MCT6 DUAL PHOTOTRANSISTOR OPTOCOUPLER FEATURES • Current Transfer Ratio, 20% Minimum • Two Isolated Channels Per Package • Isolation Text Voltage, 5300 VACRMS • Underwriters Lab File #E52744 • VDE #0884 Available with Option 1 DESCRIPTION Dimensions in inches (mm) 4 3 2 Pin One I.D 1 Anode 1 .268 (6.81) .255 (6.48) The MCT6 is an industry standard dual optocoupler consisting of a Gallium Arsenide infrared LED and a silicon phototransistor. The MCT6 is constructed with a high voltage insulation, double molded packaging process which offers 5300 VACRMS isolation test capability. 7 6 5 8 Emitter Cathode 2 7 Collector Cathode 3 6 Collector 8 .045 (1.14) .030 (.76) 5 Emitter Anode 4 .390 (9.91) .379 (9.63) .305 (7.75) Typ. .150 (3.81) .130 (3.30) Maximum Ratings Emitter (each channel) Reverse Voltage................................................. 3 V Continuous Forward Current......................... 60 mA Power Dissipation at 25°C Ambient........... 100 mW Derate Linearly from 25°C ..................... 1.3 mW/°C Detector (each channel) Collector-Emitter Breakdown Voltage ............... 30V Emitter-Collector Breakdown Voltage ................. 6V Power Dissipation at 25°C Ambient........... 150 mW Derate Linearly from 25°C ........................ 2 mW/°C Package Total Package Dissipation at 25°C (LED + Detector). ..................... 400 mW Derate Linearly from 25°C ................... 5.33 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 Pollution Degree (DIN VDE 0110) ......................... 2 Isolation Resistance VIO=500 V, TA=25°C ..........................RIO=1012 Ω VIO=500 V, TA=100°C ........................RIO=1011 Ω 10 ° Typ. 4° Typ. .022 (.56) .018 (.46) .135 (3.43) .115 (2.92) .040 (1.02) .030 (.76 ) .100 (2.54) Typ. 3°–9° .012 (.30) .008 (.20) Electrical Characteristics (TA=25°C) Symbol Min. Typ. Max. Unit Condition 1.1 1.5 V IF=20 mA 10 µA VR=3 V pF VF=0 V, f=1 MHz Emitter Forward Voltage VF Reverse Current IR Junction Capacitance CJ 25 Detector Breakdown Voltage Collector-Emitter BVCEO 30 V IC=10 µA, IF=0 mA Emitter-Collector BVECO 6 V IE=10 µA, IF=0 mA DC Current Transfer Ratio % CTRDC 20 VCE=10 V, IF=10 mA Saturation Voltage, Collector-Emitter V VCEsat ICE=2 mA, IF=16 mA Switching Times ton 3 µs RE=100 Ω, VCE=10 V toff 15 µs IC=2 mA Package 5–1 50 0.4 Figure 5. Normalized non-saturated and saturated CTR at TA = 85°C versus LED current 1.5 Normalized to: Vce = 10V, IF = 10mA, Ta = 25°C CTRce(sat) Vce = 0.4V 1.0 Figure 1. Forward voltage versus forward current 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 100 Ice - Collector Current - mA NCTR - Normalized CTR 0.0 100 Ta = 50°C NCTR(SAT) NCTR 0.0 100 Norm alized to: Vce = 10V, IF = 10mA Ta = 25 °C 1.0 CTRce(sat) Vce = 0.4V 0.5 Ta = 70°C NCTR(SAT) NCTR 1 10 IF - LED Current - mA 50°C 20 15 70°C 25°C 85°C 10 5 0 0 10 20 30 40 IF - LED Current - mA 50 60 10 10 5 4 10 3 10 2 Vce = 10V 10 1 10 0 TYPICAL 10 -1 10 -2 -20 0 20 40 60 80 Ta Ta- -Ambient AmbientTemperature Temperature- -°C °C 100 Figure 8. Propagation delay versus collector load resistor 1.5 tpLH - Propagation Delay - µs NCTR - Normalized CTR Figure 4. Normalized non-saturated and saturated CTR at TA = 70°C versus LED current .1 25 Figure 7. Collector-emitter leakage current versus temperature 0.5 0.0 30 Iceo - Collector-Emitter - nA NCTR - Normalized CTR Figure 3. Normalized non-saturated and saturated CTRat TA = 50°C versus LED current 1.5 Normalized to: Vce = 10V, IF = 10m A Ta = 25 °C 1.0 CTRce(sat) Vce = 0.4V 1 10 IF - LED Current - mA 100 35 NCTR(SAT) NCTR .1 1 10 IF - LED Current - mA Figure 6. Collector-emitter leakage current versus temperature and LED current 0.5 1 10 IF - LED Current - mA Ta = 85°C NCTR(SAT) NCTR 0.0 .1 Figure 2. Normalized non-saturated and saturated CTR at TA = 25°C versus LED current 1.5 Normalized to: Vce = 10V, IF = 10mA Ta = 25 °C 1.0 CTRce(sat) Vce = 0.4V .1 0.5 100 1000 Ta = 25°C, IF = 10mA Vcc = 5 V, Vth = 1.5 V tpHL 2.5 2.0 100 1.5 10 tpLH 1 .1 1.0 1 10 100 RL - Collector Load Resistor - KΩ tpLH - Propagation Delay - µs 1.3 NCTR - Normalized CTR VF - Forward Voltage - V 1.4 MCT6 5–2 Figure 10. Switching schematic Figure 9. Non-saturated switching timing IF VCC=5 V IF=10 mA F=10 KHz, DF=50% VO RL=75 Ω tPHL V0 tPLH tS 50% tD tR tF MCT6 5–3