LB1997

No. 5978-4/9

Truth Table

Pin Assignment

Input:

H: Input 1 is higher in potential than input 2 by at least 0.2V.

L: Input 1 is lower in potential than input 2 by at least 0.2V.

1

RS

28 VH

2

FG

27 WIN1

3

BRAKE

26 WIN2

4

S/S

25 VIN1

5

NC

24 VIN2

6

NC

FRAME GND

23 UIN1

7

SIG GND

22 UIN2

FRAME GND

8

CC

21 VCC1

9

FC

20 RF

10

VCREF

19 NC

11

VC

18 VCC3

12

WOUT

17 VCC2

13

PWR GND

16 UOUT

14

NC

15 VOUT

LB1997

A11182

Top view

Hall input

Control

UV

W

Phase W –> Phase V

H

Phase V –> Phase W

L

Phase W –> Phase U

H

Phase U –> Phase W

L

Phase V –> Phase W

H

Phase W –> Phase V

L

Phase U –> Phase V

H

Phase V –> Phase U

L

Phase V –> Phase U

H

Phase U –> Phase V

L

Phase U –> Phase W

H

Phase W –> Phase U

L

1

2

3

4

5

6

H

H

H

H

H

H

H

H

H

L

L

L

L

L

L

L

L

L

Source –> Sink