LB11850VA Datasheet, PDF (4/14 Pages) Sanyo Semicon Device – Monolithic Digital IC For Fan Motor Single-Phase Full-Wave Pre-Driver with Speed Control Function

Pin Assignment
LB11850VA
OUT2P 1
OUT2N 2
VCC 3
SENCE 4
CVI 5
CVO 6
CTL 7
RC 8
SOFT 9
CPWM 10
FG 11
RD 12
24 OUT1P
23 OUT1N
22 SGND
21 5VREG
20 C
LB11850VA
19 EO
18 EI
17 LIM
16 CT
15 IN+
14 HB
13 IN-
Top view
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
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
Mode
OUT1→2 drive
OUT2→1 drive
Lock protection
IN+
OUT1P
OUT1N
OUT2P
OUT2N
Mode
L
L
L
OFF
H
OUT1→2 drive
H
OFF
H
L
L
OUT2→1 drive
L
OFF
L
OFF
H
Regeneration mode
H
OFF
H
OFF
L
No.A0609-4/14