LB11852FV Datasheet, PDF (4/12 Pages) Sanyo Semicon Device – Monolithic Digital IC For Fan Motor Single-phase Full-wave Pre-driver with Speed Control Function

Truth table
Lock protection CPWM = H
IN-
IN+
CT
H
L
L
L
H
H
L
H
L
H
Speed control CT = L
EO
CPWM
IN-
H
L
H
L
H
H
L
L
LB11852FV
OUT1P
L
OFF
OFF
OFF
OUT1N
L
H
L
H
OUT2P
OFF
L
OFF
OFF
OUT2N
H
L
H
L
FG
L
OFF
L
OFF
IN+
OUT1P
OUT1N
OUT2P
OUT2N
L
L
L
OFF
H
H
OFF
H
L
L
L
OFF
L
OFF
H
H
OFF
H
OFF
L
Pin Assignment
Mode
OUT1 → 2 drive
OUT2 → 1 drive
Lock protection
Mode
OUT1 → 2 drive
OUT2 → 1 drive
Regeneration mode
OUT2P 1
OUT2N 2
VCC 3
SENCE 4
C5
CTL 6
RC 7
SOFT 8
CPWM 9
FG 10
20 OUT1P
19 OUT1N
18 SGND
17 5VREG
16 EO
15 EI
14 LIM
13 CT
12 IN+
11 IN-
Top view
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