LH1529AB/AAC/AACTR
LH1529BB/BAC/BACTR
Telecom Switch – 1 Form A
Solid State Relay
FEATURES
• Solid State Relay and Optocoupler in
One Package
• Surface Mount Package
• l/O Isolation, 5300 V
RMS
• LH1529A, CTR Min.=33%
• LH1529B, CTR Min.=100%
• Flammability; UL94,VØ
• Optocoupler
– Bidirectional Current Detection
• Solid-state Relay
– See LH1540 Data Sheet
– Typical
R
ON
20
Ω
– Load Voltage 350 V
– Load Current 120 mA
– Current Limit Protection
AGENCY APPROVALS
• UL – File No. E52744
• BSI/BABT Cert. No. 7980
• FIMKO Approval
APPLICATIONS
• General Telecom Switching
– On/off Hook Control
– Dial Pulse
– Ring Current Detection
– Loop Current Sensing
• See Appnote 56
DESCRIPTION
The LH1529A and LH1529B Telecom switches consist
of an optically coupled solid state relay (SSR) and a
bidirectional input optocoupler. The SSR is ideal for per-
forming switchhook and dial-pulse switching while the
optocoupler performs ring detection and loop current
sensing functions. Both the SSR and optocoupler pro-
vide 5300 V
RMS
of input to output isolation.
The SSR is integrated on a monolithic receptor die using
high voltage technology. The optocoupler provides bidi-
rectional current sensing via two antiparallel GaAs infra-
red emitting diodes. The opto channel provides a
minimum CTR of 33% at 6.0 mA.
4°
typ.
.050
(1.27)
typ.
Package Dimensions in Inches (mm)
DIP
pin one ID
4
.268 (6.81)
.255 (6.48)
5
6
7
8
3
2
1
S
8
S
S'
S'
7
6
5
.390 (9.91)
.379 (9.63)
.045 (1.14)
.030 (0.76)
4° typ.
.150 (3.81)
.130 (3.30)
.050 (1.27)
.022 (.56)
.018 (.46)
.035 (.89)
.020 (.51)
.100 (2.54) typ.
.031 (0.79)
1
2
3
4
.300 (7.62)
typ.
10°
3°–9°
.012 (.30)
.008 (.20)
.250 (6.35)
.230 (5.84)
.130 (3.30)
.110 (2.79)
SMD
Pin one I.D.
.268 (6.81)
.255 (6.48)
.390 (9.91)
.379 (9.63)
.031 (.79)
typ.
.150 (3.81)
.130 (3.30)
.395 (10.03)
.375 (9.52)
.312 (7.80)
.298 (7.52)
.045 (1.14)
.030 (0.78)
Radius
3
°
to 7
°
.008 (.25)
.004 (.10) .040 (1.02)
.020 (.51)
.100 (2.54)
typ.
10°
.315
(8.00)
typ.
.010
(2.54)
typ.
Part Identification
Part Number
LH1529AB
LH1529AAC
LH1529AACTR
LH1529BB
LH1529BAC
LH1529BACTR
Description
8 pin DIP, Tubes
8-pin SMD, Tubes
8-pin SMD, Tape and Reel
2001 Infineon Technologies Corp. • Optoelectronics Division • San Jose, CA
www.infineon.com/opto • 1-888-Infineon (1-888-463-4636)
3–126
March 26, 2000-17
Recommended Operating Conditions
150
I
FON
=
5 mA to 20 mA
Absolute Maximum Ratings,
T
A
=25
°
C (except where noted)
Stresses in excess of the absolute Maximum Ratings can cause permanent
damage to the device. These are absolute stress ratings only. Functional opera-
tion 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.
LOAD CURRENT (mA)
120
90
60
30
0
–40
I
FON
= 2 mA
I
FON
= 3 mA
I
FON
= 4 mA
–20
0
20
40
60
80
AMBIENT TEMPERATURE (°C)
Package
Ambient Temperature Range,
T
A
...................................... –40 to +85
°
C
Storage Temperature Range,
T
stg
.................................. –40 to +150
°
C
Soldering Temperature (t=10 s max.) ......................................... 260
°
C
Isolation Test Voltage (for 1.0 s) ........................................... 5300 V
RMS
Isolation Resistance
V
IO
=500 V,
T
A
=25
°
C
..................................................................... ≥
10
12
Ω
V
IO
=500 V,
T
A
=100
°
C
.................................................................. ≥
10
11
Ω
SSR
LED Continuous Forward Current,
I
F
........................................... 50 mA
LED Reverse Voltage (
V
R
≤
10
µ
A) ................................................. 5.0 V
DC or Peak AC Load Voltage (
V
L
≤
50
µ
A) .................................... 350 V
Continuous DC Load Current.................................................... 120 mA
Total Power Dissipation,
P
tot
....................................................600 mW
Optocoupler
LED Continuous Forward Current,
I
F
........................................... 50 mA
LED Reverse Voltage (
V
R
≤
10
µ
A) ................................................. 5.0 V
Collector to Emitter Breakdown Voltage, BV
CEO
............................ 30 V
Phototransistor Power Dissipation,
P
tot
.................................... 150 mW
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
SSR
LED Forward Current for Switch Turn-on
LED Forward Current for Switch Turn-off
LED Forward Voltage
ON-Resistance, AC/DC, Pins 4 (
±)
to 6 (
±)
Current Limit
Off-state Leakage Current
Output Capacitance
Pin 7 to Pin 8
Input/Output Capacitance
Turn-on Time
Turn-off Time
Optocoupler
LED Forward Voltage
Saturation Voltage
Dark Current Leakage
Trickle Current Leakage
DC Current Transfer Ratio
LH1529A
LH1529B
LH1529A
LH1529B
LH1529A
LH1529B
LH1529A
LH1529B
—
—
—
Symbol
Min.
—
0.2
1.15
12
230
170
—
—
—
—
—
—
Typ.
0.7
0.6
1.26
20
260
210
0.02
—
55
10
1.3
2.0
1.3
0.6
0.6
Max.
2.0
—
1.45
25
370
250
200
1.0
—
—
—
3.0
2.5
3.0
2.5
1.5
0.5
500
1.0
—
V
V
nA
µA
%
ms
pF
ms
nA
µ
A
pF
Unit
mA
mA
V
Ω
mA
Test Condition
I
Fon
I
Foff
V
F
R
ON
I
limit
I
L
=100 mA, t=10 ms
V
L
=
±
300 V
I
F
=10 mA
I
F
=5.0 mA,
I
L
=
±
50 mA
I
F
=5.0 mA, t=5.0 ms,
V
L
=
±
6.0 V
I
F
=0 mA,
V
L
=
±
100 V
I
F
=0 mA,
V
L
=
±
350 V
I
F
=0 mA,
V
L
=1 V
I
F
=0 mA,
V
L
=50 V
V
ISO
=1.0 V
I
F
=5.0 mA,
I
L
=50 mA
I
F
=5.0 mA,
I
L
=50 mA
C
ISO
t
on
t
off
V
F
V
CEsat
I
CEO
I
CEO
CTR
0.9
—
—
—
33
100
1.2
0.7
—
—
100
165
I
F
=10 mA
I
F
=16 mA,
I
C
=2.0 mA
I
F
=0 mA,
V
CE
=5.0 V
I
F
=5.0
µA,
V
CE
=5.0 V
I
F
=6.0 mA,
V
CE
=0.5 V
2001 Infineon Technologies Corp. • Optoelectronics Division • San Jose, CA
www.infineon.com/opto • 1-888-Infineon (1-888-463-4636)
3–127
LH1529AB/AAC/AACTR/BB/BAC/BACTR
March 26, 2000-17
Typical Performance Characteristics
Figure 1. LED Voltage vs. Temperature
1.6
LED FORWARD CURRENT FOR SWITCH
TURN-ON (%) NORMALIZED TO 25
°C
Figure 4. LED Current for Switch Turn-off vs. Temperature
100
I
L
= 100 mA
80
60
40
20
0
–20
–40
–60
–40
–20
0
20
40
60
80
LED FORWARD VOLTAGE (V)
1.5
I
F
= 50 mA
1.4
1.3
1.2
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
I
F
= 20 mA
AMBIENT TEMPERATURE (°C)
AMBIENT TEMPERATURE (°C)
Figure 2. Current Limit vs. Temperature
40
I
F
= 5 mA
t = 5 ms
V
L
= SEE ELEC. CHAR.
Figure 5. ON-Resistance vs. Temperature
50
CHANGE IN ON-RESISTANCE (%)
NORMALIZED TO 25°C
40
30
20
10
0
–10
–20
–30
–40
–40
–20
0
20
40
60
80
I
L
= 50 mA
CHANGE IN CURRENT LIMIT (%)
NORMALIZED TO 25
°C
30
20
10
0
–10
–20
–30
–40
–40
–20
0
20
40
60
80
AMBIENT TEMPERATURE (°C)
AMBIENT TEMPERATURE (°C)
Figure 3. Switch Capacitance vs. Applied Voltage
80
70
CAPACITANCE (pF)
60
50
40
30
20
10
0
0
20
40
60
80
100
I
F
= 0 mA
T
A
= 25°C
f = 1 MHz
Figure 6. Insertion Loss vs. Frequency
0.30
0.25
INSERTION LOSS (dB)
R
L
= 600
Ω
0.20
0.15
0.10
0.05
0
10
2
10
3
10
4
10
5
APPLIED VOLTAGE (V)
FREQUENCY (Hz)
2001 Infineon Technologies Corp. • Optoelectronics Division • San Jose, CA
www.infineon.com/opto • 1-888-Infineon (1-888-463-4636)
3–128
LH1529AB/AAC/AACTR/BB/BAC/BACTR
March 26, 2000-17
Figure 7. Leakage Current vs. Applied Voltage at Elevated
Temperatures
3.0
OFF-STATE LEAKAGE CURRENT (nA)
Figure 9. Switch Breakdown Voltage vs. Temperature
8
6
4
2
0
–2
–4
–6
–8
–40
–20
0
20
40
60
2.5
85
°C
2.0
1.5
70
°C
1.0
0.5
0
0
50
100
150
200
250
300
350
400
50
°C
CHANGE IN BREAKDOWN VOLTAGE (%)
NORMALIZED TO 25
°C
80
LOAD VOLTAGE (V)
AMBIENT TEMPERATURE (°C)
Figure 8. Output Isolation
100
80
ISOLATION (dB)
V
P
= 10 V
R
L
= 50
Ω
Figure 10. Leakage Current vs. Applied Voltage
10000
I
F
=0 mA
T
A
=25
o
C
60
40
LEAKAGE (pA)
1000
100
20
0
10
2
10
10
3
10
4
10
5
10
6
10
7
0
50
100
150
200
250
300
350
400
LOAD VOLTAGE (V)
FREQUENCY (Hz)
2001 Infineon Technologies Corp. • Optoelectronics Division • San Jose, CA
www.infineon.com/opto • 1-888-Infineon (1-888-463-4636)
3–129
LH1529AB/AAC/AACTR/BB/BAC/BACTR
March 26, 2000-17
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