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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： | 8/9页 |
| 文件大小： | 114K |
| 代理商： | LB8120V |
LB8120V
No.8079-8/9
Block Diagram
ILB01724
4CH
maximum-
value
circuit
Dead-time
setting
M
VREF
drive
1.2V
VCD
voltage
detection
Reset
circuit
Each
device
RST
CT
CR
oscillation
cir
c
uit
V
CC
Clamp
&
Offset
Error
ampl
if
ie
r
Drive
changeover
Absolute-value
amplifier
Drive
changeover
Absolute-value
amplifier
Drive
changeover
Drive
changeover
Absolute-value
amplifier
Absolute-value
amplifier
DNB
IN4
IN3
PGND
VOUT
OUT
1
+
OUT
1
--
OUT
2
--
OUT
2
+
OUT
4
--
OUT
4
+
OUT
3
--
OUT
3
+
ASPREF
FOCUS
TR
AC
KIN
G
SLED
SPINDLE
PWM
OSC
PWR
BO4
BI4
BI1
B
O1
BI2
B
O2
BI3
B
O3
TSD
Internal
3.9V
system
(hatched
block)
Battery
check
comparator
UPBCD
VCD
Microcomputer
DSP
ASP
UPASP
UPBASP
MUTE
OF
F
START
7.7k
7.7k
IN2
IN1
7.7k
7.7k
1.
2V
Ref
e
rence
volt
age
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