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IL4208
800 V TRIAC DRIVER OPTOCOUPLER
FEATURES * High Input Sensitivity, IFT=2 mA * Blocking Voltage, 800 V * Isolation Test Voltage 5300 VACRMS * 300 mA On-state Current * High Static dv/dt 10,000 V/Ms * Inverse Parallel SCRs Provide * Commutating dv/dt >2K V/ s * Very Low Leakage <10 A * Small 6-Pin DIP Package * Underwriters Lab File #E52744 * VDE 0884 Available with Option 1 Maximum Ratings Emitter Reverse Voltage ..................................................... 6 V Forward Current ................................................ 60 mA Surge Current ....................................................... 2.5 A Thermal Resistance....................................... 750 C/W Derate from 25C ...................................... 1.33 mW/C Detector Peak Off-state Voltage......................................... 800 V Peak Reverse Voltage ......................................... 800 V RMS On-state Current ..................................... 300 mA Single Cycle Surge.................................................. 3 A Thermal Resistance....................................... 125 C/W Total Power Dissipation ................................... 500 mW Derate from 25C ........................................ 6.6 mW/C Package Isolation Test Voltage (between emitter and detector, climate per DIN 40046, part 2, Nov. 74 (t=1 min.).................... 5300 VACRMS Pollution Degree (DIN VDE 0109) .............................. 2 Creepage Distance ........................................... 7 mm Clearance.......................................................... 7 mm Comparative Tracking Index per DIN IEC 112/VDE 0303 part 1, Group IIIa per DIN VDE 6110..................................................... 175 Isolation Resistance VIO=500 V, TA=25C .................................... 1012 VIO=500 V, TA=100C .................................. 1011 Storage Temperature Range ............. -55C to +125C Ambient Temperature Range ............ -55C to +100C Soldering Temperature (max. 10 sec.dip soldering 0.5 mm from case bottom)............ 260C
Package Dimensions in inches (mm)
Pin One ID. 3 .248 (6.30) .256 (6.50) 4 5 6 2 1 LED Anode 1 LED 2 Cathode NC 3
.335 (8.50) .343 (8.70) .039 (1.00) min. 4 typ. .018 (0.45) .022 (0.55) .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)
Triac MT2 Substrate 5 do not connect 4 Triac MT1
6
.110 (2.79) .150 (3.81)
DESCRIPTION The IL4208 consists of a GaAs IRLED optically coupled to a photosensitive non-zero crossing TRIAC network. The TRIAC consists of two inverse parallel connected monolithic SCRs. These three semiconductors are assembled in a six pin 0.3 inch dual in-line package, using high insulation double molded, over/under leadframe construction. High input sensitivity is achieved by using an emitter follower phototransistor and a cascaded SCR predriver resulting in an LED trigger current of less than 2 mA (DC). The IL4208 uses two discrete SCRs resulting in a commutating dV/dt greater than 10 KV/s. The use of a proprietary dv/dt clamp results in a static dV/dt of greater than 10KV/s. This clamp circuit has a MOSFET that is enhanced when high dV/dt spikes occur between MT1 and MT2 of the TRIAC. When conducting, the FET clamps the base of the phototransistor, disabling the first stage SCR predriver. The 800V blocking voltage permits control of off-line voltages up to 240VAC, with a safety factor of more than two, and is sufficient for as much as 380VAC. The IL4208 isolates low-voltage logic from 120, 240, and 380 VAC lines to control resistive, inductive, or capacitive loads including motors, solenoids, high current thyristors or TRIAC and relays. Applications include solid-state relays, industrial controls, office equipment, and consumer appliances.
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Electrical Characteristics
Parameter Emitter Forward Voltage Reverse Current Capacitance Thermal Resistance, Junction to Lead Output Detector Repetitive Peak Off-state Voltage Repetitive Peak Reverse Voltage Off-state Voltage Reverse Voltage Off-state Current Reverse Current On-state Voltage On-state Current Surge (Non-repetitive On-state Current) Holding Current Latching Current LED Trigger Current Turn-on Time Turn-off Time Critical Rate of Rise of Off-State Voltage Critical Rate of Rise of Voltage at Current Commutation dv/dtcrq dv/dtcrq Critical Rate of Rise of On-state Current Thermal Resistance, Junction to Lead Package Critical Rate of Rise of Coupled Input/Output Volt- dv(IO)/dt age Common Mode Coupling Capacitor Package Capacitance Trigger Current Temperature Gradient CCM CIO 5000 0.01 0.8 7 14 V/s pF pF A/K f=1 MHz, VIO=0 V IT=0 A, VRM=VDM=565 VAC di/dt/cr RTHJL 150 10000 5000 8 A/s C/W VDRM VRRM VD(RMS) VR ID(RMS) IR(RMS) VTM ITM ITSM IH IL IFT tON tOFF dv/dtcr dv/dtcr 10000 5000 65 5 1 35 50 2 800 800 565 565 10 10 1.7 100 100 3 300 3 500 V V V V A A V mA A A mA mA s s V/ V/ss V/s VT=2.2 V VAK=5 V VRM=VDM=565 VAC, PF=1.0, IT=300 mA VD=0.67 VDRM, Tj=25C VD=0.67 VDRM, Tj=80C VD=0.67 VDRM, di/dtcrq<15 A/ms Tj=25C Tj=80C IDRM=100 A IRM=100 A ID(RMS)=70 A IR(RMS)=70 A VD=800 V, TA100C VR=800 V, TA=100C IT=300 mA PF=1.0, VT(RMS)=1.7 V f=50 Hz VF IR C0 RTHJL 1.16 0.1 40 750 1.35 10 V A pF C/W IF=10 mA VR=6 V VF=0 V, f=1 MHz Symbol Min. Typ. Max. Unit Condition
IFT/Tj
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IL4208

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