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参数资料
| 型号： | LB8120V |
| 元件分类： | 运动控制电子 |
| 英文描述： | DISK DRIVE MOTOR CONTROLLER, 0.8 A, PDSO44 |
| 封装： | 0.275 INCH, SSOP-44 |
| 文件页数： | 6/9页 |
| 文件大小： | 114K |
| 代理商： | LB8120V |
LB8120V
No.8079-6/9
Continued from preceding page.
Pin No.
Pin Name
Equivalent Circuit Diagram
Functions
41
DNB
PNPTr base drive output pin for step-down
PWM to generate power supply for H-bridge
driver to drive the actuator
43
UPBASP
Base drive output pin of external NPNTr for the
step-up circuit to set the step-up voltage
externally
35
CT
Reset capacitor connection pin.
(The reset time is about 50ms with 0.1
F)
36
RST
Open collector output pin of the reset circuit
37, 38
32, 30
BO1, BO2
BO3, BO4
Open collector output pin of battery check
comparator
39, 40
33, 31
BI1, BI2
BI3, BI4
Input pin of battery check comparator.
Compared with internal 1.2V
42
VCC
Supply voltage pin
23
24
START
OFF
LB8120 start input (started with L pulse).
Power-on lock function is not provided.
OFF with L pulse
Continued on next page.
VCC
UPBCD
UPBASP
20
A
UPBASP : 3mA
UPBCD : 3mA
VCC
DNB
Constant current
(max 3mA)
changing according
to the input
RST
2.5
A
VCC
200
CT
1.25
A
3
A
20
A
VCC
200
BI1
BI2
BI3
BI4
100k
BO1
BO2
BO3
BO4
1.2V
VCD
200
20k
START
OFF
30k
200
VCC
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