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LH1546AT/AAB/AABTR
1 Form A Solid State Relay
FEATURES * Current Limit Protection * l/O Isolation, 5300 VRMS * Typical RON 20 * Load Voltage 350 V * Load Current 120 mA * High Surge Capability * Linear, AC/DC Operation * Clean Bounce Free Switching * Low Power Consumption * High Reliability Monolithic Receptor * SMD lead available on tape and reel * Equivalent to CP Clare LCA110 AGENCY APPROVALS * UL - File No. E52744 * BSI/BABT Cert. No. 7980 * FIMKO Approval * CSA - Certification 093751 APPLICATIONS * General Telecom Switching - On/off Hook Control - Ring Delay - Dial Pulse - Ground Start - Ground Fault Protection * Instrumentation * Industrial Controls * See Application Note 56 DESCRIPTION The LH1546 is robust, ideal for telecom and ground fault applications. It is a SPST normally open switch (1 Form A) that replaces electromechanical relays in many applications. It is constructed using a GaAIAs LED for actuation control and an integrated monolithic die for the switch output. The die, fabricated in a high-voltage dielectrically isolated technology, is comprised of a photodiode array, switch control circuitry and MOSFET switches. In addition, it employs current-limiting circuitry which meets FCC 68.302 and other regulatory voltage surge requirements when overvoltage protection is provided.
Package Dimensions in Inches (mm) DIP
Pin One ID. 3 .256 (6.50) .248 (6.30) 4 5 6 2 1
S 6 DC 5 S' 4 S S'
1
2
3
.343 (8.70) .335 (8.50) .039 (1.00) Min. 4 Typ. .020 (.051) Min. .022 (0.55) .018 (0.45) .035 (0.90) .031 (0.80) .100 (2.54) Typ. .300 (7.62) Typ. .150 (3.81) .130 (3.30) 18 Typ. .014 (.35) .010 (.25) .347 (8.82) .300 (7.62) .150 (3.81) .110 (2.79)
SMD
.343 (8.71) .335 (8.51) Pin one I.D.
.256 (6.50) .248 (6.30)
.050 (1.27) typ. .052 (1.33) .048 (1.22) .150 (3.81) .130 (3.30) .0098 (.25) .0040 (.10) .040 (1.016) .020 (0.508) .395 (10.03) .375 (9.63) .300 (7.62) typ.
.039 (0.99) min.
3 to 7
18 .012 (0.31) .008 (0.20)
4 .100 (2.54) .315 (8.00) min.
Part Identification
Part Number LH1546AT LH1546AAB LH1546AABTR Description 6-pin DIP, Tubes 6-pin SMD, Tubes 6-pin SMD, Tape and Reel
Document Number: 83838 Revision 06-March-02
www.vishay.com 3-177
Recommended Operating Conditions
120 100 Load Current (mA) IFon = 5 mA 80 60 40 20 0 -40 -20 0 20 40 60 80 Ambient Temperature (C) IFon = 3 mA IFon = 2 mA
Absolute Maximum Ratings, TA=25C
Stresses in excess of the Absolute Maximum Ratings can cause permanent damage to the device. These are absolute stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess of those given in the operational sections of the data sheet. Exposure to maximum rating conditions for extended periods can adversely affect device reliability.
Ambient Temperature Range ........................................... -40 to +85C Storage Temperature Range .......................................... -40 to +150C Soldering Temperature (t=10 s max.) ......................................... 260C Isolation Test Voltage (for 1.0 s) ........................................... 5300 VRMS Isolation Resistance VIO=500 V, TA=25C ............................................................ 1012 VIO=500 V, TA=100C .......................................................... 1011 SSR Output Power Dissipation (continuous)............................ 550 mW LED Continuous Forward Current ............................................... 50 mA LED Reverse Voltage (IR10 mA) ................................................. 8.0 V DC or Peak AC Load Voltage (IL50 mA) .................................... 350 V Continuous DC Load Current at 25C Bidirectional...........................................................................120 mA Unidirectional......................................................................... 200 mA
Electrical Characteristics, TA=25C 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, ac/dc: Pin 4 () to 6 () ON-resistance, dc: Pin 4, 6 (+) to 5 (-) OFF-resistance Current Limit ac/dc Off-state Leakage Current ROFF ILMT IO RON -- -- 0.5 170 -- -- Output Capacitance, Pin 4 to 6 CO -- -- Switch Offset Transfer Input/Output Capacitance Turn-on Time Turn-off Time CISO ton toff -- -- -- 0.67 1.14 0.71 -- 3.0 3.0 pF ms ms VISO=1.0 V IF=5.0 mA, IL=50 mA IF=5.0 mA, IL=50 mA VOS -- 28 7.0 300 210 0.35 0.096 18 6.7 0.3 35 10.0 -- 250 200 1.0 -- -- -- G mA nA IF=5.0 mA, IL=50 mA IF=5.0 mA, IL=100 mA IF=0 mA, VL=100 V IF=5.0 mA, t=5.0 ms VL=6.0 V IF=0 mA, VL=100 V IF=0 mA, VL=350 V IF=0 mA, VL=1.0 V IF=0 mA, VL=50 V IF=5.0 mA IFon IFoff VF -- 0.2 1.15 1.1 1.0 1.26 2.0 -- 1.45 mA mA V IL=100 mA, t=10 ms VL350 V IF=10 mA Symbol Min. Typ. Max. Units Test Conditions
A
pF pF V
Document Number: 83838 Revision 06-March-02
www.vishay.com 3-178
Typical Performance Characteristics Figure 1. LED Voltage vs. Temperature
1.6 LED FORWARD VOLTAGE (V) 1.5 IF=50 mA 1.4 1.3 1.2 IF=1.0 mA 1.1 IF=2.0 mA 1.0 -40 IF=5.0 mA IF=10 mA -20 0 20 40 60 80 IF=20 mA
Figure 4. LED Current for Switch Turn-on vs. Temperature
200 LED Forward Current for Switch Turn-on (%), Normalized to 25C
150 IL = 100 mA 100
50
0
AMBIENT TEMPERATURE (C)
-50 -40
-20
0 20 40 60 Ambient Temperature (C)
80
Figure 2. LED Forward Current vs. LED Forward Voltage
120 100 80 60 40 20 0 0 0 .5 1 1 .5 2 LED forward Voltage (V) T = 85C T = 25C T = -40C
Figure 5. LED Dropout Voltage vs. Temperature
1 .2 6 1 .2 2 LED forward Voltage (V) 1 .1 8 1 .1 4 1 .1 1 .0 6 1 .0 2 -4 0
LED Forward Current (mA)
IL = 100 mA
-2 0
0
20
40
60
80
Temperature (C)
Figure 3. LED Reverse Current vs. LED Reverse Voltage
10
Figure 6. Load Current vs. Load Voltage
300 IF = 5 mA 250
8 LED Current (uA) Current Limit (A) T = -40C T = 25C T = 85C
200 150 100 50 0 0 1 2 3 Load Voltage (V) 4 5 T = -40C T = 25C T = 85C
6
4
2
0
0
20
40
60
80
100
Reverse LED Voltage (V) Document Number: 83838 Revision 06-March-02
www.vishay.com 3-179
Figure 7. Current Limit vs. Temperature
Change in Current Limit (%) Norm. to 25C 40
Figure 10. ON-Resistance vs. Temperature
40
Change in Ron (%), norm. to 25C IF = 5 mA VL = 6 V
30 20 10 0 -10 -20 -30 -40
30 20 10 0 -10 -20 -30 -40 -40
IF= 5 mA IL= 50 mA
-20
0
20
40
60
80
-20
0
20
40
60
80
Temperature (C )
Temperature (C)
Figure 8. Switch Breakdown Voltage vs. Load Current
60 50 Load Current (A) 40 30 20 10 0 0 100 200 300 400 500 Breakdown Voltage (V) T = -40C T = 25C T = 85C IF = 0 mA IL < 50 A
Figure 11. Variation in ON-Resistance vs. LED Current
8 ac/dc Ron Variation (%) norm. @ IF= 5mA
6 IF = 5 mA 4
2
0
-2 0 4 8 12 16 20 LED Forward current (mA)
Figure 9. Switch Offset Voltage vs. LED Current
2.5 IF = 5 mA
Figure 12. Switch Capacitance vs. Applied Voltage
50 IF = 0 mA Capacitance (pF) 40
Switch Offset Voltage (microvolt)
2.0
1.5
30
1.0
20
0.5
10
0.0 25
0
35
45
55
65
75
85
0
20
40
60
80
100
Temperature (C)
Applied Voltage (V)
Document Number: 83838 Revision 06-March-02
www.vishay.com 3-180
Figure 13. Insertion Loss vs. Frequency
0.6 0.5 Insertion Loss (dB) 0.4 0.3 0.2 0.1 0.0 RL=600 IF=5 mA
Figure 16. Switch Breakdown Voltage vs. Temperature
CHANGE IN BREAKDOWN VOLTAGE (%) NORMALIZED TO 25C 8 6 4 2 0 -2 -4 -6 -8 -10 -40 -20 0 20 40 60 80
102
103 104 Frequency (Hz)
105
AMBIENT TEMPERATURE (C)
Figure 14. Output Isolation
12 0 10 0 Isolation (dB) VP = 10 V
Figure 17. Switch Offset Voltage vs. Temperature
2.5 IF = 5 mA
Switch Offset Voltage (microvolt) 1000000
RL = 50
2.0
80 60 40
1.5
1.0
20 0 1000
0.5
100000 10000 Frequency (Hz)
0.0 25
35
45
55
65
75
85
Temperature (C)
Figure 15. Leakage Current vs. Applied Voltage at Elevated Temperatures
1000.0 IF = 0 mA 100.0
Figure 18. Turn-On Time vs. Temperature
10
Change in Turn-On Time (%) norm. to 25C
Leakage Current (nA)
T = 85C T = 70C T = 50C
6
2
10.0
-2
1.0 T = 25C 0.1 0 50 100 150 200 250 300 350 Load voltage (V)
-6 IF=5 mA IL=50 mA -10 -40 -20 0 20 40 Temperature (C) 60 80
Document Number: 83838 Revision 06-March-02
www.vishay.com 3-181
Figure 19. Turn-Off Time vs. Temperature
8 5
Figure 21. Turn-Off Time vs. LED Current
1.0 IL=50 mA 0.9 Turn-Off Time (ms) 0.8 0.7 0.6 0.5 T = 85C T = 40C 0.4 0.3 0 10 20 30 40 LED Forward Current (mA) 50 T = 25C
Change in Turn-Off Time (%) norm. to 25C
2 -1 -4 -7 -10 -40 IF=5 mA IL=50 mA
-20
0 20 40 Temperature (C)
60
80
Figure 20. Turn-On Time vs. LED Current
18 15 IL = 50 mA
Turn-on Time (ms)
12 9 6 3 0
T = -40C T = 25C T = 85C
0
10
20
30
40
50
LED Forward Current (mA)
Document Number: 83838 Revision 06-March-02
www.vishay.com 3-182

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