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ꢁꢂꢃ ꢄ ꢄ ꢅ ꢆꢇ ꢀ ꢁ ꢂꢃ ꢄ ꢄ ꢃ ꢆꢇ ꢀꢁ ꢂꢃ ꢄ ꢄ ꢈ ꢆꢇ ꢀꢁ ꢂ ꢃ ꢄ ꢄꢉ ꢆ ꢇ ꢀꢁ ꢊ ꢃ ꢄ ꢄ ꢈꢆ ꢇ ꢀꢁ ꢊ ꢃ ꢄ ꢄ ꢉ ꢆ
ꢌꢍ ꢋꢎꢏ ꢐꢁꢑꢆ ꢍꢒ ꢋꢌ ꢍ ꢋꢎꢓ ꢀꢔꢔ ꢒꢂꢑ
The ULN2001A is obsolete
and is no longer supplied.
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ꢂ
ꢍ
ꢑꢐ
ꢂ
ꢑꢔ
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ꢂ
ꢖꢌ
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ꢑꢐ
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SLRS027G − DECEMBER 1976 − REVISED JUNE 2004
THERMAL INFORMATION
N PACKAGE
MAXIMUM COLLECTOR CURRENT
vs
D PACKAGE
MAXIMUM COLLECTOR CURRENT
vs
DUTY CYCLE
DUTY CYCLE
600
500
400
300
200
100
0
600
500
400
N = 1
N = 3
N = 2
N = 1
N = 4
N = 4
N = 3
300
200
100
0
N = 5
N = 6
N = 2
N = 7
N = 6
N = 7
N = 5
T
A
= 85°C
T
A
= 70°C
N = Number of Outputs
Conducting Simultaneously
N = Number of Outputs
Conducting Simultaneously
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 15
10
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TI [ TEXAS INSTRUMENTS ]
