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LB11683H Datasheet(PDF) 5 Page - Sanyo Semicon Device

Part No. LB11683H
Description  Three-Phase Sensorless Motor Driver
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Manufacturer  SANYO [Sanyo Semicon Device]
Direct Link  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LB11683H Datasheet(HTML) 5 Page - Sanyo Semicon Device

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LB11683H
No. A0954-5/7
Pin Functions
Pin
No.
Symbol
Description
Pin Voltage
Equivalent Circuit
1
UOUT
28
VOUT
27
WOUT
3-phase motor driver output
3
RF
Minimum potential of 3-phase motor driver
output transistor.
Constant current control is made through
detection of this voltage. The current limiter
also functions by detecting this potential.
1
27
20
µA
28
30k
3.9k
3.9k
30k
3
10k
21
20
19
VCC
22
VCC
Power supply
8 to 13.8V
26
MCOM
Motor coil neutral point input pin.
The coil voltage waveform is detected with
reference to this voltage.
21
UIN
20
VIN
19
WIN
Coil waveform detection comparator input pin.
This pin is connected to each phase output
through the internal 10k
Ω resistor.
21
20
19
200
27
28
1
200
26
200
VCC
18
C1
17
C2
Triangular wave generating capacitor
connection pin.
This triangular wave performs soft-switching of
the coil output waveforms.
18
17
1k
VREG
1/2VREG-VF
VCC
2S
15
µA15µA5µA
16
CX
In the VCO circuit, the operation frequency
range and minimum operation frequency are
determined by means of the capacitor value
connected this pin and ground.
16
300
VREG
VCC
100
µA
15
VCOIN
VCO circuit voltage input pin.
The PCOUT pin voltage is input via CR filter.
15
50k
VREG
VCC
50
µA
50
µA
10k
1.75V
Continued on next page.


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