LB11988D Datasheet, PDF (3/8 Pages) Sanyo Semicon Device – Fan Motor Driver

LB11988D
Pd max - Ta
2.4
Independent IC
2.0
1.6
1.2
1.2
0.8
0.4
0
-30
-10
10
30
50
70 75
90
Ambient Temperature, Ta- °C ILB01792
Truth Table and Control Function
Source → Sink
V→W
1
W→V
U→W
2
W→U
U→V
3
V→U
W→V
4
V→W
Hall Input
Note: “H” in the FR column represents a voltage
FR
U
V
W
of 8V or more. “L” represents a voltage of
H
4V or less. (At VCC=12V)
H
H
L
L
Note: “H” under the Hall Input columns
represents a state in which “+” has a
H
H
L
L
potential which is higher by 0.01V or more
L
than that of the “-“ phase inputs. Conversely
H
H
L
H
“L” represents a state in which “+” has a
L
potential which is lower by 0.01V or more
H
L
L
H
than that of the “-” phase inputs.
L
Note: Since a 180° energized system is used as
W→U
5
U→W
H
L
H
H
L
a drive system, other phases than the sink and
source are not OFF.
V→U
6
U→V
H
L
H
L
L
No.A0433-3/8