PS2533-1,-2,-4,PS2533L-1,-2,-4
NORMALIZED CURRENT TRANSFER
RATIO vs. AMBIENT TEMPERATURE
Normalized Current Transfer Ratio CTR
CURRENT TRANSFER RATIO vs.
FORWARD CURRENT
5 000
Current Transfer Ratio CTR (%)
1.2
1.0
0.8
0.6
0.4
0.2
0.0
,,,,,,,,,,,,,,,,
,,,,,,,,,,,,,,,,
,,,,,,,,,,,,,,,,
,,,,,,,,,,,,,,,,
,,,,,,,,,,,,,,,,
,,,,,,,,,,,,,,,,
,,,,,,,,,,,,,,,,
,,,,,,,,,,,,,,,,
,,,,,,,,,,,,,,,,
Normalized to 1.0
at T
A
= 25 ˚C,
I
F
= 1 mA, V
CE
= 2 V
50
75
–50
–25
0
25
100
Ambient Temperature T
A
(˚C)
V
CE
= 2 V
Sample A
Sample B
4 000
3 000
2 000
1 000
0
0.1
0.5
1
5
10
15
Forward Current I
F
(mA)
SWITCHING TIME vs.
LOAD RESISTANCE
500
V
CC
= 10 V,
I
C
= 10 mA
5
t
r
0
Normalized Gain Gv
FREQUENCY RESPONSE
Switching Time t (
µ
s)
100
50
t
d
t
f
10
5
t
s
1
20
–5
–10
R
L
= 1 kΩ
100
Ω
10
Ω
V
CE
= 4 V, V
in
= 0.1 V
p-p
–15
–20
–25
1 kΩ
1
µ
F
V
in
47
Ω
R
L
V
out
1
10
100
50
100
200
500
1k
2k
–30
0.01
0.1
Load Resistance R
L
(Ω)
Frequency f (kHz)
LONG TERM CTR DEGRADATION
1.2
1.0
CTR (Relative Value)
0.8
0.6
0.4
0.2
0.0
10
I
F
= 1 mA,
T
A
= 25 ˚C
I
F
= 1 mA,
T
A
= 60 ˚C
10
2
10
3
10
4
10
5
10
6
Time (Hr)
Remark
The graphs indicate nominal characteristics.
9