MCA230/231/255 Photodarlington Optocoupler FEATURES * CTR Minimum MCA230/255, 100% MCA231, 200% * Isolation Test Voltage, 5300 VRMS * Coupling Capacitance, 0.5 pF * Fast Rise Time, 10 s * Fast Fall Time, 35 s * Underwriters Lab File #E52744 V * VDE #0884 Available with Option 1 Dimensions in inches (mm) 3 2 pin one ID 1 Photodarlington .248 (6.30) .256 (6.50) 1 6 Base Cathode 2 5 Collector NC 3 4 Emitter Anode 4 5 6 .335 (8.50) .343 (8.70) D E DESCRIPTION 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. Maximum Ratings Emitter Reverse Voltage..........................................6.0 V Continuous Forward Current ....................60 mA Power Dissipation at 25C .....................135 mW Derate Linearly from 25C .................1.8 mW/C Detector Collector-Emitter Breakdown Voltage MCA230/231 ............................................30 V MCA255 ...................................................55 V Emitter-Collector Breakdown Voltage ........7.0 V Collector-Base Breakdown Voltage MCA230/231 ............................................30 V MCA255 ...................................................55 V Power Dissipation at 25C .....................210 mW Derate Linearly from 25C .................2.8 mW/C Package Total Package Dissipation at 25C (LED plus Detector) ...........................260 mW Derate Linearly from 25C .................3.5 mW/C Storage Temperature ..............-55C to +150C Operating Temperature ..........-55C to +100C Lead Soldering Time at 260C ............... 10 sec. Isolation Test Voltage ........................5300 VRMS Isolation Resistance VIO=500 V, TA=25C............................. 1012 VIO=500 V, TA=100C........................... 1011 .130 (3.30) .150 (3.81) 18 4 typ. .031 (0.80) min. 3-9 .031 (0.80) .035 (0.90) .018 (0.45) .022 (0.55) .100 (2.54) typ. .114 (2.90) .130 (3.0) .010 (.25) typ. .300-.347 (7.62-8.81) Characteristics (TA=25C) Symbol Min. Typ. Max. Unit Condition Forward Voltage VF -- 1.1 1.5 V IF=50 mA Reverse Current IR -- -- 10 A VR=3.0 V Junction Capacitance CJ -- 50 -- pF VR=3.0 V BVCEO MCA230/231 MCA255 -- 30 30 -- -- V V IC=100 A, IF=0 mA IC=100 A, IF=0 mA BVECO -- 7.0 -- -- V IE=10 A, IF=0 mA BVCBO MCA230/231 MCA55 -- -- 30 55 -- -- -- -- V V IC=10 A, IF=0 mA IC=10 A, IF=0 mA ICEO -- -- -- 100 nA VCE=10 V, IF=0 mA VCEsat -- -- -- 0.8 1.0 1.0 1.0 1.2 V V V V V ICE=2.0 mA, IF=16 mA IC=IF=50 mA IC=2.0 mA, IF=1.0 mA IC=10 mA, IF=5.0 mA IC=50 mA, IF=10 mA DC Current Transfer Ratio MCA230/255 MCA231 CTR CTR 100 200 -- -- -- -- % % VCE=5.0 V, IF=10 mA VCE=5.0 V, IF=1.0 mA Capacitance Input to Output CIO -- 0.5 -- pF -- ton toff -- -- 10 35 -- -- s s RL=100 VCE=10 V Emitter Detector Package Switching Times Document Number: 83656 Revision 17-August-01 .300 (7.62) typ. .048 (0.45) .022 (0.55) .039 (1.00) Min. www.vishay.com 2-206 Figure 1. Forward voltage versus forward current Figure 5. Non-saturated and saturated HFE versus base current HFE - Forward Transfer Gain Ta = -55C 1.2 Ta = 25C 1.1 1.0 0.9 Ta = 85C 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 0.4 0.2 Vce =1V 1 10 100 IF - LED Curr ent - mA 1000 NIce - Normalized Ice Figure 3. Normalized non-saturated and saturated collector-emitter current versus LED current 10 Normalized to: Ta = 25C 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 4000 Vce = 1 V 2000 0 .01 .1 1 10 100 Figure 6. Low to high propagation delay versus collector load resistance and LED current 80 Ta = 25C, Vcc = 5V Vth = 1.5 V 60 1K 220 40 470 20 100 0 0 5 10 15 IF - LED Current - mA 20 Figure 7. High to low propagation delay versus collector load resistance and LED current 1K Ta = 25C Vcc = 5 V Vth = 1.5 V 15 10 100 5 0 0 5 10 15 IF - LED Current - mA 20 Figure 8. Switching timing waveform and schematic IF Normalized to: Ta = 25C Vcb = 3.5 V IF = 10 mA 1 6000 20 Vce = 5 V .1 .001 .1 Vce = 5 V Ib - Base Current - A 0.6 0.0 .1 Ta = 25C 8000 100 Figure 2. Normalized non-saturated and saturated CTRce at TA=25C versus LED current 1.2 10000 tpLH - Low/High Propagation Delay - s 1.3 tpHL - High/Low Propagation delay - s 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 Document Number: 83656 Revision 17-August-01 100 tPHL tS VTH=1.5 V tF IF=10 mA www.vishay.com 2-207