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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： | 13/17页 |
| 文件大小： | 279K |
| 代理商： | L9904 |
5/17
L9904
VTXH
Input high level
3.5
V
VTXh
Input hysteresis voltage 2)
1
V
RTX
Internal pull up resistance to
internal VCC 3)
VTX = 0
102040
k
ISO interface, receiver output (RX)
VRXL
Output voltage high stage
TX = HIGH; IRX = 0; VK = VVS
4.5
5.5
V
RRX
Internal pull up resistance
to internal VCC 3)
TX = HIGH;
VRX = 0V
510
20
k
RRXON
ON resistance to ground
TX = LOW;
IRX = 1mA
40
90
tRXH
Output high delay time
Fig. 1
0.5
s
tRXL
Output low delay time
0.5
s
ISO interface, K-line (K)
VKL
Input low level
-20V
0.45
VVS
VKH
Input high level
0.55
VVS
VKh
Input hysteresis voltage 2)
0.025
VVS
0.8V
IKH
Input current
VTX = HIGH
-5
25
A
RKON
ON resistance to ground
VTX = LOW; IK=10mA
10
30
IKSC
Short circuit current
VTX = LOW
40
130
mA
fK
Transmission frequency
60
100
kHz
2. not tested in production: guaranteed by design and verified in characterization
3. Internal VVCC is 4.5V ... 5.5V
4. see page 18 for calculation of programmable cross conduction protection time
tKr
Rise time
VVS = 13.5V; Fig. 1
External loads at K-line:
RK = 510
pull up
to VVS
CK = 2.2nF to GND
26
s
tKf
Fall time
26
s
tKH
Switch high delay time
4
17
s
tKL
Switch low delay time
4
17
s
tSH
Short circuit detection time
VVS = 13.5V;
TX = LOW
VK > 0.55 VVS
10
40
s
Charge pump
VCP
Charge pump voltage
VVS = 8V
VVS = 13.5V
VVS = 20V
VVS+
7V
VVS+
10V
VVS+
10V
VVS+
14V
VVS+
14V
VVS
+14V
Table 5. Electrical Characteristcs (continued)
(8V < VVS < 20V, VEN = HIGH, -40°C
≤ TJ ≤ 150°C, unless otherwise specified. The voltages are refered to
GND and currents are assumed positive, when current flows into the pin
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
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