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LB11872H Datasheet(PDF) 8 Page - Sanyo Semicon Device

Part # LB11872H
Description  Three-Phase Brushless Motor Driver for Polygonal Mirror Motors
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Manufacturer  SANYO [Sanyo Semicon Device]
Direct Link  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LB11872H Datasheet(HTML) 8 Page - Sanyo Semicon Device

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LB11872H
Continued from preceding page.
Pin No.
Pin
Function
Equivalent circuit
Clock input.
Low: 0 to 1.0 V
High: 2.0 V to VREG
This pin goes to the high level when open.
16
CLK
VREG
33k
5k
16
30k
Phase locked state detection output
This output goes to the on state when the PLL locked
state is detected.
This is an open-collector output.
17
LD
VREG
17
Phase comparator output (PLL output)
This pin output the phase error as a pulse signal with
varying duty.The output current increases as the duty
becomes smaller.
18
PD
VREG
18
Error amplifier in put pin.
19
EI
VREG
300
19
Error amplifier output pin.
The output current increases when this output is high.
20
EO
VREG
20
300
40k
Continued on next page.


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