ꢀꢁ ꢂꢃ ꢄ ꢄ ꢅ ꢆꢇ ꢀ ꢁꢂ ꢃ ꢄ ꢄꢃ ꢆ ꢇ ꢀꢁ ꢂꢃ ꢄ ꢄ ꢈ ꢆꢇ ꢀꢁ ꢂꢃ ꢄ ꢄ ꢉ ꢆꢇ ꢀꢁ ꢊ ꢃ ꢄ ꢄ ꢈꢆ ꢇ ꢀ ꢁꢊ ꢃꢄ ꢄꢉ ꢆ
ꢋꢌ ꢍꢋ ꢎꢏꢐ ꢁꢑꢆꢍ ꢒ ꢋꢌ ꢍꢋ ꢎꢓ ꢀꢔ ꢔ ꢒꢂ ꢑ
ꢕꢆꢔ ꢁꢌ ꢂꢍ ꢑꢐ ꢂ ꢑ ꢔꢆꢂꢖ ꢌꢖꢑꢐꢔ ꢆ ꢔꢔ ꢆꢗ
The ULN2001A is obsolete
and is no longer supplied.
SLRS027G − DECEMBER 1976 − REVISED JUNE 2004
TYPICAL CHARACTERISTICS
COLLECTOR-EMITTER
SATURATION VOLTAGE
vs
COLLECTOR-EMITTER
SATURATION VOLTAGE
vs
TOTAL COLLECTOR CURRENT
(TWO DARLINGTONS IN PARALLEL)
COLLECTOR CURRENT
(ONE DARLINGTON)
2.5
2
2.5
2
T
A
= 25°C
T
A
= 25°C
I = 250 µA
I
I = 350 µA
I
I = 250 µA
I
I = 350 µA
I
I = 500 µA
I
1.5
1
1.5
1
I = 500 µA
I
0.5
0
0.5
0
0
100 200 300 400 500 600 700 800
0
100 200 300 400 500 600 700 800
I
− Total Collector Current − mA
I
C
− Collector Current − mA
C(tot)
Figure 12
Figure 11
COLLECTOR CURRENT
vs
INPUT CURRENT
500
R
T
A
= 10 Ω
= 25°C
L
450
400
350
300
250
200
150
100
50
V
S
= 10 V
V
S
= 8 V
0
0
25
50
75
100 125 150 175 200
I − Input Current − µA
I
Figure 13
9
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TI [ TEXAS INSTRUMENTS ]
