LB11983(2002) データシートの表示（PDF） - SANYO -> Panasonic
部品番号
コンポーネント説明
メーカー
LB11983
(Rev.:2002)
(Rev.:2002)
SANYO -> Panasonic
LB11983 Datasheet PDF : 8 Pages
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LB11983
Continued from preceding page.
Pin No. Symbol Pin voltage
Description
3
MCOM
Middle point input pin of motor coil. The coil
waveform is detected with reference to this
voltage.
5
UIN
6
VIN
7
WIN
Input pin of the coil waveform detection
comparator. Connected to each phase output with
a built-in resistor of 10 kΩ
Equivalent circuit
VCC
20 1 2
5
6
200Ω
7
200Ω
3
200Ω
8
C1
VCC
8
9
VREG
Triangular wave generating capacitor connection
pin. This triangsular wave causes soft switching of
1kΩ
coil output waveform.
9
C2
2S
1/2VREG-VF
10
CX
The operating frequency range and minimum
operating frequency are determined from the
value of capacitor connected to this pin and GND
in the VCO circuit.
11
VCOIN
VCO circuit voltage input pin
Inputs the PCOUT pin voltage through CR
filtering.
VCC
VREG
300Ω
10
VCC
VREG
11
50kΩ
Continued on next page.
No. 7117-4/8
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