LB11826_08 Datasheet, PDF (4/11 Pages) Sanyo Semicon Device – For OA Products Three-Phase Brushless Motor Driver

Package Dimensions
unit : mm (typ)
3174C
28
15
LB11826
Pd max – Ta
24
Infinitely large heat sink
20
R1.7
1
14
20.0
26.75
(1.81)
1.78
0.6
1.0
SANYO : DIP28H(500mil)
16
12
8
4 _{With no heat sink}
3
0
– 20
0
20
40
60
80
100
Ambient temperature, Ta – °C
Pin Assignment
OUT1 F/R IN3+ IN3- IN2+ IN2- IN1+ IN1- GND1 S/S FGIN+ FGIN- FGOUT LD
28
27
26
25
24
23
22
21
20
19
18
17
16
15
LB11826
1
2
3
4
5
6
7
8
9
OUT2 OUT3 GND2 VCC VM VREG PWM CSD XI
10
11
12
13
14
XO INTOUT INTIN POUT DOUT
Top view
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
The relation between the clock frequency, fCLK, and the FG frequency, fFG, is given by the following equation.
fFG (servo) = fCLK/<number of counts>
= fCLK/512
No.7109-4/11