IL766B BIDIRECTIONAL INPUT OPTOCOUPLER FEATURES • Very High Current Transfer Ratio IL766B-1: 400% at IF=1 mA, VCE=5 V IL766B-2: 900% at IF=0.5 mA, VCE=5 V • Internal RBE for Better Stability • BVCEO >60 V • Isolation Test Voltage, 5300 VACRMS • AC or Polarity Insensitive Inputs • No Base Connection • High Insulation Resistance, 1011Ω Typical • Standard Plastic DIP Package • Underwriters Lab File #E52744 Dimensions in inches (mm) 3 2 Pin One ID. Anode/ Cathode 1 1 .248 (6.30) .256 (6.50) Cathode/ Anode 2 4 5 6 Maximum Ratings (at 25°C) Emitter (Drive Circuit) Continuous Forward Current .........................60 mA Power Dissipation at 25°C..........................200 mW Derate Linearly from 55°C......................2.6 mW/°C Detector (Load Circuit) Collector-Emitter Breakdown Voltage.............. 60 V Collector-Base Breakdown Voltage................. 70 V Power Dissipation at 25°C Ambient ...........200 mW Derate Linearly from 25°C......................2.6 mW/°C Package UL Isolation Test Voltage (t=1 sec.) ....................................... 5300 VACRMS Dissipation at 25°C.....................................250 mW Derate Linearly from 25°C .....................3.3 mW/°C Creepage ................................................ 7 min mm Clearance................................................ 7 min mm Isolation Resistance VIO=500 V, TA=25°C ................................. 1012 Ω VIO=500 V, TA=100°C ............................... 1011 Ω Storage Temperature................... –55°C to +150°C Operating Temperature ................–55°C to +100°C Lead Soldering Time at 260°C .................... 10 sec. 5 Collector NC 3 4 Emitter .335 (8.50) .343 (8.70) .300 (7.62) Typ. .039 (1.00) Min. .130 (3.30) .150 (3.81) DESCRIPTION The IL766B is a bidirectional input, optically coupled isolator consisting of two Gallium Arsenide infrared emitters and a silicon photodarlington sensor. 6 NC 4° Typ. 18° Typ. .020 (.051) Min. .010 (.25) .014 (.35) .031 (0.80) .035 (0.90) .018 (0.45) .022 (0.55) .110 (2.79) .150 (3.81) .300 (7.62) .347 (8.82) .100 (2.54) Typ. Characteristics (TA=25°C) Symbol Min. Typ. Max. Unit Condition 1.25 1.5 V IF=± 10 mA V IC=1 mA, IF=0 nA VCE=10 V, IF=0 Emitter Forward Voltage VF Detector Breakdown Voltage Collector-Emitter BVCEO 60 Leakage Current Collector-Emitter ICEO 1.0 100 Package Current Transfer Ratio CTR IL766B-1 400 % IF=± 1 mA, VCE=5 V IL766B-2 900 % IF=± 0.5 mA, VCE=5 V V IC=10 mA, IF=± 10 mA µs VCC=5 V, IF=± 2 mA, RL=100 Ω Saturation Voltage, Collector-Emitter VCEsat Turn-On,Turn-Off Time ton, toff 5–1 1.0 200