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LH1056
HIGH VOLTAGE, SOLID STATE RELAY OPTOCOUPLER
FEATURES * Normally Open, Single Pole Single Throw Operation * Control 350 VAC or DC Voltage * Switch 100 mA Loads * LED Control Current, 1.5 mA * Low ON-Resistance * dv/dt, >500 V/ms * Isolation Test Voltage, 3750 VACRMS * Current Limiting * Underwriters Lab File # E52744 APPLICATIONS * Telephone Switch Hook * High Voltage Test Equipment * TRIAC Driver * Motor Control * Industrial Control Systems DESCRIPTION The LH1056 is a single pole single throw (SPST), normally open (NO), solid state relay. The relay can control AC or DC loads currents up to 100 mA, with a supply voltage up to 350 V. The device is packaged in a six pin 0.3 inch dual-in line package. This package offers an insulation dielectric withstand of 7500 VACPK. The coupler consists of a AlGaAs LED that is optically coupled to a dielectrically isolated photodiode array which drives two series connected high voltage MOS transistors. The typical ON-Resistance is 30 at 25 mA and is linear up to 50 mA. The incremental resistance drops to less than 20 beyond 50 mA while reducing internal power dissipation at high load currents. There is built-in current limiting circuitry in the detector chip.
Package Dimensions in Inches (mm) Pin One ID. 2 1 3
A
1 2
6 5
S NC
.248 (6.30) .256 (6.50) 4 5 6
K 3 4
.335 (8.50) .343 (8.70) .039 (1.00) Min. 4 Typ. .018 (0.45) .022 (0.55)
NC
S'
.300 (7.62) Typ. .130 (3.30) .150 (3.81) 18 Typ. .020 (.051) Min. .031 (0.80) .035 (0.90) .100 (2.54) Typ. .010 (.25) .014 (.35) .300 (7.62) .347 (8.82) .110 (2.79) .150 (3.81)
Absolute Maximum Ratings (TA=25C) Emitter Reverse Voltage.............................................................................6.0 V Continuous Forward Current....................................................... 60 mA Peak Forward Current (1 s)............................................................ 1 A Power Dissipation .....................................................................100 mW Derate Linearly from 25C ................................................... 1.3 mW/C Detector Output Breakdown Voltage........................................................ 350 V Continuous Load Current........................................................ 100 mA Total Power Dissipation.............................................................500 mW Derate Linearly from 25C ................................................ See Figure 7 Package Isolation Test Voltage ...................................................... 3750 VACRMS Isolation Resistance VIO=500 V, TA=25C ..............................................................1012 VIO=500 V, TA=100C .............................................................1011 Power Dissipation .....................................................................500 mW Derate Linearly from 25C ................................................... 2.5 mW/C Storage Temperature Range.......................................... -40 to +150C Operating Temperature Range ........................................ -40 to +85C Junction Temperature ..................................................................100C Soldering Temperature, 2 mm from case, 10 sec........................260C
5-198
Characteristics (TA=25C)
Description Emitter Forward Voltage VF Temperature Coefficient Reverse Current Junction Capacitance Dynamic Resistance Switching Time Detector Output Breakdown Voltage Output Off-State Leakage Current Feed through Capacitance, pins 4 to 6 Current Limit Package LED Forward Current for Turn-on LED Forward Current for Turn-off ON Resistance Turn-on Time Turn-off Time IFON IFOFF RON tON tOFF 0.2 20 30 0.9 0.7 2.5 3.5 1.3 50 2.0 2.0 mA mA W ms ms VL= 7 V, IL=100 mA, t=10 ms VL= 300 V, IF=<5 A IT= 25 mA, IF=5 mA IF=10 mA, VL=+50 V RL=1 k VB IT(OFF) CT ILMT 100 350 380 .03 24 150 210 200 V nA pF mA IB=50 A VT=100 V, IF=0 mA IF=0, f=1 KHz, VL=4 VP-P IF=5 mA, VL= 7 V, t=10 ms VF VF/T IR CJ VF/IF tR, tF 1.25 -2.2 1 15 6 1 10 1.5 V mV/C
A
Symbol
Min.
Typ.
Max.
Unit
Test Condition
IF=10 mA
VR=6 V VF=0 V, f=1 MHz IF=10 mA IF=10 mA
pF W
s
Figure 1. Timing test circuit
IL 1 IF 2 NC 3 5 4 NC 6 1 k
Figure 3. Timing waveform
tR1 s Control Input IF tR1 s IL 90% 10% tOFF
+ -
50 V
Switch Output
tON
Figure 2. LED forward current vs. forward voltage forward voltage
IF - Forward Current - mA 100
Figure 4. Terminal current vs. terminal voltage terminal voltage 150 It - Terminal Current - mA Ta = 25C
Ta = 25C 10
100 50 0 -50 -100 -150 -5 -4 -3 -2 -1 0 1 2 3 Vt - Terminal Voltage - V 4 5 Ta = 70C
1
.1 1.0
1.1
1.2
1.3
1.4
VF - Forward Voltage - V
5-199
LH1056
IFth LED current in mA
Figure 5. Turn on current vs. temperature 6 5
Figure 9. Ron vs. temperature 60 40 Ron in % 20 0 -20 -40 -40 -20 0 20 40 60 Ambient Temperature in C 80 IF=6 mA IL=25mA
4 3 2 1 0 0 20 40 60 Ambient temperature in C 80
Figure 6. Load current vs. temperature
200 Load Current in mA 150 4.5 mA 100 3.5 mA 50 0 -40 IF=2.5 mA >6 mA
Figure 10. Toff vs. temperature 100 Toff in % 50 0 Normalized @ IF=6 mA IL=37.5 mA,Ta=25C
-50
-100 -40
80
-20
0 20 40 60 Ambient temperature in C
-20 0 20 40 60 Ambient temperature in C
80
Figure 7. Derating of ILoad vs. temperature 110 Percent of rated load Current 100 90 80 70 60 -40 -20 0 20 40 60 Ambient temperature in C 80 recommended IF=6 mA Absolute
Figure 11. Change in Ton vs. temperature 300 Normalized @IF=6 mA 250 IL=37.5 mA, Ta=25C Ton in % 200 150 100 50 0 -50 -40 -20 0 20 40 60 80 IF=6 mA IF=2.5 mA
Ambient Temperature in C Figure 12. Turn-on and turn-off time vs. LED current 6 Turn-on Time in ms 5 4 3 2 1 0 0 Toff 5 10 15 IF-LED Current in mA 20 Ton
Figure 8. Change in Ilimit vs. temperature 40 Ilimit in % 20 0 -20 -40 -40 Normalized @ 25C IF=6 mA t=10ms
-20 0 20 40 60 Ambient Temperature in C
80
5-200
LH1056

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