LH1550 Datasheet, PDF (2/3 Pages) Siemens Semiconductor Group – HIGH VOLTAGE, SOLID STATE RELAY OPTOCOUPLER

Characteristics (T_A=25°C)
Description
Emitter
Forward Voltage
Reverse Current
Junction Capacitance
Dynamic Resistance
Switching Time
Detector
Output Breakdown Voltage
Output Off-State Leakage Current
Feed through Capacitance, pins 4 to 6
Symbol Min.
V_F
0.9
I_R
C_J
∆V_F/∆I_F
t_R, t_F
V_B
350
I_T(OFF)
C_T
Current Limit
Package
LED Forward Current for Turn-on
LED Forward Current for Turn-off
ON-resistance
Turn-on Time
Turn-off Time
I_LMT
150
I_FON
I_FOFF
R_ON
25
t_ON
t_OFF
Figure 1. Timing test circuit
IL
1
I_F
2
1 kΩ
6
5 NC
+
–
50 V
NC 3
4
Figure 2. Timing waveform
t_R≤1 µs
Control
Input
Switch
Output
90%
t_ON
I_F
I_L
t_R≤1 µs
10%
t_OFF
Typ. Max. Unit
Test Condition
1.25 1.4
V
1
10
µA
15
pF
6
W
1
µs
I_F=5 mA
V_R=5 V
V_F=0 V, f=1 MHz
I_F=10 mA
I_F=10 mA
380
V
.03
1.0
µA
TBD
190
270
mA
I_B=50 µA
V_T=± 100 V, I_F=0 mA
I_F=0, f=1 KHz,
V_L=4 VP-P
I_F=5 mA, t=5 ms
2.5
mA
0.2
mA
37
50
W
0.8
3.0
ms
0.04 3.0
ms
I_L=100 mA, t=10 ms
V_L=± 300 V, I_L=<5 µA
I_F=5 mA, I_L=100 mA
I_F=5 mA, V_L=+50 V
R_L=1 kΩ
Figure 3. LED forward current vs. forward voltage
120
100
85°C
80
60
25°C
40
20
0
0.6 0.8 1.0 1.2 1.4 1.6 1.8
VF- Input LED forward Voltage
Figure 4. Recommended load current vs. temperature
100
80
60
IF=1.5 mA
40
20
>4.5 mA
3.75 mA
0
-40 -20 0 20 40 60 80
Ambient temperature in °C
5–209
LH1550