参数资料
型号: LB11981
元件分类: 运动控制电子
英文描述: BRUSHLESS DC MOTOR CONTROLLER, 1 A, PDSO28
封装: 0.275 INCH, HSOP-28
文件页数: 6/7页
文件大小: 76K
代理商: LB11981
LB11981
No.6656-6/7
Block Diagram and Sample Application Circuit
(Note that the values of the external components depend on the motor used.)
+
--
50k
Ω
V
REG
BFGO
TEST1
Thermal
shutdown
circuit
Startup
control
circuit
T
iming
control
circuit
Switching
drive
circuit
Mask
circuit
Rotor
position
detection
circuit
TEST2
PCOUT
VCOIN
CX
FC
LKC
LA
T
PLL
560k
Ω
50k
Ω
0.47
μ
F
0.01
μ
F
0.1
μ
F
V
CO
Divide-by-8
circuit
F
LKO
INFR
V
REG
0.1
μ
F
0.5
Ω
Lock
detection
circuit
Low-voltage
cutof
fcircuit
200
Ω
GND
V
CC
R
FS
R
F
0.1
μ
F
5V
REG
Upper
saturation
prevention
circuit
W
OUT
0.022
μ
F
V
OUT
U
OUT
W
IN
V
IN
U
IN
MCOM
V
CCM
Output drive circuit
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