LB1975_08 SANYO [Sanyo Semicon Device], LB1975_08 Datasheet - Page 4

• Manufacturer Part Number: LB1975_08
• Description: For Fan Motor 3-phase Brushless Motor Driver
• Manufacturer: SANYO [Sanyo Semicon Device]

Pin Assignment
Truth Table
1
2
3
4
5
6
F/R
Forward rotation Low
Reverse rotation High
V COUT
V CC V REG
IN1
H
H
H
28
L
L
L
1
V CTL OSC (NC) V CREF IN1 −
27
2
Input
IN2
H
L
L
H
H
L
S/S
26
3
0V to 1.5V
V CC − 1.5V to V CC
IN3
F/R
25
H
H
H
L
L
L
5
100
(NC) OUT1 OUT2 OUT3 (NC)
80
60
40
24
5
0
Forward/reverse control
V CTL 1
23
6
Duty -- V CTL characteristics
IN1 +
LB1975
22
F/R
7
H
H
H
H
H
H
L
L
L
L
L
L
Control voltage, V CTL -- V
LB1975
IN2 − IN2 +
21
8
FG output
20
9
FG1
FG2
IN3 −
(NC) GND3 GND2
19
10
IN3 +
V CTL 2
OUT2 → OUT1
OUT1 → OUT2
OUT3 → OUT1
OUT1 → OUT3
OUT3 → OUT2
OUT2 → OUT3
OUT1 → OUT2
OUT2 → OUT1
OUT1 → OUT3
OUT3 → OUT1
OUT2 → OUT3
OUT3 → OUT2
18
11
Source → Sink
Output
FG1
17
12
FG2 GND1
RF
16
13
V M
15
14
FG1
Top view
H
H
H
L
L
L
FG output
No.6087-4/10
FG2
H
H
H
L
L
L