Datasheet

6/10
Photocouplers
LTV-355T
Part No. LTV-355T
BNC-OD-FC002/A4
5. CHARACTERISTICS CURVES
Fig.4 F orw ard Current vs. Forward
Fig.5 C urrent Transfer R atio vs. Forward
Current
Fig.6 Collector C urrent vs.
Collector-em itter Voltage
0
Ta= 75 C
50 C
25 C
0 C
-25 C
Ta= 25 C
Pc(MAX.)
5m A
2m A
1m A
Fig.3 Collector-em itter Saturation
Voltage vs. Forw ard C urrent
Ic= 0.5m A
1m A
3m A
7m A
5m A
Ta= 25 C
30m A
o
o
0
0 0.5 1.0 1.5 2.0 2.5 4.03.0 3.5
1
2
3
4
5
6
7
8
o
0
1
0.5 1.0 3.01.5 2.0 2.5
2
5
10
20
50
100
200
500
o
o
o
o
o
0
0.1 0.2 0.5 1 2 5 10
1000
2000
3000
4000
5000
0
20
40
60
80
100
1 2 3 4 5
Voltage
IF= 10m A
Forward c urrent IF (m A) Collector-em itter voltage VCE (V)
Forward voltage VF (V)
Forward c urrent IF (m A)
Forward current IF (m A)
Currentor-em itter saturation voltage
VCE(sat)
Collector current IC (m A)
Current transfer ratio CTR (%)
VCE= 2V
Ta= 25 C
Fig.1 Forw ard C urrent vs. Fig.2 Collector Pow er Dissipation vs.
Am bient Tem perature
0
Collector p ower d issip ation Pc (m W)
Am bient tem perature Ta ( C) Am bient tem perature Ta ( C)
60
0
50
100
150
200
Am bient Tem perature
o
o
50
40
30
20
10
Forward current IF(m A)
0 5025 75 100 125-55 -55 125250 50 75 100