Electrical characteristics ULN2064B, ULN2066B, ULN2068B, ULN2074B
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4 Electrical characteristics
Note: Input voltage is with reference to the substrate (no connection to any other pins) for the
ULN2074B reference is ground for all other types.
Note: 1 Input current may be limited by maximum allowable input voltage.
Table 3. Electrical characteristics (T
A
= 25 °C unless otherwise specified).
Symbol Parameter Test condition Min. Typ. Max. Unit
I
CEX
Output leakage current
(Figure 5)
V
CE
= 50V, T
A
= 25°C 100
µA
V
CE
= 50V, T
A
= 70°C 500
V
CE(SUS)
Collector-emitter sustaining
voltage (Figure 4)
I
C
= 100mA, V
I
= 0.4V 35 V
V
CE(SAT)
Collector-emitter saturation
voltage (Figure 5)
I
C
= 500mA, I
B
= 325µA 1.1
V
I
C
= 750mA, I
B
= 935µA 1.2
I
C
= 1A, I
B
= 1.25mA 1.3
I
C
= 1.25A, I
B
= 2mA 1.4
I
I(ON)
Input current (Figure 6)
for ULN2064B and ULN2074B
V
I
= 2.4V
V
I
= 3.75V
1.4
3.3
4.3
9.6
mA
for ULN2066B,
V
I
= 5V
V
I
= 12V
0.6
1.7
1.8
5.2
for ULN2068B,
V
I
= 2.75V
V
I
= 3.75V
0.55
1.0
V
I(ON)
Input voltage (Figure 7)
V
CE
= 2V, I
C
= 1A
ULN2064B, ULN2074B,
ULN2066B
V
CE
= 2V, I
C
= 1.5A
ULN2064B, ULN2074B,
ULN2066B
ULN2068B
2
6.5
2.5
10
2.75
V
I
S
Supply current (Figure 10)
for ULN2068B, V
I
= 2.75V,
I
C
= 500mA
6mA
t
PLH
Turn-on delay time 0.5 V
I
to 0.5V
O
1µs
t
PHL
Turn-off delay time 0.5 V
I
to 0.5V
O
1.5 µs
I
R
Clamp diode leakage current
(Figure 8)
For ULN2064B - ULN2066B -
ULN2068B, V
R
= 50V
T
A
= 25°C
T
A
= 70°C
50
100
µA
V
F
Clamp diode forward voltage
(Figure 9)
For ULN2064B - ULN2066B -
ULN2068B
I
F
= 1A
I
F
= 1.5A
1.75
2
V
