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部品番号
コンポーネント説明
L9903 データシートの表示(PDF) - STMicroelectronics
部品番号
コンポーネント説明
メーカー
L9903
MOTOR BRIDGE CONTROLLER
STMicroelectronics
L9903 Datasheet PDF : 17 Pages
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L9903
Figure 4. Timing of the ISO-interface
VTX
0.3
•
V
VC C
0.7
•
V
VCC
0.3
•
V
VCC
t
VK
tKL
tKH
tKf
tKr
0.55
•
V
V S
0.45
•
V
VS
80%
20%
IK > I
KSC
t
V
R X
tRXL
t
RXH
0.7
•
V
VC C
0.3
•
V
VCC
open drain
transistor at
K-pin
ON
OFF
t
t
SH
Figure 5. Timing of the drivers for the external MOS regarding the inputs DIR and PWM
PWM
or
DIR
50%
t
GHXLH
t
GHXr
t
GHXHL
t
GHXf
t
80%
GHX
20%
t
t
GLXHL GLXf
80%
t
GLXLH
t
GLXr
t
GLX
20%
t
8/17
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