LH1523BB/BAC/BACTR
Dual 1 Form B
Solid State Relay
FEATURES
• Dual Channel (LH1511)
• l/O Isolation, 3750 V
RMS
• Typical
R
ON
10
Ω
• Load Voltage 200 V
• Load Current 200 mA
• High Surge Capability
• Linear, AC/DC Operation
• Clean Bounce Free Switching
• Low Power Consumption
• SMD Lead Available on Tape and Reel
• Flammability; UL94,VØ
AGENCY APPROVALS
• UL – File No. E52744
• CSA – Certification 093751
• BSI
APPLICATIONS
• General Telecom Switching
– On/off Hook Control
– Ring Delay
– Dial Pulse
– Ground Start
– Ground Fault Protection
• Instrumentation
• Industrial Controls
DESCRIPTION
The LH1523 dual 1 Form B relays are SPST normally
closed switches that can replace electromechanical
relays in many applications. The relays are constructed
as a mult.-chip hybrid device. Actuation control is via an
Infrared LED. The output switch is a combination of a pho-
todiode array with MOSFET switches and control circuity.
Package Dimensions in Inches (mm)
DIP
.380 (9.65)
.100 (2.54)
6-.031 (6-.80) Dia.
.100 (2.54)
.250 (6.35)
.360 (9.14) .250 (6.35)
.300 (7.62)
.018 (.46)
.318 (8.08)
S1
8
S1'
7
S2
6
S2'
5
S1
S1'
.300 (7.62)
.300 (7.62)
.130 (3.30)
.285 (7.24) Typ.
S2
S2'
1
2
3
4
.360 (9.14) Typ.
SMD
.380 (9.65)
.100 (2.54)
.100 (2.54)
.250 (6.35)
.375 (9.53)
.075 (1.90)
.018 (.46)
.318 (8.08)
.300 (7.62)
.175 (4.45)
.130 (3.30)
.327 (8.31)
.059 (1.50)
.025 (.64) Typ.
.010 (.25) Typ.
Part Identification
Part Number
LH1523BB
LH1523BAC
LH1523BACTR
Description
8-pin DIP, Tubes
8-pin SMD, Gullwing, Tubes
8-pin SMD, Gullwing, Tape and Reel
2001 Infineon Technologies Corp. • Optoelectronics Division • San Jose, CA
www.infineon.com/opto • 1-888-Infineon (1-888-463-4636)
3–102
March 30, 2000-14
Recommended Operating Conditions
150
5.0 mA
Load Current (mA)
120
90
50
30
0
–40
Absolute Maximum Ratings,
T
A
=25
°
C
Stresses in excess of the absolute Maximum Ratings can cause permanent
damage to the device. These are absolute stress ratings only. Functional oper-
ation of the device is not implied at these or any other conditions in excess of
those given in the operational sections of this document. Exposure to absolute
Maximum Ratings for extended periods of time can adversely affect reliability.
–20
0
20
40
60
Ambient Temperature (°C)
80
Both relays on with equal load currents.
For a single relay operation, refer to LH1511 Recommended
Operating Conditions graph.
Ambient Temperature Range (
T
A
) .................................... –40 to +85
°
C
Storage Temperature Range (
T
stg
) ................................. –40 to +125
°
C
Pin Soldering Temperature (t=10 s max) (
T
S
) ............................. 260
°
C
Input/Output Isolation Voltage
(t=1.0 s,
I
ISO
=10
µ
A max) (
V
ISO
) ....................................... 3750 V
RMS
Pole-to-Pole Isolation Voltage (S1 to S2)*
(dry air, dust free, at sea level) ................................................. 1600 V
LED Continuous Forward Current (
I
F
) .........................................50 mA
LED Reverse Voltage (
I
R
≤
10
µ
A) (
V
R
)........................................... 5.0 V
DC or Peak AC Load Voltage (
I
L
≤
50
µ
A) (
V
L
) .............................. 200 V
Continuous DC Load Current (
I
L
)
One Pole Operating.................................................................200 mA
Two Poles Operating ...............................................................140 mA
Peak Load Current (t=100 ms) (single shot) (
I
P
) ......................400 mA
Output Power Dissipation (continuous) (
P
DISS
)........................ 600 mW
* Breakdown occurs between the output pins external to the package.
Electrical Characteristics,
T
A
=25
°
C
Minimum and maximum values are testing requirements. Typical values are characteristics of the device and are the result of
engineering evaluations. Typical values are for information only and are not part of the testing requirements.
Parameter
Input
LED Forward Current, Switch Turn-on
LED Forward Current, Switch Turn-off
LED Forward Voltage
Output
ON-resistance
OFF-resistance
Off-state Leakage Current
Output Capacitance
Transfer
Input/Output Capacitance
Turn-on Time
Turn-off Time
I
Fon
I
Foff
V
F
0.2
—
1.15
0.9
1.0
1.22
—
2.0
1.45
mA
mA
V
Ω
G
Ω
µ
A
I
L
=±200 mA, t=10 ms
V
L
±150 V
I
F
=10 mA
I
F
=0 mA,
I
L
=50 mA
I
F
=5.00 mA,
V
L
=±100 V
I
F
=5.0 mA,
V
L
=±200 V
I
F
=5.0 mA,
V
L
=50 V
pF
ms
ms
V
ISO
=1.0 V
I
F
=10 mA,
I
L
=50 mA
I
F
=10 mA,
I
L
=50 mA
Sym.
Min.
Typ.
Max.
Units
Test Conditions
R
ON
R
OFF
—
—
—
0.1
—
—
10
1.4
0.07
50
15
—
1.0
—
C
ISO
t
on
t
off
—
—
—
3.0
1.0
1.2
—
3.0
3.0
2001 Infineon Technologies Corp. • Optoelectronics Division • San Jose, CA
www.infineon.com/opto • 1-888-Infineon (1-888-463-4636)
3–103
LH1523BB/BAC/BACTR
March 30, 2000-14
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