IL755B Bidirectional Input Darlington Optocoupler FEATURES • Very High Current Transfer Ratio (500% min.) IL755B-1: 750% at IF=2.0 mA, VCE=5.0 V IL755B-2: 1000% at IF=1.0 mA, VCE=5.0 V • BVCEO >60 V • Isolation Test Voltage, 5300 VRMS • AC or Polarity Insensitive Inputs • No Base Connection • High Isolation Resistance, 1012 Ω • Low Coupling Capacitance • Standard Plastic DIP Package • Underwriters Lab Approval #E52744 • V VDE #0884 Available with Option 1 Dimensions in inches (mm) 3 2 pin one ID 1 Anode/ Cathode 1 Cathode/ 2 Anode .248 (6.30) .256 (6.50) 4 5 6 .039 (1.00) Min. 4° typ. DESCRIPTION Maximum Ratings (at 25°C) Emitter (Drive Circuit) 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 ............... 12 V Power Dissipation at 25°C Ambient ........... 200 mW Derate Linearly from 25°C ...................... 2.6 mW/°C Package Isolation Test Voltage (PK), t=1.0 sec. .................................... 5300 VRMS Dissipation at 25°C..................................... 250 mW Derate Linearly from 25°C ...................... 3.3 mW/°C Creepage .................................................. ≥7.0 mm Clearance .................................................. ≥7.0 mm Isolation Resistance TA=25°C≥1012 Ω 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) .018 (0.45) .022 (0.55) .300 (7.62) typ. .048 (0.45) .022 (0.55) .130 (3.30) .150 (3.81) D E The IL755B is a bidirectional input, optically coupled isolator consisting of two Gallium Arsenide infrared emitters and a silicon photodarlington sensor. 6 18° .031 (0.80) min. 3°–9° .031 (0.80) .035 (0.90) .100 (2.54) typ. .010 (.25) typ. .300–.347 (7.62–8.81) .114 (2.90) .130 (3.0) Electrical Characteristics TA=25°C Sym. Min. Typ. Max. Unit Condition VF — 1.25 1.5 V IF=10 mA Breakdown Voltage, Collector-Emitter BVCEO 60 75 — V IC=1.0 mA IF=0 Leakage Current, Collector-Emitter ICEO — 1.0 100 nA VCE=10 V IF=0 — — % VCE=5.0 V IF=±2.0 mA IF=±1.0 mA Emitter Forward Voltage(1) Detector Package Current Transfer Ratio IL755B-1 IL755B-2 CTR Saturation Voltage, Collector-Emitter VCEsat — — 1.0 V IC=10 mA IF=±10 mA Turn-On Time Turn-Off Time ton toff — — 200 µs VCC=10 V IF=±2.0 mA RL=100 Ω 750 1000 Notes: 1. Indicates JEDEC registered data. 2001 Infineon Technologies Corp. • Optoelectronics Division • San Jose, CA www.infineon.com/opto • 1-888-Infineon (1-888-463-4636) 2–157 March 2, 2000-09 Figure 5. Normalized non-saturated and saturated collector-emitter current versus LED current 60 10 40 NIce - Normalized Ice IF - LED Forward Current - mA Figure 1. LED forward current versus forward voltage 85°C 20 25°C 0 –55°C -20 -40 -60 -1.5 -1.0 -0.5 0.0 0.5 1.0 Normalized to: Ta = 25°C IF = 10 mA Vce = 5 V 1 Vce = 1V .1 .01 .001 .1 1.5 Figure 6. Low to high propagation delay versus collector load resistance and LED current Normalized to: Ta = 25°C Vce = 5 V IF = 1 mA 3.5 3.0 2.5 2.0 Vce = 5 V 1.5 1.0 0.5 Vce = 1 V 0.0 .1 3.0 Normalized to: TA = 25°C VCE = 5 V IF = 2 mA 2.0 1.5 VCE = 5 V 1.0 0.5 VCE = 1 V 0.0 .1 1 10 IF - LED Current - mA 100 NIce - Normalized Ice 100 Normalized to: TA = 25°C VCE = 5 V IF = 2 mA 10 220Ω 40 470Ω 20 100Ω 0 0 5 10 15 IF - LED Current - mA 1KΩ 15 Ta = 25°C Vcc = 5 V Vth = 1.5 V 10 100Ω 5 0 5 10 15 IF - LED Current - mA Figure 8. Switching waveform VCE = 5 V VCC=10 V VCE = 1 V F=10 KHz, DF=50% tD VO .1 20 Figure 9. Normalized nonsaturated and saturated CTRce versus LED current IF 1 20 20 0 Figure 4. Normalized non-saturated and saturated Ice versus LED current 1KΩ Figure 7. High to low propagation delay versus collector load resistance and LED current tpHL - High/Low Propagation delay - µs NCTRce - Normalized CTRce Figure 3. Normalized non-saturated and saturated CTRce versus LED current TA = 25°C, VCC = 5 V Vth= 1.5 V 60 100 1 10 IF - LED Current - mA 2.5 80 tpLH - Low/High Propagation Delay - µs NCTRce - Normalized CTRce 4.0 100 1 10 IF - LED Current - mA VF - LED Forward Voltage - V Figure 2. Normalized non-saturated and saturated CTRce gversus LED current Vce = 5 V RL VO tR tPLH IF=2 mA .01 .1 1 10 IF - LED Current - mA 100 tPHL 2001 Infineon Technologies Corp. • Optoelectronics Division • San Jose, CA www.infineon.com/opto • 1-888-Infineon (1-888-463-4636) tS VTH=1.5 V tF IL755B 2–158 March 2, 2000-09