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参数资料
| 型号： | LB1943 |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSH DC MOTOR CONTROLLER, 1.6 A, PSIP10 |
| 封装： | SIP-10 |
| 文件页数： | 2/5页 |
| 文件大小： | 67K |
| 代理商： | LB1943 |
No. 5806-2/5
LB1943
Note: Items marked with an asterisk (*) are design target values, and are not tested.
Input levels: VH: Over 4.2 V
VM: 2.0 to 3.0 V
VL: Under 1.0 V
IN1 and IN2 go to 2.5 V when left open.
LB1943 operation is equivalent to that of the LB1641.
Pin Assignment
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Input low-level voltage
VINL
0
1
V
Input high-level voltage
VINH
4.2
6.0
V
Input mid-level voltage
VINM
2
3
V
Input impedance
ZIN
75
k
Current drain
ICC
5.5
10.0
mA
VOUT1
RL = 60 , VC = 2.5 V
4.4
4.95
5.4
V
Output voltage
VIN1 = 2.5 V, VIN2 = 0 V
VOUT2
RL = 60 , VC = 2.5 V
4.4
4.95
5.4
V
VIN1 = 2.5 V, VIN2 = 5.0 V
Output leakage current
IOL
RL = ∞
0.01
1.0
mA
Saturation voltage (upper)
V (sat)11
VCC = 12V, IOUT = 300 mA
1.9
2.2
V
V (sat)12
VCC = 12V, IOUT = 500 mA
1.9
2.3
V
Saturation voltage (lower)
V (sat)21
VCC = 12V, IOUT = 300 mA
0.25
0.5
V
V (sat)22
VCC = 12V, IOUT = 500 mA
0.4
0.65
V
Reference power supply
VREF
6.0
6.35
6.8
V
Reference voltage load characteristics
VREF/IREF
IREF = 0 to –2.0 mA
0.05
0.1
V/mA
Control-to-output gain
VOUT/VC, VC = 2.5 V, RL = 60
1.5
1.9
2.4
×
TSD operating temperature
TSTD
*
150
180
°C
-25
0
0.4
0.6
0.8
1.0
1.2
1.4
0
25
50
75
100
Pd max – Ta
Allowable
power
dissipation,
Pd
max
–
W
Ambient temperature, Ta –
°C
0.6
Tj = 125
°C
Truth Table
Input
Output voltage
Operation
IN1
IN2
OUT1
OUT2
H
L
FULL
Forward (reverse) operation
M
H
L
VC × 2
Forward (reverse) operation
L
H
L
VC × 2
Forward (reverse) operation
H
M
OFF
Braking
M
OFF
Braking
L
M
OFF
Braking
H
L
FULL
L
Reverse (forward) operation
M
L
VC × 2
L
Reverse (forward) operation
L
VC × 2
L
Reverse (forward) operation
Electrical Characteristics at Ta = 25°C, VCC = 12 V
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