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LB11870 Datasheet(PDF) 9 Page - ON Semiconductor

Part # LB11870
Description  Three-Phase Brushless Motor Driver
Download  14 Pages
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

LB11870 Datasheet(HTML) 9 Page - ON Semiconductor

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LB11870
No.7256-9/14
Continued from preceding page.
Pin No.
Symbol
Pin Description
Equivalent Circuit
25
FGFIL
FG filter connection.
If noise on the FG signal input is a problem,
insert a capacitor (up to about 2200pF)
between this pin and ground.
26
CSD
Sets the rotor constraint protection circuit
operating time and the initial reset pulse.
A protection operating time of about 8 seconds
can be set by insert a capacitor of about
0.068
μF between this pin and ground. If the
rotor constraint protection circuit is not used,
insert a resistor and a capacitor in parallel
between this pin and ground. (Values: about
220k
Ω and 4700pF)
27
CLD
Sets the phase lock state signal mask time.
A mask time of about 90ms can be set by
inserting a capacitor of about 0.1
μF between
this pin and ground.
Leave this pin open if masking is not required.
28
FGS
FG Schmitt output.
29
LD
Phase lock state detection output.
This output goes to the on state (low level)
when the phase is locked.
Continued on next page.
25
VREG
VREG
300
Ω
26
VREG
27
300
Ω
VREG
28
VREG
29


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