参数资料
型号: L9904
厂商: STMICROELECTRONICS
元件分类: 运动控制电子
英文描述: BRUSH DC MOTOR CONTROLLER, PDSO20
封装: SO-20
文件页数: 16/17页
文件大小: 279K
代理商: L9904
L9904
8/17
Figure 4. Timing of the ISO-interface
Figure 5. Timing of the drivers for the external MOS regarding the inputs DIR and PWM
t
TX
V
0.3
V VCC
0.7
V VCC
0.3
V VCC
t
V
K
t
t KL
t KH
t Kr
t Kf
I K > I KSC
80 %
20 %
0.55
V VS
0.45
V VS
V
RX
t RXL
t RXH
0.3
VVCC
0.7
VVCC
ON
OFF
open dr ain
tr ansis tor at
K-pin
t SH
50%
t
80%
20%
t
GHXLH
t
GHXr
t
GHXf
t
GHXHL
PWM
or
DIR
GHX
GLX
t
GLXHL
t
GLXf
t
GLXLH
t
GLXr
80%
20%
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