SLRS027D – DECEMBER 1976 – REVISED JULY 2002
ULN2001A, ULN2002A, ULN2003A, ULN2004A, ULQ2003A, ULQ2004A,
HIGH-VOLTAGE HIGH-CURRENT DARLINGTON
The ULN2001A is obsolete
TRANSISTOR ARRAY
and is no longer supplied.
logic diagram
9
1B
1
16
COM
1C
2B
2
15
2C
3B
3
14
3C
4B
4
13
4C
5B
5
12
5C
6B
6
11
6C
7B
7
10
7C
schematics (each Darlington pair)
COM
Output C
Input B
Input B
E
7.2 kΩ
3 kΩ
3 kΩ
E
7V
Output C
10.5 kΩ
7.2 kΩ
COM
ULN2001A
COM
RB
Input B
ULN/ULQ2003A: RB = 2.7 kΩ
ULN/ULQ2004A: RB = 10.5 kΩ
ULN2002A
Output C
7.2 kΩ
3 kΩ
E
ULN2003A, ULN2004A, ULQ2003A, ULQ2004A
All resistor values shown are nominal.
2
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265