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LB1975 Datasheet(PDF) 4 Page - Sanyo Semicon Device

Part # LB1975
Description  DC Fan Motor Driver
PDF  12 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  SANYO [Sanyo Semicon Device]
Direct Link  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LB1975 Datasheet(HTML) 4 Page - Sanyo Semicon Device

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No. 6087-4/12
LB1975
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Hysteresis width
∆VIN (S/S)
0.35
0.50
0.65
V
High-level input current
IIH (S/S)
V (S/S) = VCC
–10
0
10
µA
Low-level input current
IIL (S/S)
V (S/S) = 0 V
–280
–210
µA
[Forward/Reverse Pin]
High-level input voltage range
VIH (F/R)
VCC – 1.5
VCC
V
Low-level input voltage range
VIL (F/R)
0
1.5
V
Input open voltage
VIO (F/R)
VCC – 0.5
VCC
V
Hysteresis width
∆VIN (F/R)
0.35
0.50
0.65
V
High-level input current
IIH (F/R)
V (F/R) = VCC
–10
0
10
µA
Low-level input current
IIL (F/R)
V (F/R) = 0 V
–280
–210
µA
Continued from preceding page.
LB1975
VCOUT
VCC VREG S/S
F/R
(NC) OUT1 OUT2 OUT3 (NC) (NC) GND3 GND2
RF
VM
VCTL OSC (NC) VCREF IN1
–
IN1
+
IN2
–
IN2
+
IN3
–
IN3
+
FG1
FG2 GND1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
Top view
A11950
Pin Assignment
Truth Table
F/R
Forward rotation Low
0 V to 1.5 V
Reverse rotation High
VCC – 1.5 V to VCC
FG output
Input
Forward/reverse control
Output
FG output
IN1
IN2
IN3
F/R
Source
→ Sink
FG1
FG2
1
H
L
H
L
OUT2
→ OUT1
L
L
H
OUT1
→ OUT2
2
H
L
L
L
OUT3
→ OUT1
L
H
H
OUT1
→ OUT3
3
H
H
L
L
OUT3
→ OUT2
L
L
H
OUT2
→ OUT3
4
L
H
L
L
OUT1
→ OUT2
H
H
H
OUT2
→ OUT1
5
L
H
H
L
OUT1
→ OUT3
H
L
H
OUT3
→ OUT1
6
L
L
H
L
OUT2
→ OUT3
H
H
H
OUT3
→ OUT2
FG1
FG2



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