lb1973m ON Semiconductor, lb1973m Datasheet - Page 3

• Manufacturer Part Number: lb1973m
• Description: Bi-cmos Lsi Two-channel H-bridge Driver
• Manufacturer: ON Semiconductor

Pin Assignment
Truth Table
Block Diagram
High
High
Low
Low
IN1
-
-
High
High
Low
Low
IN2
-
-
V CC
IN1
IN2
IN3
IN4
Input
High
High
Low
Low
IN3
100K
100K
100K
100K
30K
30K
30K
30K
-
-
V CC
IN4
IN3
IN1
IN2
High
High
Low
Low
1
2
3
4
5
IN4
Rev. 0 | Page 3 of 5 | www.onsemi.com
-
-
The logic output for the first high-level input is produced.
OUT1
LB1973M
High
Low
Off
-
(Top View)
OUT2
High
Low
Off
-
Output
10
9
8
7
6
OUT1
OUT2
OUT4
OUT3
GND
OUT3
High
Low
Off
-
OUT4
High
Low
Off
-
GND
OUT2
OUT4
OUT1
OUT3
Standby mode
Channel 1, forward
Channel 1, reverse
Channel 2, forward
Channel 2, reverse
Mode