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L9903 数据表(PDF) 10 Page - STMicroelectronics

部件名 L9903
功能描述  MOTOR BRIDGE CONTROLLER
PDF  17 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L9903 数据表(HTML) 10 Page - STMicroelectronics

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L9903
10/17
Figure 8. Charging time of an external capacitor of 10nF connected to CP pin at VVS=8V and
VVS=13.5V
Figure 9. Application Circuit Diagram
0
123
4
time [ms]
0
5
10
15
20
25
30
voltage [V]
Charging time of a 10nF load at CP
CP for VS=13.5V
CP for VS=8V
EN
D1
µC
GND
K-Line
C1
R
R
R
R
Voltage
Regulator
VBAT
CS2
CS1
RPR
CPR
CB1
B2
C
VCC
M
VS
DIR
PWM
EN
RX
TX
CP
CB1
GH1
S1
GL1
CB2
GH2
S2
GL2
K
=
PR
VCC
=
=
ISO-Interface
VCC
GND
ST
Reference
BIAS
Charge
pump
Overvoltage
Undervoltage
PWM
R
DIR
R
RX
R
TX
R
0.5  VVS
RS2
RGL2
RGL1
RS1
RCP
REN
VCC
Timer
I KH
V S2TH
Thermal shutdown
V S1TH
DG
VCC
RDG
VSTH
fST
=
-
+
10
1
2
4
5
3
6
7
8
20
9
16
15
17
18
19
14
12
13
11



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