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PDF SDK03M Data sheet ( Hoja de datos )
| Número de pieza | SDK03M | |
| Descripción | 2-Phase Stepper Motor Unipolar Driver ICs | |
| Fabricantes | Sanken | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SDK03M (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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2-Phase/1-2 Phase Excitation
SDK03M
2-Phase Stepper Motor Unipolar Driver ICs
sAbsolute Maximum Ratings
Parameter
Motor supply voltage
FET Drain-Source voltage
Control supply voltage
TTL input voltage
Reference voltage
Output current
Power dissipation
Channel temperature
Storage temperature
Symbol
VCC
VDSS
VS
VIN
VREF
IO
PD
Tch
Tstg
sElectrical Characteristics
Parameter
Symbol
Control supply current
Control supply voltage
FET Drain-Source
voltage
FET ON voltage
FET drain leakage current
FET diode forward
voltage
TTL input current
TTL input voltage
(Active High)
TTL input voltage
(Active Low)
Switching time
IS
Condition
VS
VDSS
Condition
VDS
Condition
IDSS
Condition
VSD
Condition
IIH
Condition
IIL
Condition
VIH
Condition
VIL
Condition
VIH
Condition
VIL
Condition
Tr
Condition
Tstg
Condition
Tf
Condition
min
10
100
2
2
Ratings
46
100
46
7
2
1
2.5 (Without Heatsink)
+150
−40 to +150
Ratings
typ
5
VS=44V
24
VS=44V, IDSS=250µA
ID=1A, VS=14V
VDSS=100V, VS=44V
ID=1A
VIH=2.4V, VS=44V
VIL=0.4V, VS=44V
ID=1A
VDSS=100V
VDSS=100V
ID=1A
0.5
VS=24V, ID=0.8A
0.7
VS=24V, ID=0.8A
0.1
VS=24V, ID=0.8A
Units
V
V
V
V
V
A
W
°C
°C
Units
max
7.5
mA
44 V
V
0.85
V
4
mA
1.2
V
40 µA
−0.8
mA
V
0.8
V
0.8
µs
36 SDK03M
1 page  
2-Phase Stepper Motor Unipolar Driver ICs (2-Phase/1-2 Phase Excitation)
SDK03M
sDetermining the chopper frequency
Determining TOFF
SDK03M is self-excited choppers. The chopping OFF time TOFF
is fixed by r3/C1 and r4/C2 connected to terminal Td.
TOFF can be calculated using the following formula:
22
TOFF≅−r3 • C1rn (1−
=−r4 • C2rn (1− )
Vb Vb
The circuit constants and the TOFF value shown below are rec-
ommended.
TOFF = 12µs at r3=47kΩ, C1=500pF, Vb=5V
Fig. 6 Chopper frequency vs. Motor coil resistance
60
15
50
40
20
r3
C1
=
r4
C2
=
47kΩ
500pF
30
20
VCC =24V
VCC =36V
TOFF =12µs
25 RS =1Ω
30
Lm
Rm
=1~3ms
35
40
10
0
0 2 4 6 8 10 12 14 16
Motor coil resistance Rm (Ω)
sChopper frequency vs. Supply voltage
sChopper frequency vs. Output current
50
40
30
Motor : 23LM-C202
IO = 0.8A at VCC=24V
20 RS=1Ω
10
0
0 10 20 30 40 50
VCC (V)
50
40
30 Motor : 23LM-C202
VCC=24V
RS=1Ω
20
10
0
0 0.2 0.4 0.6 0.8 1.0
IO (A)
40 SDK03M
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet SDK03M.PDF ] | |
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