Motor steady speed circuit
CD6650CP/CB
1.
CD6650CP/CB
CD6650CP VCC opr = 1.8V ~ 7V CD6650CB VCC ( opr ) = 1.8V ~ 3.6V
2.
2.1
DIP8/SOP8
41
23
...
Description
CD6650CP/CB
1.
CD6650CP/CB
CD6650CP VCC opr = 1.8V ~ 7V CD6650CB VCC ( opr ) = 1.8V ~ 3.6V
2.
2.1
DIP8/SOP8
41
23
1k
10k
7
2.2
1 2 3 4
Vref Vref + VCC IN comp
8 56
-5
GND
+6
GND
7 Motor
8 Phase Com
14 0510 5807228-5542 15
0510 5800864
CD6650CP/CB
3.
3.1
Tamb= 25
7 1 CP CD6650CP
VCC V1 2 4
ICC I7 PD Tamb Tstg 2 CB
CP ( 1) CB ( 2) CP ( 1) CB ( 2) CP ( 1): t 5us CB ( 2): t 1us
CP ( CB ( CP ( CB ( CP ( CB (
CD6650CB
1) 2) 1) 2) 1) 2)
7.5 4 -0.5 ~7.5 -0.5 ~ 4
1
1 750 360 -20~75 -20~60 -40~150 -40~125
V
V
A A mW
3.2 Tamb= 25 VCC = 3V
ICCQ Vref
VCCS
R2~1 10k Ra
2 3 mA
1.20 1.28 1.35 V
30mA
1.0 1.2 V
4.1 4.1
4.2
1 2
* KVref =
Vsat
*KVref VCC
*KVa VCC
( Vref / Vref)/ I7 ( Vref / Vref)/ Ta
Vref Vref
VCC=1.8V Ra=4.7 CD6650CP VCC = 1.8V ~ 7V CD6650CB VCC = 1.8V ~ 3.6V CD6650CP VCC=1.8V ~ 7V CD6650CB VCC= 1.8V ~ 3.6V
I7 = 1mA ~ 20mA
Tamb = -20 ~ 60 VCC = 3V * KVa = Va Va
0.2 0.5 V 4.2
-1.25 0.1 1.25
V 4.1
-1.2 0.1 1.2
V 4.3
-0.2 0.01 0.2 0.01
mA 4.4 4.1
25
CD6650CP/CB
4.
4.1
V
0.1uF +
Ra 4.7
0.1uF
1k
+
876 CD6650
123
10k
5 4
1uF
mA
Vcc
4.1
1k
0.1uF
8765
CD6650 Va
1234
10 1uF
+
1k
9.1k
Vcc
4.3
5.
8
1 9.1
k
76 CD6650 23
0.47
5
4 1uF
Vcc
4.2
I7
0.1uF
1k
+
mA 8 7 6 5 CD6650
12 V
9.1
k
34
10 1uF
Vcc
4.4
PD W
P D - Ta
0.8 CD6650CP
0.7
0.6 CD6650CB
0.5
0.4 0.36 0.3
0.2
2
1
0.1 0 -20 0 20 40 60 80 100 120 140 160
Tamb
(1) 55mm 20mm 0.7mm (2) (single nuit)
35
CD6650CP/CB
6.
6.1 3V
Ra=4 0.1uF
N (rpm)
8765
3000
N-...
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