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参数资料
| 型号： | LB11945H |
| 元件分类： | 运动控制电子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, 0.8 A, PDSO30 |
| 封装： | HSOP-28/30 |
| 文件页数： | 2/8页 |
| 文件大小： | 82K |
| 代理商： | LB11945H |
LB11945H
No.7634-2/8
Recommended Operating Ranges at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Motor system supply voltage
VBB
10 to 28
V
Logic system supply voltage
VCC
3.1 to 5.25
V
Reference voltage
VREF
1.5 to 5.0
V
Electrical Characteristics at Ta
= 25°C, VBB = 24V, VCC = 5V, VREF = 5.0V
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Output block
IBB ON
I1 = 0.8V, I2 = 0.8V, ST = 2.0V
0.4
0.6
0.8
mA
IBB OFF
I1 = 3.2V, I2 = 3.2V, ST = 2.0V
0.2
mA
Output stage supply current
IBB wt
ST = 0.8V
0.2
mA
VO sat1
IO = +0.3A, Sink
0.3
0.5
V
VO sat2
IO = +0.5A, Sink
0.5
0.7
V
VO sat3
IO = -0.3A, Source
1.6
1.9
V
Output saturation voltage
VO sat 4
IO = -0.5A, Source
1.8
2.1
V
IO1 (leak)
VO = VBB, Sink
50
μA
Output leakage current
IO2 (leak)
VO = 0V, Source
-50
μA
Output transistor sustaining voltage
VSUS
L = 3.9mH, IO = 1.0A *
30
V
Logic block
ICC ON
I1 = 0.8V, I2 = 0.8V, ST = 2.0V
45
65
85
mA
ICC OFF
I1 = 3.2V, I2 = 3.2V, ST = 2.0V
7
10.0
13
mA
Logic system supply current
ICC wt
ST = 0.8V
0.2
0.4
mA
VIH
2.0
V
Input voltage
VIL
0.8
V
IIH
VIH = 2.0V
15
26
35
μA
Input current
IIL
VIL = 0.8V
6
9
13
μA
I1 = 0.8V, I2 = 0.8V, VREF = 5.1V
0.475
0.5
0.525
V
I1 = 2.0V, I2 = 0.8V, VREF = 5.1V
0.297
0.33
0.363
V
Sense voltage
VSEN
I1 = 0.8V, I2 = 2.0V, VREF = 5.1V
0.136
0.16
0.184
V
Reference current
IREF
VREF = 5.0V, I1 = 0.8V, I2 = 0.8V
17.5
25
32.5
μA
CR pin current
ICR
CR = 1.0V
-0.5
μA
Thermal shutdown temperature
TS
170
°C
Note : * Design target value. This parameter is not tested.
Absolute Maximum Ratings at Ta = 25
°C, VCC = 3.3V
Parameter
Symbol
Conditions
Ratings
Unit
Emitter output voltage
VE
VCC = 3.3V, RA1, RB1 : VCC short
0.5
V
Allowable Operating Ranges at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Motor system supply voltage
VBB
10 to 28
V
Logic system supply voltage
VCC
3.1 to 3.5
V
Reference voltage
VREF
1.5 to 3.3
V
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