ULN2001A, ULN2002A, ULN2003A, ULN2004A, ULQ2003A, ULQ2004A
HIGH VOLTAGE HIGH CURRENT
The ULN2001A is obsolete
DARLINGTON TRANSISTOR ARRAY
and is no longer supplied.
SLRS027G − DECEMBER 1976 − REVISED JUNE 2004
APPLICATION INFORMATION
ULN2003A
ULQ2003A
VSS
ULN2002A
V
VCC
V
1
2
3
4
5
6
7
P-MOS
Output
8
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Lamp
Test
TTL
Output
Figure 16. P-MOS to Load
ULN2004A
ULQ2004A
Figure 17. TTL to Load
ULN2003A
ULQ2003A
VDD
V
VCC
V
1
2
3
4
5
6
7
8
CMOS
Output
16
15
14
13
12
11
10
9
RP
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
TTL
Output
Figure 18. Buffer for Higher Current Loads
Figure 19. Use of Pullup Resistors
to Increase Drive Current
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
11