LB1928_08 SANYO [Sanyo Semicon Device], LB1928_08 Datasheet - Page 4

• Manufacturer Part Number: LB1928_08
• Description: For Office Automation Equipment 3-phase Brushless Motor Driver
• Manufacturer: SANYO [Sanyo Semicon Device]

Package Dimensions
unit : mm (typ)
3147C
Pin Assignment
Truth Table
Relationship between crystal oscillator frequency f OSC and FG frequency f FG is as follows.
OUT1
OUT2 OUT3
1
2
3
4
5
6
28
1
F/R
27
Source
2
f FG (servo) = f OSC / (ECL divide-by-16×count number)
OUT2→OUT1
OUT3→OUT1
OUT3→OUT2
OUT1→OUT2
OUT1→OUT3
OUT2→OUT3
GND2
IN3 +
26
3
V CC
IN3 -
25
Sink
4
= f OSC /8192
IN2 +
VM
24
5
IN1
H
H
H
L
L
L
VREG
IN2 -
23
F/R = “L”
6
IN2
H
H
L
L
H
L
LB1928
PWM
IN1 +
LB1928
22
7
IN3
H
H
H
L
L
L
CSD
IN1 -
21
8
GND1
IN1
H
H
H
L
L
L
20
XI
9
24
20
16
12
F/R = “H”
8
4
3
0
-20
S/S
XO INT OUT INT IN P OUT D OUT
19
10
Without heat sink
IN2
H
H
H
L
L
L
FG IN + FG IN - FG OUT
18
11
0
IN3
H
H
H
L
L
L
Ambient temperature, Ta -- ° C
17
12
20
Pd max -- Ta
16
13
40
LD
Top view
15
14
60
No.6197-4/11
80
100