absolute stress ratings only. Functional operation of the
Parameter
Ambient Operating Temperature Range
Storage Temperature Range
Pin Soldering Temperature
Input/Output Isolation Test Voltage
Pole-to-Pole Isolation Voltage*
(S1 to S2)
LED Continuous Forward Current
LED Reverse Voltage
dc or Peak ac Load Voltage
Continuous dc Load Current
One Pole Operating
Two Poles Operating
Peak Load Current
Output Power Dissipation (continuous)
extended periods of time can adversely af
LH1521
–40 to +85
–40 to +150
260
5300
1600
50
8
350
150
110
LH1523
–40 to +85
–40 to +150
260
5300
1600
50
8
200
200
140
600
600
Units
°C
°C
°C
Vrms
V
mA
V
V
mA
mA
mA
mW
Symbol Test Conditions
T
A
T
stg
T
S
V
ISO
—
I
F
V
R
V
L
I
L
—
—
t=10 s max
Vrms t=1 s
I
ISO
=10
µA
max
Dry air, dust free, at
sea level
—
I
R
≤
10
µA
I
L
≤
50
µA
—
I
P
P
DISS
t=100 ms
(single shot)
—
400
600
* Breakdown occurs between the output pins external to the package.
Recommended Operating Conditions
110
100
LOAD CURRENT (mA)
I
FOFF
=
5 mA to 20 mA
140
120
LOAD CURRENT (mA)
100
80
60
40
20
I
FOFF
= 2 mA
I
FOFF
= 3 mA
I
FOFF
= 4 mA
I
FOF
to 20
80
60
40
20
LH1521
I
FOFF
= 2 mA
I
FOFF
= 3 mA
I
FOFF
= 4 mA
LH1523
0
–40
–20
0
20
40
60
80
0
–40
–20
0
20
40
6
AMBIENT TEMPERATURE (°C)
AMBIENT TEMPERATURE (°C)
Both relays on with equal load currents. For a single relay operation,
refer to LH1501 Recommended Operating Conditions graph.
Both relays on with equal load currents. For a single
refer to LH1511 Recommended Operating Condition
6G–41
P
U
T
for Switch Turn-on
I
L
I
F
=10 mA
LED Forward Voltage
V
F
ON-resistance
R
ON
I
F
=0 mA
I
L
=50 mA
I
F
=5 mA
V
L
=±100 V
I
F
=5 mA
V
L
=±100 V
I
F
=5 mA
OFF-resistance
R
OFF
Off-state
Leakage Current
—
O
U
T
P
U
T
Output Capacitance
—
V
L
I
F
=5 mA
V
L
=1 V
I
F
=5 mA
V
L
=50 V
Pole-to-pole Capacitance
—
I
F
=0 mA
Switch Offset
—
I
F
=0 mA
Input/Output Capacitance
T
R
A
N
S
F
E
R
C
ISO
V
ISO
=1 V
Turn-off Time
t
off
I
F
=5 mA
I
L
=50 mA
I
F
=5 mA
I
L
=50 mA
Turn-on Time
t
on
Typ
Max
±
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
±
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
0.9
—
150
1.15
1.22
1.45
12
20
25
0.1
1.4
—
—
0.07
1.0
—
0.08
1.0
350
—
35
—
—
10
—
—
0.5
—
—
0.1
—
—
1.1
—
—
2.0
3.0
—
1.0
3.0
0.9
—
200
1.15
1.22
1.45
6
10
15
0.1
1.4
—
—
0.07
1.0
—
0.07
1.0
200
—
45
—
—
15
—
—
0.5
—
—
0.1
—
—
1.1
—
—
1.0*
3.0*
—
1.2*
3.0*
* I
F
=10 mA.
6G–42
LED FO
I
F
= 1 mA
1.1
1.0
–40
–20
0
I
F
= 2 mA
I
F
= 5 mA
I
F
= 10 mA
20
40
60
80
LED FO
1.2
1.00
0.95
–40
–20
0
20
40
AMBIENT TEMPERATURE (°C)
AMBIENT TEMPERATURE (°C
C. LED Current for Switch Turn-Off vs. Temperature
LED FORWARD CURRENT FOR SWITCH
TURN-OFF (%) NORMALIZED TO 25
°C
D. ON-Resistance vs. Temperature
50
100
I
L
= 100 mA
80
CHANGE IN ON-RESISTANCE (%)
NORMALIZED TO 25°C
40
LH1521,LH1523
LH1521, LH1523
LH1501, LH1511, LH1536
60
40
20
0
–20
–40
–60
–40
–20
0
20
40
60
80
30
20
10
0
–10
–20
–30
–40
–40
–20
0
20
40
AMBIENT TEMPERATURE (°C)
AMBIENT TEMPERATURE (°C
E. Switch Capacitance vs. Applied Voltage
80
70
60
I
F
= 5 mA
T
A
= 25
°C
f = 1 MHz
F. Output Isolation
100
80
ISOLATION (dB)
CAPACITANCE (pF)
50
40
30
20
10
0
0
20
A – LH1523
B – LH1521
60
40
I
F
= 10 mA
V
P
= 10 V
R
L
= 50
Ω
20
40
60
80
100
0
10
2
10
3
10
4
10
5
APPLIED VOLTAGE (V)
FREQUENCY (Hz)
6G–43
OFF-STATE
INS
0.10
0.05
0
10
2
120
80
40
0
0
50
100
150
200
LOAD VOLTAGE (V)
10
3
10
4
10
5
250
FREQUENCY (Hz)
C. Leakage Current vs. Applied Voltage @ 50°C
700
OFF-STATE LEAKAGE CURRENT (nA)
D. Leakage Current vs. Applied Voltage @ 70
700
600
500
I
F
= 20 mA
400
300
200
100
0
0
50
100
150
200
250
300
350
400
LOAD VOLTAGE (V)
I
F
= 10 mA
I
F
= 5 mA
I
F
= 2 mA
OFF-STATE LEAKAGE CURRENT (nA)
600
500
400
300
200
100
0
0
50
100
150
200
250
LOAD VOLTAGE (V)
30
E. Leakage Current vs. Applied Voltage @ 85°C
700
F. Switch Breakdown Voltage vs. Temperatur
CHANGE IN BREAKDOWN VOLTAGE (%)
NORMALIZED TO 25
°C
8
LH1521, LH1523
OFF-STATE LEAKAGE CURRENT (nA)
I
F
= 20 mA
600
500
400
I
F
= 5 mA
300
200
100
0
0
50
100
150
200
250
300
350
400
LOAD VOLTAGE (V)
I
F
= 2 mA
I
F
= 10 mA
6
4
2
0
–2
–4
–6
–8
–40
–20
0
20
40
AMBIENT TEMPERATURE (°C
6G–44
1.0
0.5
0
20
30
40
50
60
70
80
90
0
–10
–20
–30
–40
–50
–40
SWITCH O
CHANGE IN
NOR
–20
0
20
40
AMBIENT TEMPERATURE (°C)
AMBIENT TEMPERATURE
C. Turn-On Time vs. LED Current
2.5
I
L
= 50 mA
–40
°C
D. Turn-Off Time vs. LED Current
10
8
TURN-OFF TIME (ms)
TURN-ON TIME (ms)
2.0
6
1.5
25
°C
1.0
85
°C
0.5
0
10
20
30
40
50
4
2
–40
°C
25
°C
85
°C
0
0
10
20
30
LED FORWARD CURRENT (mA)
LED FORWARD CURRENT (m
6G–45
