IXYS Integrated Circuits Division's LCA701 is a 100V,
1.5A, 0.3, 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.
LCA701 is designed to replace electromechanical
relays, and offers fast, reliable, bounce-free operation,
as well as the superior reliability associated with solid
state devices.
Approvals
•
UL Recognized Component: File # E76270
•
CSA Certified Component: Certificate 1175739
•
EN 60950-1: 2006 Certified Component:
TUV Certificate B 10 05 49410 006
Ordering Information
Features
•
100V
P
Blocking Voltage
•
Operational Temperature Range: -40ºC to +85ºC
•
3750V
rms
Input/Output Isolation
•
Low Drive Power Requirements
(TTL/CMOS Compatible)
•
No Moving Parts
•
Arc-Free With No Snubbing Circuits
•
No EMI/RFI Generation
•
Small 6-Pin Package
•
Machine Insertable, Wave Solderable
•
Surface Mount and Tape & Reel Version Available
Applications
•
Instrumentation
•
Multiplexers
•
Data Acquisition
•
Electronic Switching
•
I/O Subsystems
•
Meters (Watt-Hour, Water, Gas)
•
Medical Equipment—Patient/Equipment Isolation
•
Security
•
Aerospace
•
Industrial Controls
Part #
LCA701
LCA701S
LCA701STR
Description
6 Pin DIP (50/Tube)
6 Pin Surface Mount (50/Tube)
6 Pin Surface Mount (1000/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 (Form A) Devices
Form-A
I
F
90%
I
LOAD
10%
t
on
t
off
Pb
DS-LCA701-R03
e
3
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Absolute Maximum Ratings @ 25˚C
Parameter
Blocking Voltage
Reverse Input Voltage
Input Control Current
Peak (10ms)
Input Power Dissipation
1
Total Power Dissipation
2
ESD Rating, Human Body Model
Isolation Voltage, Input to Output (60 Seconds)
Operational Temperature
Storage Temperature
1
2
LCA701
Ratings
100
5
50
1
150
800
8
3750
-40 to +85
-40 to +125
Units
V
P
V
mA
A
mW
mW
kV
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 / °C
Derate linearly 6.67 mW / °C
Electrical Characteristics @ 25˚C
Parameter
Conditions
Symbol
Min
Typ
Max
Output Characteristics
Load Current, Continuous
1.5
AC/DC Configuration
1
-
I
L
-
-
DC-Only Configuration
2.5
Peak Load Current
t=10ms
I
LPK
-
-
±5
2
On-Resistance
AC/DC Configuration
I
F
=5mA, I
L
=1.5A
-
0.2
0.3
R
ON
DC-Only Configuration
I
F
=5mA, I
L
=2.5A
-
0.06
0.09
Off-State Leakage Current
V
L
=100V
P
I
LEAK
-
-
1
Switching Speeds
t
on
-
1.95
4
Turn-On
I
F
=5mA, V
L
=10V
Turn-Off
t
off
-
0.45
1
Output Capacitance
V
L
=0V, f=1MHz
-
-
200
-
Input Characteristics
Input Control Current to Activate
3
I
L
=1A
I
F
-
0.14
2
Input Control Current to Deactivate
-
I
F
0.1
-
-
Input Voltage Drop
I
F
=10mA
V
F
0.9
1.2
1.4
Reverse Input Current
V
R
=5V
I
R
-
-
10
Common Characteristics
Input to Output Capacitance
-
C
I/O
-
3
-
1
Load current derates linearly from 1.5A @ 25ºC to 0.75A @ 85ºC.
2
Measurement taken within one second of turn-on time.
3
For applications requiring high temperature operation (T > 60ºC) a LED current of 5mA is recommended.
A
Units
A
rms
/ A
DC
A
DC
A
P
A
ms
pF
mA
mA
V
A
pF
2
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PERFORMANCE DATA @25ºC (Unless Otherwise Noted)*
Typical LED Forward Voltage Drop
(N=50, I
F
=5mA)
Typical Turn-On Time
(N=50, I
F
=5mA, I
L
=75mA)
LCA701
30
25
Device Count (N)
25
20
15
10
5
0
20
Typical Turn-Off Time
(N=50, I
F
=5mA, I
L
=75mA)
Device Count (N)
Device Count (N)
1.65
1.80
1.95 2.10 2.25 2.40
Turn-On Time (ms)
2.55
15
20
15
10
5
0
1.220 1.225 1.230 1.235 1.240 1.245 1.250
LED Forward Voltage (V)
10
5
0
0.410 0.425 0.440 0.455 0.470 0.485 0.500
Turn-Off Time (ms)
25
20
15
10
5
0
Typical I
F
for Switch Operation
(N=50, I
L
=1A)
25
20
15
10
5
0
Typical On-Resistance Distribution
(N=50, I
F
=2mA, I
L
=1A)
35
30
Device Count (N)
25
20
15
10
5
0
Typical Blocking Voltage Distribution
(N=50, I
F
=0mA)
Device Count (N)
Device Count (N)
0.105
0.120 0.135 0.150 0.165
LED Current (mA)
0.180
0.190 0.195 0.200 0.205 0.210 0.215 0.220
On-Resistance ( )
105
106
107 108 109 110
Blocking Voltage (V
P
)
111
LED Forward Voltage
vs. LED Forward Current
50
LED Forward Current (mA)
Turn-On Time (ms)
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
Typical Turn-On Time
vs. LED Forward Current
(I
L
=75mA)
0.45
0.44
Turn-Off Time (ms)
0.43
0.42
0.41
0.40
0.39
0.38
Typical Turn-Off Time
vs. LED Forward Current
(I
L
=75mA)
40
30
20
10
0
1.10 1.15 1.20 1.25 1.30 1.35 1.40 1.45 1.50 1.55
LED Forward Voltage (V)
10
20
30
LED Current (mA)
40
50
0
10
20
30
LED Current (mA)
40
50
Typical LED Forward Voltage Drop
vs. Temperature
1.6
LED Forward Voltage (V)
Turn-On Time (ms)
9
8
7
6
5
4
3
2
1
0
-40
Typical Turn-On Time
vs. Temperature
(I
L
=75mA)
Turn-Off Time (ms)
I
F
=2mA
I
F
=5mA
I
F
=10mA
0.55
0.50
0.45
0.40
0.35
0.30
0.25
0.20
Typical Turn-Off Time
vs. Temperature
(I
L
=75mA)
1.5
1.4
1.3
1.2
1.1
1.0
-40
I
F
=50mA
I
F
=20mA
I
F
=10mA
I
F
=5mA
I
F
=2mA
-20
0
20
40
60
Temperature (ºC)
80
100
I
F
=2mA
I
F
=5mA
I
F
=10mA
-20
0
20
40
60
Temperature (ºC)
80
100
0.15
-40
-20
0
20
40
60
Temperature (ºC)
80
100
*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.
R03
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PERFORMANCE DATA @25ºC (Unless Otherwise Noted)*
Typical I
F
for Switch Operation
vs. Temperature
(I
L
=1A)
LCA701
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
-40
0.50
0.45
On-Resistance ( )
0.40
0.35
0.30
0.25
0.20
0.15
Typical On-Resistance vs. Temperature
AC/DC Configuration
(I
F
=5mA, I
L
=1A)
On-Resistance ( )
0.14
0.12
0.10
0.08
0.06
0.04
0.02
Typical On-Resistance vs. Temperature
DC-Only Configuration
(I
F
=5mA, I
L
=1A)
LED Current (mA)
-20
0
20
40
60
Temperature (ºC)
80
100
0.10
-40
-20
0
20
40
60
Temperature (ºC)
80
100
-40
-20
0
20
40
60
Temperature (ºC)
80
100
0.4
0.3
Load Voltage (V)
0.2
0.1
0.0
-0.1
-0.2
-0.3
-0.4
-1.5
Typical Load Current
vs. Load Voltage
(I
F
=2mA)
1.6
1.4
1.2
1.0
0.8
0.6
Maximum Load Current
vs. Temperature
(I
F
=5mA)
10
Normalized Change (%)
Blocking Voltage
Change (%) Normalized to 25ºC
Load Current (A)
5
0
-5
-10
-40
-20
0
20
40
60
Temperature (ºC)
80
100
-1.0
-0.5
0.0
0.5
Load Current (mA)
1.0
1.5
-40
-20
0
20
40
60
Temperature (ºC)
80
100
600
Leakage Current (nA)
500
400
300
200
100
0
-40
Leakage Current vs. Temperature
Measured Across Pins 4&6
(V
L
=100V)
Output Capacitance (pF)
250
200
150
100
50
0
Output Capacitance vs. Load Voltage
(I
F
=0mA, f=1MHz)
Energy Rating Curve
9
8
Load Current (A)
7
6
5
4
3
2
-20
0
20
40
60
Temperature (ºC)
80
100
0
20
40
60
Load Voltage (V)
80
100
1
10 s 100 s 1ms 10ms 100ms
Time
1s
10s
100s
*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.
4
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Manufacturing Information
Moisture Sensitivity
LCA701
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
LCA701 / LCA701S
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
LCA701 / LCA701S
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.
1. Introduction
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