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Optocoupler, Phototriac Output, Zero Crossing, …

Document Number: 83628 For technical questions, contact: , 20-Oct-101 optocoupler , Phototriac output , zero crossing , Very Low Input CurrentIL4116, IL4117, IL4118 Vishay Semiconductors DESCRIPTIONThe IL4116, IL4117, and IL4118 consists of an AlGaAs IRLED optically coupled to a photosensitive zero crossing TRIAC network. The TRIAC consists of two inverse parallel connectedmonolithic SCRs. These three semiconductors devices areassembled in a six pin 300 mil dual in-line input sensitivity is achieved by using an emitter followerphototransistor and a cascaded SCR predriver resulting in anLED trigger current of less than mA (DC).The IL4116, IL4117, IL4118 uses zero cross line voltagedetection circuit witch consists of two enhancement MOSFET sand a photodiode.

Optocoupler, Phototriac Output, Zero Crossing, Very Low Input Current 0.8

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Transcription of Optocoupler, Phototriac Output, Zero Crossing, …

1 Document Number: 83628 For technical questions, contact: , 20-Oct-101 optocoupler , Phototriac output , zero crossing , Very Low Input CurrentIL4116, IL4117, IL4118 Vishay Semiconductors DESCRIPTIONThe IL4116, IL4117, and IL4118 consists of an AlGaAs IRLED optically coupled to a photosensitive zero crossing TRIAC network. The TRIAC consists of two inverse parallel connectedmonolithic SCRs. These three semiconductors devices areassembled in a six pin 300 mil dual in-line input sensitivity is achieved by using an emitter followerphototransistor and a cascaded SCR predriver resulting in anLED trigger current of less than mA (DC).The IL4116, IL4117, IL4118 uses zero cross line voltagedetection circuit witch consists of two enhancement MOSFET sand a photodiode.

2 The inhibit voltage of the network isdetermined by the enhancement voltage of the n-channel P-channel FET is enabled by a photocurrent source thatpermits the FET to conduct the main voltage to gate on then-channel FET. Once the main voltage can enable the n-channel,it clamps the base of the phototransistor, disabling the first stageSCR blocking voltage of up to 800 V permits control of off-linevoltages up to 240 VAC, with a safety factor of more than two, andis sufficient for as much as 380 VAC. current handling capabilityis up to 300 mA RMS continuous at 25 IL4116, IL4117, IL4118 isolates low-voltage logic from120 VAC, 240 VAC, and 380 VAC lines to control resistive,inductive, or capacitive loads including motors, solenoids, highcurrent thyristors or TRIAC and include solid-state relays, industrial controls, officeequipment, and consumer High input sensitivity: IFT = mA, PF =.

3 IFT = mA, typical PF < zero voltage crossing 600 V, 700 V, and 800 V blocking voltage 300 mA on-state current High dV/dt 10 000 V/ s Isolation test voltage 5300 VRMS Very low leakage < 10 A Compliant to RoHS Directive 2002/95/EC and inaccordance to WEEE 2002/96/ECAPPLICATIONS Solid state relay Lighting controls Temperature controls Solenoid/valte controls AC motor drives/startersAGENCY APPROVALS UL1577, file no. E52744 system code H or J, doubleprotection CSA 93751 BSI IEC60950; IEC60065 DIN EN 60747-5-5 (VDE 0884) available with option 1 FIMKONote(1)Also available in tubes, do not put T on the * zero crossing circuitZCC*VDE21842-1 ORDERING INFORMATIONI L411#-X0##TPART NUMBERPACKAGE OPTIONTAPE AND REELAGENCY CERTIFIED/PACKAGEBLOCKING VOLTAGE VDRM (V)UL, cUL, BSI, FIMKO600700800 DIP-6IL4116IL4117IL4118 DIP-6, 400 mil, option 6IL4116-X006-IL4118-X006 SMD-6, option 7IL4116-X007T (1)IL4117-X007IL4118-X007T (1)SMD-6, option 9IL4116-X009T (1)-IL4118-X009T (1)VDE, UL, cUL, BSI, FIMKO600700800 DIP-6IL4116-X001IL4117-X001IL4118-X001 DIP-6, 400 mil, option 6IL4116-X016-IL4118-X016 SMD-6, option 7--IL4118-X017 SMD-6, option 9IL4116-X019T (1)

4 --> mm> mmDIP Option 7 Option 6 Option 9 technical questions, contact: Number: 836282 Rev. , 20-Oct-10IL4116, IL4117, IL4118 Vishay SemiconductorsOptocoupler, Phototriac output , zero crossing , Very Low Input current Notes(1)Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. Functional operation of the device is notimplied at these or any other conditions in excess of those given in the operational sections of this document. Exposure to absolutemaximum ratings for extended periods of the time can adversely affect reliability.(2)Refer to reflow profile for soldering conditions for surface mounted devices (SMD). Refer to wave profile for soldering conditions for throughhole devices (DIP).

5 ABSOLUTE MAXIMUM RATINGS (1) (Tamb = 25 C, unless otherwise specified)PARAMETERTEST CONDITIONPARTSYMBOLVALUEUNITINPUTR everse voltageVR6 VForward currentIF60mASurge dissipationPdiss100mWDerate linearly from 25 CThermal resistanceRth750 C/WOUTPUTPeak off-state voltageIL4116 VDRM600 VIL4117 VDRM700 VIL4118 VDRM800 VRMS on-state currentIDRM300mASingle cycle surge3 APower dissipationPdiss500mWDerate linearly from 25 CThermal resistanceRth150 C/WCOUPLERC reepage distance 7mmClearance distance 7mmStorage temperature Tstg- 55 to + 150 COperating temperatureTamb- 55 to + 100 CIsolation test voltageVISO5300 VRMSI solation resistanceVIO = 500 V, Tamb = 25 CRIO 1012 VIO = 500 V, Tamb = 100 CRIO 1011 Lead soldering temperature (2)5 sTsld260 C Document Number: 83628 For technical questions, contact: , 20-Oct-103IL4116, IL4117, IL4118 optocoupler , Phototriac output , zero crossing , Very Low Input CurrentVishay Semiconductors Note Minimum and maximum values are testing requirements.

6 Typical values are characteristics of the device and are the result of engineeringevaluation. Typical values are for information only and are not part of the testing CHARACTERISTICS (Tamb = 25 C, unless otherwise specified)PARAMETERTEST voltageIF = 20 voltageIR = 10 AVBR630 VReverse currentVR = 6 ACapacitanceVF = 0 V, f = 1 MHzCO40pFThermal resistance, junction to leadRthjI750 C/WOUTPUTR epetitive peak off-state voltageIDRM = 100 AIL4116 VDRM600650 VIL4117 VDRM700750 VIL4118 VDRM800850 VOff-state voltageID(RMS) =70 AIL4116VD(RMS)424460 VIL4117VD(RMS)494536 VIL4118VD(RMS)565613 VOff-state currentVD = 600, Tamb = 100 CID(RMS)10100 AOn-state voltageIT = 300 currentPF = 1, VT(RMS) = VITM300mASurge (non-repetitive, on-state current )f = 50 HzITSM3 AHolding currentVT = 3 VIH65200 ALatching currentVT = VIL500 ALED trigger currentVAK = 5 cross inhibit voltageIF = rated IFTVIH1525 VCritical rate of rise off-state voltageVRM, VDM = 400 VACdV/dtcr10 000V/ sVRM, VDM = 400 VAC, Tamb = 80 CdV/dtcr2000V/ sCritical rate of rise of voltage at currentcommutationVD = 230 VRMS,ID = 300 mARMS, TJ = 25 CdV/dtcrq8V/ sVD = 230 VRMS,ID = 300 mARMS, TJ = 85 CdV/dtcrq7V/ sCritical rate of rise of on-state current commutationVD = 230 VRMS,ID = 300 mARMS, TJ = 25 CdV/dtcrq12A/msThermal resistance, junction to leadRthjI150 C/WCOUPLERC ritical state of rise of couplerinput- output voltageIT = 0 A, VRM = VDM = 424 VACdV(IO)/dt10 000V/ sCapacitance (input to output )

7 F = 1 MHz, VIO = 0 mode coupling CHARACTERISTICSPARAMETERTEST timeVRM = VDM = 424 VACton35 sTurn-off timePF = 1, IT = 300 mAtoff50 s technical questions, contact: Number: 836284 Rev. , 20-Oct-10IL4116, IL4117, IL4118 Vishay SemiconductorsOptocoupler, Phototriac output , zero crossing , Very Low Input current TYPICAL CHARACTERISTICS (Tamb = 25 C, unless otherwise specified) Fig. 1 - LED Forward current vs. Forward Voltage Fig. 2 - Forward Voltage vs. Forward current Fig. 3 - Peak LED current vs. Duty Factor, Fig. 4 - Maximum LED Power Dissipation Fig. 5 - On-State Terminal Voltage vs. Terminal current Fig. 6 - Maximum output Power LED Forward Voltage (V)IF- LED current (mA) Forward current (mA)VF- Forward Voltage (V)TA= - 55 CTA= 100 CTA= 25 Ciil4116_0310-610-510-410-310-210-110010 110100100010 000t - LED Pulse Duration (s)If(pk) - Peak LED current (mA) Factort DF = /t iil4116_04100806040200- 20- 40- 60050100150T - Ambient Temperature ( C)PLED - LED Power (mW)A500400300200100- 100- 200- 300- 400- 5000- 3- 1- 20123iil4116_05VT - On-State Voltage - V(RMS)IT - On-Site current - mA(RMS)iil4116_06100806040200- 20- 40- 6050150250T - Ambient Temperature ( C)PLED- LED Power (mW)A0100200300 Document Number: 83628 For technical questions, contact.

8 , 20-Oct-105IL4116, IL4117, IL4118 optocoupler , Phototriac output , zero crossing , Very Low Input CurrentVishay Semiconductors TRIGGER current VS. TEMPERATURE AND VOLTAGEThe trigger current of the IL4116, IL4117, IL4118 has apositive temperature gradient and also is dependent on theterminal voltage as shown as the fig. 7. Fig. 7 - Trigger current and Operating Voltage (50 Hz)For the operating voltage 250 VRMS over the temperaturerange - 40 C to 85 C, the IF should be at least x of theIFT1 ( mA, max.).Considering - 30 % degradation over time, the triggercurrent minimum is IF = x x 130 % = 4 mAINDUCTIVE AND RESISTIVE LOADSFor inductive loads, there is phase shift between voltage and current , shown in the fig. 8. Fig. 8 - Waveforms of Resistive and Inductive LoadsThe voltage across the triac will rise rapidly at the time thecurrent through the power handling triac falls below theholding current and the triac ceases to conduct.

9 The riserate of voltage at the current commutation is calledcommutating dV/dt. There would be two potential problemsfor ZC Phototriac control if the commutating dV/dt is toohigh. One is lost control to turn off, another is failed to keepthe triac control to turn offIf the commutating dV/dt is too high, more than its criticalrate (dV/dtcrq), the triac may resume conduction even if theLED drive current IF is off and control is lost. In order to achieve control with certain inductive loads ofpower factors is less than , the rate of rise in voltage(dV/dt) must be limited by a series RC network placed inparallel with the power handling triac. The RC network iscalled snubber circuit. Note that the value of the capacitorincreases as a function of the load current as shown in fig.

10 To keep onAs a zero - crossing Phototriac , the commutating dV/dtspikes can inhibit one half of the TRIAC from keeping on Ifthe spike potential exceeds the inhibit voltage of the zerocross detection circuit, even if the LED drive current IF is on. 21611 VRMS (V)IFT (mA) 150 200 250 300 350100 C85 C50 C25 C21607 Resistive loadCommutating dV/dtAC linevoltageAC currentthroughtriacVoltageacross triacIF(on)IF(off)Inductive load Commutating dV/dtAC linevoltageAC currentthroughtriacVoltageacross triacIF(on)IF(off) technical questions, contact: Number: 836286 Rev. , 20-Oct-10IL4116, IL4117, IL4118 Vishay SemiconductorsOptocoupler, Phototriac output , zero crossing , Very Low Input current This hold-off condition can be eliminated by using a snubberand also by providing a higher level of LED drive current .


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