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参数资料
| 型号： | LB11995H |
| 元件分类： | 运动控制电子 |
| 英文描述： | DISK DRIVE MOTOR CONTROLLER, 1.3 A, PDSO28 |
| 封装： | HSOP-28 |
| 文件页数： | 7/10页 |
| 文件大小： | 107K |
| 代理商： | LB11995H |
LB11995H
No.6116-6/10
Pin Functions
Pin No.
Pin name
Pin function
Pin voltage
Equivalent circuit
26
VCC2
Source side predrive voltage
supply pin.
4V to 13.6V
25
VCC3
Constant current control amplifier
voltage supply pin.
4V to 13.6V
22
VCC1
Power supply pin for all circuits
except output transistors, source
predrive, and low current control
amplifier.
4V to 6V
14
RS
Reverse detector pin.
Forward rotation : High
Reverse rotation : Low
13
FG
1 Hall element waveform Schmitt
comparator composite output.
14
VCC1
100
μA
10k
Ω
13
20
21
UIN1
UIN2
U phase Hall element input and
reverse detector U phase Schmitt
comparator input pin.
Logic High indicates UIN1 > UIN2.
18
19
VIN1
VIN2
V phase Hall element input and
reverse detector V phase Schmitt
comparator input pin.
Logic High indicates VIN1 > VIN2.
16
17
WIN1
WIN2
W phase Hall element input and
reverse detector W phase Schmitt
comparator input pin.
Logic High indicates WIN1 > WIN2.
1.2V to
VCC1-1V
18
20
16
200
Ω
200
Ω
25
μA
VCC1
25
μA
25
μA
19
21
17
15
VH
Hall element lower side bias
voltage supply pin.
VCC1
75
μA
2k
Ω
30k
Ω
15
11
S/S
When this pin is at 0.7V or lower, or
when it is open, all circuits are
inactive.
When driving motor, set this pin to
2V or higher.
0V to VCC1
11
75k
Ω
50k
Ω
VCC1
8
SIG GND
GND pin for all circuits except
output.
6
FC
Control loop frequency
compensator pin.
Connecting a capacitor between
this pin and GND prevents closed
loop oscillation in current limiting
circuitry.
20k
Ω
5k
Ω
2k
Ω
VCC1
6
Continued on next page.
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