SIEMENS FEATURES * CTR Minimum MGA230/255, 100% MGA231, 200% tsolation Test Voltage, 5300 VACays Coupling Capacitance, 0.5 pF Fast Rise Time, 10 xs Fast Fall Time, 35 ys Underwriters Lab File #E52744 VDE #0684 Avaliable with Option 1 DESCRIPTION The MCA230/23 1/255 are industry standard optocouplers, consisting of a Gallium Arsenide infrared LED and a silicon phototdartington. 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 Continuous Forward Current Power Dissipation at 25C ........ Derate Linearly from 25C oo. 1.8 mW Detector Coilector-Emitter Breakdown Voliage MCA230/231 30V MCA255 occ cecseeeeeette seen Emitter-Collector Breakdown Voltage ..... FV Callector-Bas Breakdown Voltage MCA230/231 .... 30 V MCAZ5S ...,. 05 V Power Dissipation at 25C 210 mW Derate Linearly from 25C 2.8 mWPC Package Total Package Dissipation at 25C (LED plus Detector)... cece 260 mw Derate Linearly from 25C wee 3.5 mwiPC Storage Temperature ....... -55C to +150C Operating Temperature 55C to + 100C Lead Soldering Time at 260C 0. 10 sac. Isolation Test Voltage oo... eee 5300 VACams !sciation Resistance Vig=800 V, Ty= 25C... Vigo=500 V, Ta=100C ...... MCA230/231/255 PHOTODARLINGTON OPTOCOUPLER Package Dimensions in Inches (mm) Pin One ID. 1 _. (BL / Anode re [6] Base ates cna as Cae L a ne Gi] Emitter 4) Tp) 1g] 335 (8.50) | 343 (8.703 og9 308 (7.62) (1.00) 7 4 yp. | min 10 (3.30) } 4 150 (3.81) ' iyo + ety / iso (a7a 020 (051) min, 150 (3.81 o10(25) Wey eF 078 (0.45) _.|l)_._.031 (0.80) iit ota (35) Es 22 (0 5B)" aa. .035 (0.90) Le 300 (7.62) 3 a} |. 100 (2.54) typ. 347 (8.82) BB Characteristics (T,=25C) Symbol Min. Typ. Max. Unit Condition Emitter Forward Voltage Ve W618 |-=50 mA Reverse Current In 10 pA Vasa Junction Capacitance Cy 50 pF Ve=rG V, f=1 MHz Detector Borg, MCA230/29 1 30 v Jee 100 WA, Ip=O mA MCA255 3G Vv ip=100 pA, p= mA BV ecg 7 Vv [p=10 PA, fp=0 mA BV caq. MCA230/231 30 Vv toa 10 PA, p=0 mA MCA55 55 v Ip= 10 pA, ip=O MA tcea 100 nA Vog=10 , Ip=0 mA Package Voesat ob Vv lope2mMA, lp=16 mA 10 Io=le=50 mA 10 V les2 mA, p= 1 mA 10 ic=10 mA, [p=5 mA 12 4 Ip=50 mA, Ip=10 mA DC Current Transter Ratio MCA230/255 CTR 100 % Veer V, lp= 10 mA MCAZ31 CTR 200 % Vor 5 V, lp=1 mA Capacitance Input to Output Clo 08 pF Switching Times ton 10 Hs { R, = 100.9 tott 35 us Vog= 10 5-211Figure 1. Forward voltage versus forward current 14 13 12 4 1.0 og 08 O7 VF - Forward Voltage - A 1 16 IF - Forward Currant - mA 100 Figure 3. Normalized non-saturated and saturated collector-emitier current versus LED current 10 Normalized to: Voe=5V g Ta = 25C IF = 10 mA 1 3 Vee = 5V Le LC | Vee = 1V f 4 8 o1 ZL z / 001 A 1 10 190 IF - LED Current - mA Figure 5. Non-saturated and saturated HFE vereua base current Ta = 25C Vea =5V HFE - Forward Transfer Gain Bp 8 B 8 2828 22 aH A 1 ib - Base Current - WA 10 100 Figure 7. High te low propagation delay versus collector load resistance and LED current 20 Ta = 25C Voc = 5 V Vih=1.5V 16 10 i tpHL - High/Low Propagation 5 10 IF - LED Current - mA 15 20 NCTRce - Normalized CTR Nicb - Normalized cb us tpLH - Low/High Propagation 001 Figure 2. Normalized non-saturated and saturated CTAce at T, = 25C versus LED currant ve Nor malized to: =5V F= 10 mA = 26C 1.0 0.8 a6 0.4 a2 Vee =1V 0.0 a 1 10 100 F- LED Current- mA Figure 4. Normalized collector-base pho- tocurrent versus LED current 10 1000 Normalized to: Ta = 25C 1 bVeb = 3.5 V ip=10mA 1 7 01 a 1 IF - LED Current heh 10 100 -mA Figure 6. Low to high propsgation delay versus collector load resistance and LED current 800 Ta = 25 vih=1.5 Vee = 1K 60 40 20 0 5 10 15 20 IF - LED Current - mA Figure . Switching timing waveform and schematic Voc=5 F=10 KHz, DF=50% AL >| tty Ce _ Vo na | Cae Viat5 IF=10 mA aT beta 15 tp> 5-212 MCA230/23 1/255