normally open (1-Form-A) solid state relay that uses
optically coupled MOSFET technology to provide
3750V
rms
of input to output isolation.
Its optically coupled outputs, which use the patented
OptoMOS architecture, are controlled by a highly
efficient GaAIAs infrared LED.
The LCA125L can be used to replace mechanical
relays and offers the superior reliability associated with
semiconductor devices. Because it has no moving
parts, it offers faster, bounce-free switching in a
compact surface mount or thru-hole package.
Features
•
Current Limiting
•
3750V
rms
Input/Output Isolation
•
Low Drive Power Requirements (TTL/CMOS
Compatible)
•
High Reliability
•
Arc-Free With No Snubbing Circuits
•
FCC Compatible
•
VDE Compatible
•
No EMI/RFI Generation
•
Small 6-Pin Package
•
Machine Insertable, Wave Solderable
•
Surface Mount Tape & Reel Version Available
Approvals
•
UL Recognized Component: File E76270
•
CSA Certified Component: Certificate 1175739
•
EN/IEC 60950-1Certified Component:
TUV Certificate: B 09 07 49410 004
Applications
•
Telecommunications
•
Telecom Switching
•
Tip/Ring Circuits
•
Modem Switching (Laptop, Notebook,
Pocket Size)
•
Hook Switch
•
Dial Pulsing
•
Ground Start
•
Ringing Injection
•
Instrumentation
•
Multiplexers
•
Data Acquisition
•
Electronic Switching
•
I/O Subsystems
•
Meters (Watt-Hour, Water, Gas)
•
Medical Equipment—Patient/Equipment Isolation
•
Security
•
Aerospace
•
Industrial Controls
Ordering Information
Part #
LCA125L
LCA125LS
LCA125LSTR
Description
6-Pin DIP (50/Tube)
6-Pin Surface Mount (50/Tube)
6-Pin Surface Mount (1,000/Reel)
Pin Configuration
AC/DC Configuration
+ Control
– Control
Do Not Use
1
2
3
6
5
4
Load
Do Not Use
Load
DC Only Configuration
+ Control
– Control
Do Not Use
1
2
3
6
5
4
+ Load
– Load
Switching Characteristics of
Normally Open Devices
Form-A
I
F
90%
Pb
DS-LCA125L-R06
e
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LOAD
t
on
10%
t
off
1
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NTEGRATED
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Absolute Maximum Ratings @ 25ºC
Parameter
Blocking Voltage
Reverse Input Voltage
Input Control Current
Peak (10ms)
Input Power Dissipation
1
Total Power Dissipation
2
Isolation Voltage, Input to Output
Operational Temperature
Storage Temperature
1
2
LCA125L
Ratings
300
5
50
1
150
800
3750
-40 to +85
-40 to +125
Units
V
P
V
mA
A
mW
mW
V
rms
°C
°C
Absolute Maximum Ratings are stress ratings. Stresses in
excess of these ratings can cause permanent damage to
the device. Functional operation of the device at conditions
beyond those indicated in the operational sections of this
data sheet is not implied.
Derate linearly 1.33 mW / ºC
Derate linearly 6.67 mW / ºC
Electrical Characteristics @ 25ºC
Parameter
Output Characteristics
Load Current, Continuous
AC/DC Configuration
DC Configuration
Load Current Limiting
On-Resistance
1
AC/DC Configuration
DC Configuration
Off-State Leakage Current
Switching Speeds
Turn-On
Turn-Off
Output Capacitance
Input Characteristics
Input Control Current to Activate
Input Control Current to Deactivate
Input Voltage Drop
Reverse Input Current
Common Characteristics
Capacitance, Input to Output
1
Conditions
Symbol
Min
Typ
Max
Units
-
-
-
I
L
=170mA
I
L
=300mA
V
L
=300V
P
I
L
I
CL
-
-
190
-
-
-
-
-
-
-
0.4
0.9
-
-
-
-
235
12
4
-
-
-
50
-
0.7
1.2
-
3
170
300
280
20
6
1
5
5
-
5
-
1.4
10
-
mA
rms
/ mA
DC
mA
DC
mA
R
ON
I
LEAK
t
on
t
off
C
OUT
I
F
I
F
V
F
I
R
C
I/O
µA
ms
ms
pF
mA
mA
V
µA
pF
I
F
= 5mA, V
L
= 10V
V
L
=50V, f=1MHz
I
L
= 170mA
-
I
F
= 5mA
V
R
= 5V
-
Measurement taken within 1 second of on-time.
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PERFORMANCE DATA @25ºC (Unless Otherwise Noted)*
35
30
Device Count (N)
Device Count (N)
25
20
15
10
5
0
1.17
1.19
1.21
1.23
1.25
LED Forward Voltage Drop (V)
LCA125L
Typical LED Forward Voltage Drop
(N=50, I
F
=5mA)
30
25
Typical Turn-On Time
(N=50, I
F
=5mA, I
L
=170mA
DC
)
35
30
Device Count (N)
25
20
15
10
5
0
Typical Turn-Off Time
(N=50, I
F
=5mA, I
L
=170mA
DC
)
20
15
10
5
0
0.23
0.32
0.41
0.50
0.59
0.68
0.77
Turn-On Time (ms)
0.06
0.10
0.14
0.18
0.22
0.26
0.30
Turn-Off Time (ms)
40
35
Device Count (N)
Typical I
F
for Switch Operation
(N=50, I
L
=170mA
DC
)
25
20
15
10
5
0
Typical I
F
for Switch Dropout
(N=50, I
L
=170mA
DC
)
35
30
Device Count (N)
25
20
15
10
5
0
Typical On-Resistance Distribution
(N=50, I
F
=5mA, I
L
=170mA
DC
)
25
20
15
10
5
0
0.73
0.88
1.03
1.18
1.33
1.48
1.63
LED Current (mA)
Device Count (N)
30
0.3
0.5
0.7
0.9
1.1
1.3
1.5
14.0
14.4
14.8
15.2
15.6
LED Current (mA)
On-Resistance ( )
Typical Blocking Voltage Distribution
(N=50)
35
30
Device Count (N)
25
20
15
10
5
0
380
384
388
392
396
400
Blocking Voltage (V
P
)
Typical LED Forward Voltage Drop
vs. Temperature
LED Forward Voltage Drop (V)
1.8
1.6
1.4
1.2
1.0
0.8
-40
-20
0
20
40
60
80
100
120
Temperature (ºC)
Turn-On Time (ms)
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0
2
Typical Turn-On Time
vs. LED Forward Current
(I
L
=170mA
DC
)
Turn-Off Time (ms)
0.16
0.15
0.14
0.13
0.12
0.11
0.10
Typical Turn-Off Time
vs. LED Forward Current
(I
L
=170mA
DC
)
I
F
=50mA
I
F
=30mA
I
F
=20mA
I
F
=10mA
I
F
=5mA
4
6
8
10
12
14
16
18
20
0
2
4
6
8
10
12
14
16
18
20
LED Forward Current (mA)
LED Forward Current (mA)
*The Performance data shown in the graphs above is typical of device performance. For guaranteed parameters not indicated in the written specifications, please contact our application
department.
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NTEGRATED
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IVISION
PERFORMANCE DATA @25ºC (Unless Otherwise Noted)*
Typical Turn-On Time
vs. Temperature
(I
L
=170mA
DC
)
Turn-Off Time (ms)
I
F
=5mA
I
F
=10mA
I
F
=20mA
LCA125L
0.6
Turn-On Time (ms)
0.5
0.4
0.3
0.2
0.1
0
-40
-20
0.30
0.25
0.20
0.15
0.10
0.05
Typical Turn-Off Time
vs. Temperature
(I
F
=5mA, I
L
=170mA
DC
)
On-Resistance ( )
60
50
40
30
20
10
0
Typical On-Resistance vs. Temperature
(I
F
=5mA, I
L
=170mA
DC
)
0
20
40
60
80
100
0
-40
-20
0
20
40
60
80
100
-40
-20
0
20
40
60
80
100
Temperature (ºC)
Temperature (ºC)
Temperature (ºC)
3.0
2.5
LED Current (mA)
Typical I
F
for Switch Operation
vs. Temperature
(I
L
=170mA
DC
)
3.0
2.5
LED Current (mA)
2.0
1.5
1.0
0.5
0
Typical I
F
for Switch Dropout
vs. Temperature
(I
L
=170mA
DC
)
200
150
Load Current (mA)
100
50
0
-50
-100
-150
Typical Load Current vs. Load Voltage
(I
F
=5mA)
2.0
1.5
1.0
0.5
0
-40
-20
0
20
40
60
80
100
Temperature (ºC)
-40
-20
0
20
40
60
80
100
-200
-2.5 -2.0 -1.5 -1.0 -0.5
0
0.5 1.0 1.5 2.0 2.5
Temperature (ºC)
Load Voltage (V)
Maximum Load Current
vs. Temperature
300
Blocking Voltage (V
P
)
Load Current (mA)
250
200
150
100
50
0
-40
-20
0
20
40
60
80
100
120
Temperature (ºC)
400
Typical Blocking Voltage
vs. Temperature
0.18
0.16
Leakage ( A)
0.14
0.12
0.10
0.08
0.06
-40
-20
0
20
40
60
80
100
-40
395
390
385
380
375
Temperature (ºC)
Typical Leakage vs. Temperature
Measured across Pins 4&6
I
F
=20mA
I
F
=10mA
I
F
=5mA
-20
0
20
40
60
80
100
Temperature (ºC)
Energy Rating Curve
1.2
1.0
Load Current (A)
0.8
0.6
0.4
0.2
0
10 s 100 s 1ms 10ms 100ms
Time
1s
10s
100s
Current (mA)
400
350
300
250
200
150
100
50
0
-40
Typical Current Limiting
vs. Temperature
(I
F
=5mA)
-20
0
20
40
60
80
100
Temperature (ºC)
*The Performance data shown in the graphs above is typical of device performance. For guaranteed parameters not indicated in the written specifications, please contact our application
department.
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IVISION
Manufacturing Information
Moisture Sensitivity
LCA125L
All plastic encapsulated semiconductor packages are susceptible to moisture ingression. IXYS Integrated
Circuits Division classified all of its plastic encapsulated devices for moisture sensitivity according to
the latest version of the joint industry standard,
IPC/JEDEC J-STD-020,
in force at the time of product
evaluation. We test all of our products to the maximum conditions set forth in the standard, and guarantee proper
operation of our devices when handled according to the limitations and information in that standard as well as to any
limitations set forth in the information or standards referenced below.
Failure to adhere to the warnings or limitations as established by the listed specifications could result in reduced
product performance, reduction of operable life, and/or reduction of overall reliability.
This product carries a
Moisture Sensitivity Level (MSL) rating
as shown below, and should be handled according
to the requirements of the latest version of the joint industry standard
IPC/JEDEC J-STD-033.
Device
LCA125L / LCA125LS
Moisture Sensitivity Level (MSL) Rating
MSL 1
ESD Sensitivity
This product is
ESD Sensitive,
and should be handled according to the industry standard
JESD-625.
Reflow Profile
This product has a maximum body temperature and time rating as shown below. All other guidelines of
J-STD-020
must be observed.
Device
LCA125L / LCA125LS
Maximum Temperature x Time
250ºC for 30 seconds
Board Wash
IXYS Integrated Circuits Division recommends the use of no-clean flux formulations. However, board washing to
remove flux residue is acceptable. Since IXYS Integrated Circuits Division employs the use of silicone coating as
an optical waveguide in many of its optically isolated products, the use of a short drying bake could be necessary
if a wash is used after solder reflow processes. Chlorine- or Fluorine-based solvents or fluxes should not be used.
Cleaning methods that employ ultrasonic energy should not be used.
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