MCA230/231/255 PHOTODARLINGTON OPTOCOUPLER FEATURES • CTR Minimum MCA230/255, 100% MCA231, 200% • Isolation Test Voltage, 5300 VACRMS • Coupling Capacitance, 0.5 pF • Fast Rise Time, 10 µs • Fast Fall Time, 35 µs • Underwriters Lab File #E52744 • VDE #0884 Available with Option 1 Dimensions in inches (mm) Pin One ID. 2 3 1 .248 (6.30) .256 (6.50) 5 5 Collector 4 Emitter NC 3 6 .335 (8.50) .343 (8.70) .300 (7.62) typ. .039 (1.00) min. The MCA230/231/255 are industry standard optocouplers, consisting of a Gallium Arsenide infrared LED and a silicon phototdarlington. These optocouplers are constructed with a high voltage insulation, double molded packaging process which offers 7.5 KV withstand test capability. .130 (3.30) .150 (3.81) 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. Maximum Ratings Package Total Package Dissipation at 25°C (LED plus Detector) ................................260 mW Derate Linearly from 25°C ......................3.5 mW/°C Storage Temperature .................. –55°C to +150°C Operating Temperature .............. –55°C to +100°C Lead Soldering Time at 260°C .................... 10 sec. Isolation Test Voltage ........................5300 VACRMS Isolation Resistance VIO=500 V, TA=25°C..................................1012 Ω VIO=500 V, TA=100°C................................ 1011 Ω 6 Base Cathode 2 4 DESCRIPTION Emitter Reverse Voltage .................................................6 V Continuous Forward Current ........................ 60 mA Power Dissipation at 25°C..........................135 mW Derate Linearly from 25°C ......................1.8 mW/°C Detector Collector-Emitter Breakdown Voltage MCA230/231 .................................................30 V MCA255 ........................................................55 V Emitter-Collector Breakdown Voltage ................7 V Collector-Base Breakdown Voltage MCA230/231 .................................................30 V MCA255 ........................................................55 V Power Dissipation at 25°C..........................210 mW Derate Linearly from 25°C ......................2.8 mW/°C Anode 1 Characteristics (TA=25°C) Symbol Min. Typ. Max. Unit Condition Emitter Forward Voltage VF Reverse Current IR Junction Capacitance CJ 1.1 1.5 V IF=50 mA 10 µA VR=3 V pF VR=3 V V V IC=100 µA, IF=0 mA IC=100 µA, IF=0 mA 50 Detector BVCEO MCA230/231 MCA255 30 30 BVECO 7 V IE=10 µA, IF=0 mA BVCBO MCA230/231 MCA55 30 55 V V IC=10 µA, IF=0 mA IC=10 µA, IF=0 mA 100 nA VCE=10 V, IF=0 mA 0.8 1.0 1.0 1.0 1.2 V V V V V ICE=2 mA, IF=16 mA IC=IF=50 mA IC=2 mA, IF=1 mA IC=10 mA, IF=5 mA IC=50 mA, IF=10 mA % % VCE=5 V, IF=10 mA VCE=5 V, IF=1 mA ICEO Package VCEsat DC Current Transfer Ratio MCA230/255 MCA231 Capacitance Input to Output Switching Times 5–1 CTR CTR 100 200 CIO 0.5 pF ton toff 10 35 µs µs RL=100 Ω VCE=10 V Figure 1. Forward voltage versus forward current Figure 5. Non-saturated and saturated HFE versus base current HFE - Forward Transfer Gain Ta = -55°C 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 NCTRce - Normalized CTR Normalized to: Vce = 5 V IF = 10 mA Ta = 25 °C 1.0 0.8 Vce = 5 V 0.6 0.4 0.2 Vce =1V 0.0 .1 1 10 100 IF - LED Current - mA 1000 NIce - Normalized Ice Figure 3. Normalized non-saturated and saturated collector-emitter current versus LED current 10 Normalized to: Ta = 25°C IF = 10 mA 1 Vce = 5 V Vce = 1V .01 1 10 IF - LED Current - mA 100 Figure 4. Normalized collector-base photocurrent versus LED current NIcb - Normalized Icb 10 6000 4000 Vce = 1 V 2000 0 .01 .1 1 10 100 Ib - Base Current - µA Figure 6. Low to high propagation delay versus collector load resistance and LED current 80 Ta = 25°C, Vcc = 5V Vth = 1.5 V 60 1KΩ 220Ω 40 470Ω 20 100Ω 0 0 5 10 15 IF - LED Current - mA 20 Figure 7. High to low propagation delay versus collector load resistance and LED current 1KΩ Ta = 25°C Vcc = 5 V Vth = 1.5 V 15 10 100Ω 5 0 0 5 10 15 IF - LED Current - mA 20 Figure 8. Switching timing waveform and schematic IF Normalized to: Ta = 25°C Vcb = 3.5 V IF = 10 mA 1 Vce = 5 V 20 Vce = 5 V .1 .001 .1 Ta = 25°C 8000 100 Figure 2. Normalized non-saturated and saturated CTRce at TA = 25°C versus LED current 1.2 10000 tpLH - Low/High Propagation Delay - µs 1.3 tpHL - High/Low Propagation delay - µs VF - Forward Voltage - V 1.4 VCC=5 V F=10 KHz, DF=50% tD .1 VO tR RL VO tPLH .01 .001 .1 1 10 IF - LED Current - mA tPHL 100 tS VTH=1.5 V tF IF=10 mA MCA230/231/255 5–2