PS7241-AT1, PS7241-AT5
PHOTOCOUPLER TYPICAL PERFORMANCE CURVES
(TA = 25˚C)
COLLECTOR CURRENT vs.
COLLECTOR SATURATION VOLTAGE
30
20
25 mA
10 mA
50
COLLECTOR CURRENT vs.
COLLECTOR TO EMITTER VOLTAGE
Collector Current, I
C
(mA)
Collector Current, I
C
(mA)
10
5 mA
5
40
30
mA
30
20 m A
15 m A
2
1
2 mA
20
10 mA
10
IF = 1 mA
0.5
IF = 5 mA
0.2
0.1
0
0.2
0.4
0.6
0.8
1.0
0
2
4
6
8
10
Collector Saturation Voltage, V
CE(sat),
(V)
Collector to Emitter Voltage, V
CE
(V)
NORMALIZED OUTPUT CURRENT
vs. AMBIENT TEMPERATURE
1.2
300
CURRENT TRANSFER RATIO (CTR)
vs. FORWARD CURRENT
V
CE
= 5 V
Normalized Output Current,
∆CTR
1.0
Current Transfer Ratio, CTR (%)
250
0.8
200
0.6
150
0.4
100
0.2
Normalized to 1.0
at T
A
= 25
°C
I
F
= 5 mA, V
CE
= 5 V
-50
-25
0
25
50
75
100
50
0
0.05 0.1
0.5
1
5
10
50
Ambient Temperature, T
A
(˚C)
Forward Current, I
F
(mA)
SWITCHING TIME
vs. LOAD RESISTANCE
100
50
V
CC
= 5 V
I
C
= 2 mA
t
on
1000
500
SWITCHING TIME
vs. LOAD RESISTANCE
I
F
= 5 mA
V
CC
= 5 V
T
A
= 25 °C
CTR = 100%
tf
Switching Time, t (µs)
Switching Time, t (µs)
100
50
ts
t
off
10
5
t
d
t
s
1
0.5
10
5
1
0.5
tr
td
0.1
50
100
500
1K
2K
100
500 1K
5K 10K
50K 100K
Load Resistance, R
L
(Ω)
Load Resistance, R
L
(Ω)
NEC [ NEC ]
