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参数资料
| 型号： | LB8684CL |
| 元件分类： | 运动控制电子 |
| 英文描述： | VOICE COIL MOTOR CONTROLLER, QCC12 |
| 封装： | 2.80 X 2.80 MM, ECSP-12 |
| 文件页数： | 3/5页 |
| 文件大小： | 67K |
| 代理商： | LB8684CL |
LB8684CL
No.0697-3/5
Pin Assignment
CHSEL
ENA
IN
NC
FC
OUT3
OUT2
RFG
RSE
OUT1
Top View
LB8684CL
V
CC
GND
1
2
3
9
8
12
11
10
4
5
6
7
Block Diagram
CPU
-
+
VCC
1μF
0.001μF to 0.1μF
ENA
0.2V
OUT1
OUT3
OUT2
Iris
Shutter
GND
FC
RFG
RF
RSE
CHSEL
IN
Thermal protection
circuit
Logic
block
Reference
voltage
Constant current
control amplifier
[Constant current formula] IOUT = 0.2 ÷ RF Example : If IO is 100mA, RF will be 2Ω.
Usage Notes : The set current is determined, as described by the above equation, by the resistor RF inserted between the
RFG pin and ground.
Truth Table
Input
Output
ENA
CHSEL
IN
OUT1
OUT2
OUT3
Notes
Low
×
Standby
Low
High
Low
Forward
Low
High
Low
High
Shutter
Reverse
Low
Low
High
Forward
High
High
Low
Aperture
Reverse
Note: "
" indicates the output off state. (high-impedance)
Pd max – Ta
0
400
450
200
300
100
500
– 30
85
60
30
090
234
Ambient temperature, Ta – °C
Allowable
power
dissipation,
Pd
max
–
m
W
Pd max – Ta
Specified circuit board : 20.0
×10.0×0.8mm3
paper-phenol board
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