R.P.M.(REF.)
. t2(sec) t1
1
T
f
PWM
+==
. t2(sec) t1
1
T
f
PWM
+==
t1 t2
T
V
V
H
V
L
t1
t2
T
V
V
H
V
L
. 100(%)
T
t1
100
t2t1
t1
=
+
. 100(%)
T
t1
100
t2t1
t1
=
+
10K
4.7K
10K
+6V
Ground
Isource
PWM Input
Vcc = rated volt.
FanSystem
10K
4.7K
10K
+6V
G
round
Isource
PWM Input
Vcc = rated volt.
FanSystem
PWM INPUT SIGNAL
2017.09.04
D.C.C.