IL66B PHOTODARLINGTON OPTOCOUPLER FEATURES • Internal RBE for High Stability • High Current Transfer Ratio at IF=2 mA, VCE=5 V IL66B-1, 200% min. IL66B-2, 750% min. • Withstand Test Voltage, 5300 VACRMS • No Base Connection • High Isolation Resistance • Standard Plastic DIP Package • Underwriters Lab Approval #E52744 V • VDE 0884 Available with Option 1 Dimensions in inches (mm) 2 3 1 pin one ID. .248 (6.30) .256 (6.50) 5 5 Collector 4 Emitter 6 .335 (8.50) .343 (8.70) .039 (1.00) min. .300 (7.62) typ. .130 (3.30) .138 (3.50) D E Maximum Ratings (at 25°C) 6 NC NC 3 4 DESCRIPTION The IL66B is an optically coupled isolator employing a Gallium Arsenide infrared emitter and a silicon photodarlington detector. Switching can be accomplished while maintaining a high degree of isolation between driving and load circuits. They can be used to replace reed and mercury relays with advantages of long life, high speed switching and elimination of magnetic fields. Anode 1 Cathode 2 18° typ. 4° typ. .031 (0.80) min. .031 (0.80) .035 (0.90) .100 (2.54) typ. .018 (0.45) .022 (0.55) .114 (2.90) .130 (3.30) .010 (.25) typ. .300 (7.62) .347 (8.82) Electrical Characteristics (TA=25°C) Symbol Min. Typ. Max. Unit Condition Emitter Emitter Peak Reverse Voltage ........................................6 V Continuous Forward Current .........................60 mA Power Dissipation at 25°C..........................100 mW Derate Linearly from 55°C....................1.33 mW/°C Detector Collector-Emitter Breakdown Voltage.............. 60 V Emitter-Collector Breakdown Voltage................ 5 V Power Dissipation at 25°C Ambient ...........200 mW Derate Linearly from 25°C......................2.6 mW/°C Package Isolation Test Voltage (t=1 sec.) ........ 5300 VACRMS Isolation Resistance VIO=500 V, TA=25°C ............................... ≥1012 Ω VIO=500 V, TA=100°C ............................. ≥1011 Ω Total Dissipation at 25°C ............................250 mW Derate Linearly from 25°C......................3.3 mW/°C Creepage Path ........................................ 7 min mm Clearance Path........................................ 7 min mm Storage Temperature....................–55°C to +150°C Operating Temperature ................–55°C to +100°C Lead Soldering Time at 260°C .................... 10 sec. Forward Voltage VF 1.25 1.5 V IF=10 mA Reverse Current IR 0.01 100 µA VR=3.0 V Capacitance CO 25 pF VR=0 V V IC=100 µA, IF=0 nA VCE=50 V, IF=0 Detector Breakdown Voltage Collector-Emitter BVCEO Leakage Current Collector-Emitter ICEO 60 1.0 100 Package Current Transfer Ratio CTR IL66B-1 IL66B-2 200 750 % % 1000 IF=2 mA, VCE=5 V Saturation Voltage Collector-Emitter VCEsat 1.0 V IC=10 mA, IF=10 mA Turn-On,Turn-Off Time ton,toff 200 µs VCC=10 V IF=2 mA, RL=100 Ω 5–1 This document was created with FrameMaker 4.0.4 Figure 1. Forward voltage versus forward current Figure 5. High/low propagation delay versus collector load resistance and LED current 50 Ta = -55°C 1.3 tpHL - High/Low Propagation Delay - µs VF - Forward Voltage - V 1.4 1.2 Ta = 25°C 1.1 1.0 0.9 Ta = 85°C 0.8 0.7 .1 1 10 IF - Forward Current - mA 100 Figure 2. Normalized non-saturated and saturated CTRce versus LED current tpLH - Low/High Propagation Delay - µs NCTRce - Normalized CTRce 1.5 Vce = 5 V 1.0 0.5 Vce = 1 V 0.0 .1 100 1 10 IF - LED Current - mA 10KΩ Ta = 25°C Vcc = 5 V Vth = 1.5 V 30 220Ω 20 10 0 0 5 10 15 IF - LED Current - mA 20 Figure 6. Low/high propagation delay versus collector load resistance and LED current 2.0 Normalized to: Ta = 25°C Vce = 5 V IF = 2 mA 40 150 10KΩ 125 100 75 Ta = 25°C Vcc = 5 V Vth = 1.5 V 50 25 2KΩ 220Ω 0 0 5 10 15 IF - LED Current - mA 20 NCTRce - Normalized CTRce Figure 3. Normalized non-saturated and saturated CTRce versus LED current 1.2 Normalized to: Ta = 25°C Vce = 5 V IF = 10 ma 1.0 0.8 Vce = 5 V 0.6 0.4 0.2 Vce = .4 V 0.0 .1 1 10 100 1000 IF - LED Current - mA Figure 4. Non-saturated and saturated collector emitter current versus LED current 10000 Vce = 5 V Ice - Collector-emitter current - mA 1000 100 Vce = .4 V 10 1 .1 .01 .001 .1 1 10 IF - LED Current - mA 100 IL66B 5–2