Opto-Isolated Outputs
Conditions: T
A
=25
°
C
Output-drivers
sink
2 x ULN2803 (ME-5810A)
+ 2 x ULN2803 (ME-5002)
source 2 x ISO1H811G (ME-5810A)
+ 2 x ISO1H811G (ME-5002)
External supply
U
ext
15…30 V
U
Lmax
U
ext
For further specifications see chapter sink driver resp. source
driver
Sink Driver (UDN2803)
Measured
Quantity
Test Criterion
MIN Type MAX Unit
I
OUT
=I
C
(output
current)
per channel
50
mA
See also characteristics curves in picture 23
I
CEX
(output
leckage current)
U
CE
=50 V, T
A
=25
°
C
U
CE
=50 V, T
A
=85
°
C
50
100
μ
A
U
CE(SAT)(
(collector
emitter saturation
voltage)
I
OUT
=350 mA
I
OUT
=200 mA
I
OUT
=100 mA
1.3
1.1
0.9
1.6
1.3
1.1
V
I
R
(clamp diode
reverse current)
U
R
=50 V, T
A
=25
°
C
U
R
=50 V, T
A
=85
°
C
50
100
μ
A
U
F
(clamp diode
forward voltage)
I
F
=350 mA
2.0
V
t
on
(switch-on
time)
R
L
=125
Ω
,
U
OUT
=50
V,
C
L
=15
pFina
0.1 1
μ
s
t
off
(switch-off
time)
R
L
=125
Ω
, U
OUT
=50 V,
C
L
=15 pF
0.2 1
μ
s
Output current
The maximum current per output (I
C
) depends of the saturation
voltage U
CE
and is limited by the power dissipation of the sum of
the channels to P
tot
=1
W per chip:
P
TOT
=P
0
+…+P
7
≤
1
W (bei 70
°
C)
