LB11920

No.7229-4/10

Pin Assignment

Truth Table

Source

F/R = “L”

F/R = “H”

Sink

IN1

IN2

IN3

IN1

IN2

IN3

1

OUT2

→ OUT1

H

L

H

L

H

L

2

OUT3

→OUT1

H

L

L

L

H

H

3

OUT3

→ OUT2

H

H

L

L

L

H

4

OUT1

→ OUT2

L

H

L

H

L

H

5

OUT1

→ OUT3

L

H

H

H

L

L

6

OUT2

→ OUT3

L

L

H

H

H

L

S/S pin

PWMIN pin

Input condition

Condition

Input condition

Condition

H or open

Stop

H or open

Output OFF

L

Start

L

Output O

BR pin

Input condition

Condition

H or open

-

L

Brake

The PWMIN pin must be held at the low-level voltage when this IC is operated with a voltage applied to the TOC pin.

OUT1

GND2

IN3+

IN3-

IN2+

IN2-

OUT2

OUT3

GND2

NC

VM

IN1+

IN1-

VCC

GND1

CSD

PWM

TOC

RF

GND3

HP

BR

PWMIN

F/R

S/S

VM

RF

NC

LB11920

Top view

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