LB11983 데이터 시트보기 (PDF) - SANYO -> Panasonic
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LB11983 Datasheet PDF : 7 Pages
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Pin No.
12
Pin name
PCOUT
Function
VCO circuit PLL output pin.
LB11983
Equivalent circuit
VREG
VCC
12
14
GND
GND for others than the output transistor.
15
BFGO
FG output to detect motor reverse feeder voltage.
(Composition of three phases)
VREG + VF
100μA 5kΩ
VCC
VREG
15
16
FC
Frequency characteristics compensation pin.
Insertion of a capacitor between this pin and GND
stops oscillation of the current control closed loop.
17
VC
Speed control pin.
The control is a constant-current control under
current feedback from RF.
Normally, this pin is connected to VCC for use.
VREG
VCC
1kΩ
16
10kΩ 5kΩ
VCC
50μA
VREG
50μA 27kΩ
40kΩ
17
200Ω
24kΩ
No.7117-6/7
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