LB11920 Datasheet, PDF (4/10 Pages) Sanyo Semicon Device – Three-Phase Brushless Motor Driver for Office Equipment Applications

LB11920
Pd max — Ta
24
With an infinitely large heat sink
20
16
12
8
4 _{Without any heat sink}
3
0
–20
0
20
40
60
Ambient temperature, Ta — °C
80
100
ILB01545
Truth Table
Source
F/R = “L”
Sink IN1 IN2 IN3
1
OUT2 → OUT1
H
L
H
2
OUT3 → OUT1
H
L
L
3
OUT3 → OUT2
H
H
L
4
OUT1 → OUT2
L
H
L
5
OUT1 → OUT3
L
H
H
6
OUT2 → OUT3
L
L
H
F/R = “H”
IN1 IN2 IN3
L
H
L
L
H
H
L
L
H
H
L
H
H
L
L
H
H
L
S/S Pin
Input state
High or open
L
IC state
Stopped
Start
PWMIN Pin
Input state
High or open
L
IC state
Output off
Output on
BR Pin
Input state
High or open
L
IC state
—
Brake state
The PWMIN pin must be held at the low-level voltage when this IC is operated with a voltage applied to the TOC pin.
Pin Assignment
OUT1 NC
28 27
GND2 VM
26
25
RF GND3 IN3+ IN3– IN2+ IN2– IN1+ IN1– CSD TOC
24
23
22
21
20
19
18
17
16
15
LB11920
1
2
3
4
5
6
7
8
9
10 11 12 13 14
OUT2 OUT3 GND2 NC VM RF HP BR PWMIN F/R S/S ^VCC GND1 PWM
Top view
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