Datasheet
THERMAL DATA
Symbol Parameter Value Unit
R
th j–amb
Thermal Resistance Junction-ambient Max. 55
°
C/W
ELECTRICAL CHARACTERISTICS (T
amb
= 25
o
C unless otherwise specified)
Symbol Parameter Test Conditions Min. Typ. Max. Unit Fig.
I
CEX
Output Leakage Current V
CE
= 50V
T
amb
= 70
°
C, V
CE
= 50V
T
amb
= 70
°
C
for ULN2802A
V
CE
= 50V, V
i
= 6V
for ULN2804A
V
CE
= 50V, V
i
= 1V
50
100
500
500
µ
A
µ
A
µ
A
µ
A
1a
1a
1b
1b
V
CE(sat)
Collector-emitter
Saturation Voltage
I
C
= 100mA, I
B
= 250
µ
A
I
C
= 200mA, I
B
= 350
µ
A
I
C
= 350mA, I
B
= 500
µ
A
0.9
1.1
1.3
1.1
1.3
1.6
V
V
V
2
I
i(on)
Input Current for ULN2802A V
i
= 17V
for ULN2803A V
i
= 3.85V
for ULN2804A V
i
= 5V
V
i
= 12V
for ULN2805A V
i
= 3V
0.82
0.93
0.35
1
1.5
1.25
1.35
0.5
1.45
2.4
mA
mA
mA
mA
mA
3
I
i(off)
Input Current T
amb
= 70
°
C, I
C
= 500
µ
A5065
µ
A4
V
i(on)
Input Voltage V
CE
= 2 V
for ULN2802A
I
C
= 300mA
for ULN2803A
I
C
= 200mA
I
C
= 250mA
I
C
= 300mA
for ULN2804A
I
C
= 125mA
I
C
= 200mA
I
C
= 275mA
I
C
= 350mA
for ULN2805A
I
C
= 350mA
13
2.4
2.7
3
5
6
7
8
2.4
V
V
V
V
V
V
V
V
V
5
h
FE
DC Forward Current Gain for ULN2801A
V
CE
= 2V, I
C
= 350mA 1000 – 2
C
i
Input Capacitance 15 25 pF –
t
PLH
Turn-on Delay Time 0.5 V
i
to 0.5 V
o
0.25 1
µ
s–
t
PHL
Turn-off Delay Time 0.5 V
i
to 0.5 V
o
0.25 1
µ
s–
I
R
Clamp Diode Leakage Current V
R
= 50V
T
amb
= 70
°
C, V
R
= 50V
50
100
µ
A
µ
A
6
6
V
F
Clamp Diode Forward Voltage I
F
= 350mA 1.7 2 V 7
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
V
o
Output Voltage 50 V
V
i
Input Voltage
for ULN2802A, UL2803A, ULN2804A
for ULN2805A
30
15
V
I
C
Continuous Collector Current 500 mA
I
B
Continuous Base Current 25 mA
P
tot
Power Dissipation
(one Darlington pair)
(total package)
1.0
2.25
W
T
amb
Operating Ambient Temperature Range – 20 to 85
°
C
T
stg
Storage Temperature Range – 55 to 150
°
C
Tj Junction Temperature Range – 20 to 150
°
C
ULN2801A - ULN2802A - ULN2803A - ULN2804A - ULN2805A
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