ULN2003AI
HIGH-VOLTAGE, HIGH-CURRENT
DARLINGTON TRANSISTOR ARRAY
www.ti.com
SLRS054B–JULY 2003–REVISED FEBRUARY 2005
THERMAL INFORMATION
N PACKAGE
MAXIMUM COLLECTOR CURRENT
D PACKAGE
MAXIMUM COLLECTOR CURRENT
vs
vs
DUTY CYCLE
DUTY CYCLE
600
500
400
300
200
100
0
600
500
400
300
200
100
N = 1
N = 2
N = 3
N = 1
N = 4
N = 4
N = 3
N = 7
N = 6
N = 5
N = 2
N = 7
N = 6
N = 5
T
A
= 85°C
T
A
= 70°C
N = Number of Outputs
N = Number of Outputs
Conducting Simultaneously
Conducting Simultaneously
0
0
10 20 30 40 50 60 70 80 90 100
Duty Cycle − %
0
10 20 30 40 50 60 70 80 90 100
Duty Cycle − %
Figure 14
Figure 13
8