NORMALIZED CURRENT TRANSFER
RATIO vs. AMBIENT TEMPERATURE
1.2
1.0
0.8
0.6
0.4
0.2
0.0
–50
Normalized to 1.0
at TA = 25 ˚C,
IF = 5 mA, VCE = 5 V
–25
0
25 50 75 100
Ambient Temperature TA (˚C)
SWITCHING TIME vs.
LOAD RESISTANCE
100
IC = 2 mA,
VCC = 10 V,
CTR = 220 %
tf
tr
10
td
ts
1
0.1
10
100
1k
10 k
Load Resistance RL (Ω)
FREQUENCY RESPONSE
IC = 1 mA,
VCC = 5 V
0
–5
–10
–15
–20
0.5 1 2
RL = 1 kΩ
100 Ω
300 Ω
5 10 20 50 100 200 500
Frequency f (kHz)
Remark The graphs indicate nominal characteristics.
PS2571-1,-4,PS2571L-1,-4
CURRENT TRANSFER RATIO vs.
FORWARD CURRENT
300
VCE = 5 V
250
200
150
100
50
0
0.01
0.1
1
10
100
Forward Current IF (mA)
SWITCHING TIME vs.
LOAD RESISTANCE
1 000
IF = 5 mA,
tf
VCC = 5 V,
CTR = 220 %
100
ts
10
tr
1
td
0.1
10
100
1k
10 k
Load Resistance RL (Ω)
100 k
LONG TERM CTR DEGRADATION
1.2
IF = 5 mA (TYP.)
1.0
0.8
TA = 25 ˚C
0.6
TA = 60 ˚C
0.4
0.2
0
102
103
104
105
Time (Hr)
Data Sheet P13857EJ2V0DS00
9