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IL356
HIGH VOLTAGE SOLID STATE RELAY OPTOCOUPLER
FEATURES * Normally Open, Single Pole Single Throw Operation * Control 400 VAC or DC Voltage * Switch 100 mA Loads * Low ON-Resistance * dv/dt, > 500 V/ms * Input and Output Isolation Voltage, 2500 VRMS * Current Limiting * Low Profile: Thickness=0.080 Inches Applications * Telephone Switch Hook * Industrial Control Systems * PCMCIA Card DESCRIPTION The IL356 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 400 V. The device is packaged in a eight pin 2 mm surface mount package. This package offers an insulation dielectric withstand of 2500 VRMS. The coupler consists of an 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 25 W at 25 mA lead current and is linear up to 50 mA. The incremental resistance drops to less than 20 W beyond 50 mA while reducing internal power dissipation at high load currents. There is built-in current limiting circuitry in the detector chip. Absolute Maximum Ratings (TA=25C) Emitter Reverse Voltage ................................................... 5.0 V Continuous Forward Current .............................. 60 mA Peak Forward Current, Non-repetitive (1 s)...... 0.25 A Power Dissipation.............................................. 50 mW Derate Linearly from 25C .......................... .66 mW/C Detector Output Breakdown Voltage ............................... 400 V Continous Load Current ................................. 100 mA Power Dissipation............................................ 300 mW Derate Linearly from 25C ........................... 5.8 mW/C Package Input and Output Isolation Voltage.............. 2500 VRMS Total Power Dissipation ................................... 350 mW Derate Linearly from 25C ........................... 5.3 mW/C Isolation Resistance VIO=500 V, TA=25C ....................................1012 VIO=500 V, TA=100C ..................................1011 Storage Temperature Range ................. -40 to +150C Operating Temperature Range................ -40 to +85C Junction Temperature......................................... 100C Soldering Temperature 2 mm from case, 10 sec. ................................ 260C
.083 (2.1) .075 (1.9) .040 (1.02) .036 (.91) .050 (1.27) Typ. .016 (.41) Typ. .006 (.15) 10 Typ. All 8 sides
Preliminary Data Sheet
Package Dimensions in Inches (mm)
Pins 6 & 7 N.C 1 .224 (5.7) .346 (8.79) .216 (5.5) .326 (8.3) Pin One ID A2 K3 N.C 4 .230 (5.84) .224 (5.69) .017 (.43) .013 (.33) .047 (1.19) .037 (.94) .301 (7.65) .281 (7.14) 8S 7 Heat sink do not 6 connect 5 S'
40 3-7
Electrical Specifications at 25C unless otherwise specified
Input (Emitter) Forward Voltage Reverse Voltage Capacitance Output (S-S') Output Off-state Leakage Current ILKG 0.04 200 1.0 OFF Resistance ON-Resistance Current Limit Output Capacitance ROFF RON ILMT C0 17 170 5000 25 210 37 13 Switch Offset Transfer Characteristics LED Forward Current, Switch Turn-on LED Forward Current, Switch Turn-off IFon 0.12 0.3 mA IL=100 mA t=10 ms VL= 350 V t=100 ms 0.25 33 270 nA A G W mA pF pF V IF=1.5 mA IL= 25 mA IF=1.5 mA t=5 ms IF=0 mA VL=1 V IF=0 mA VL=50 V IF=5 mA IF=0 mA VL= 100 V IF=0 mA VL= 400 V Symbol Min. VF VR CLED 1.15 5 25 Typ. 1.26 Max. 1.45 Units Condition V V pF IF=10 mA IR=10 A VR=0 f=1 MHz
IFoff
0.001 0.1
mA
Electrical Specifications continued on next page.
5-114
Electrical Specifications (continued)
Transfer Characteristics (continued)
Input/Output Capacitance Turn-on Time Symbol CISO ton Min. Typ. 0.8 1.00 0.3 0.20 Turn-off Time toff 0.25 0.5 ms 1 Max. Units Condition pF ms ms ms VISO=1 V IF=1.5 mA IL=50 mA IF=5.0 mA IL=50 mA IF=1.5 mA IL=50 mA IF=5.0 mA IL=50 mA
Figure 5. Change in current limit vs. temperature 40 IF=5 mA, t=5 ms, ILMT 30 normalized at 25C 20 10 0 -10 -20 -30 -40 -40 -20 0 20 40 60 80 Ambient Temperature in C ILMT in % NIFT(min) in %
Figure 6. Min. LED current, switch turn-ON vs. temp. Figure 1. Timing test circuit
NC 1 2 IF 3 NC 4 5 6,7 NC 8 1 k IL
300 IL=100 mA NIFT normalized at 25C 200 100 0 -100 -40
+ -
50 V
Figure 2. Timing waveform
tR1 s Control Input Switch Output 90% IF tR1 s IL 10% tOFF
-20 0 20 40 60 Ambient Temperature in C
80
tON
Figure 3. LED forward current vs. forward voltage IF Forward current in mA 120 100 80 60 40 20 0 0.6 0.8 1.0 1.2 1.4 1.6 1.8 VF- Input LED forward Voltage 85C 25C
Figure 7. Change in ON resistance vs. temperature 50 40 IL=50 mA 30 R/R normalized @ 25C 20 10 0 -10 -20 -30 -40 -40 -20 0 20 40 60 80 Ambient temperature in C R/R in %
Figure 8. Switching speed vs. LED current 4.0 3.0 2.0 Toff 1.0 0.0 0 4 8 12 16 LED Current in mA 20 Ton Ton & Toff normalized at LED Current=2 mA Ta=25C
IL-Load Current in mA
Figure 4. Recommended operating conditions 120 >3 ma 80 IF=0.3 ma 1 mA 2 mA
40
0 -40
-20 0 20 40 60 Ambient Temperature in C
80
Switching Speed
5-115
IL356

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