MCA255

MCA230X, MCA231X, MCA255X MCA230, MCA231, MCA255 OPTICALLY COUPLED ISOLATOR PHOTODARLINGTON OUTPUT APPROVALS l 2.54 6.4 6.2 1.54 8.8 8.4 1 2 3 Dimensions in mm UL recognised, File No. E91231 - 'X' SPECIFICATION APPROVALS l VDE 0884 in 2 available lead form : - STD - G form VDE 0884 inSMD approval pending l SETI approved, reg. no.151786-18 DESCRIPTION The MCA230, MCA231, MCA255 series of optically coupled isolators consist of an infrared light emitting diode and NPN silicon photodarlington in a space efficient dual in line plastic package. FEATURES l Options :10mm lead spread - add G after part no. Surface mount - add SM after part no. Tape&reel - add SMT&R after part no. l High Current Transfer Ratio l High Isolation Voltage (5.3kVRMS ,7.5kVPK ) l All electrical parameters 100% tested l Custom electrical selections available APPLICATIONS Computer terminals l Industrial systems controllers l Measuring instruments l Signal transmission between systems of different potentials and impedances l 6 5 4 4.3 4.1 0.5 0.3 7.8 7.4 0.5 3.3 9.6 8.4 ABSOLUTE MAXIMUM RATINGS (25°C unless otherwise specified) Storage Temperature -55°C to + 150°C Operating Temperature -55°C to + 100°C Lead Soldering Temperature (1/16 inch (1.6mm) from case for 10 secs) 260°C INPUT DIODE Forward Current Reverse Voltage Power Dissipation OUTPUT TRANSISTOR Collector-emitter Voltage BVCEO MCA255 MCA230, MCA231 Collector-base Voltage BVCBO MCA255 MCA230, MCA231 Emitter-collector Voltage BVECO Power Dissipation POWER DISSIPATION 55V 30V 55V 30V 7V 150mW 60mA 5V 105mW OPTION SM SURFACE MOUNT OPTION G 5.08 max. 1.2 0.6 1.4 0.9 0.26 10.16 10.2 9.5 Total Power Dissipation 250mW (derate linearly 3.3mW/°C above 25°C) ISOCOM COMPONENTS LTD Unit 25B, Park View Road West, Park View Industrial Estate, Brenda Road Hartlepool, Cleveland, TS25 1YD Tel: (01429) 863609 Fax :(01429) 863581 7/12/00 DB92189-AAS/A2 ELECTRICAL CHARACTERISTICS ( TA = 25°C Unless otherwise noted ) PARAMETER Input Forward Voltage (VF) Reverse Voltage (VR) Reverse Current (IR) Collector-emitter Breakdown (BVCEO) MCA230, MCA231 MCA255 Collector-base Breakdown (BVCBO) MCA230, MCA231 MCA255 Emitter-collector Breakdown (BVECO) Collector-emitter Dark Current (ICEO) MIN TYP MAX UNITS 1.2 3 10 1.5 V V µA V V V V V nA TEST CONDITION IF = 20mA I R = 1 0 µA VR = 3 V IC = 100µA (note 2) IC = 100µA (note 2) IC = 10µA (note 2) IC = 10µA (note 2) I E = 1 0 µA VCE = 10V 10mA IF , 5V VCE 10mA IF , 5V VCE 50mA IF , 50mA IC 1mA IF , 2mA IC 5mA IF , 10mA IC 10mA IF , 50mA IC (note 1) (note 1) VIO = 500V (note 1) VCC= 2V,RL = 100Ω, IF = 10mA , fig.1 Output 30 55 30 55 5 100 Coupled Collector Output Current ( IC ) (Note 2) MCA230, MCA255 100 MCA231 200 Collector-emitter Saturation VoltageVCE(SAT) MCA230, MCA255 MCA231 % % 1.0 1.0 1.0 1.2 V V V V VRMS VPK Ω µs µs Input to Output Isolation Voltage VISO Input-output Isolation Resistance RISO Output Turn on Time ton Output Turn off Time toff 5300 7500 5x1010 10 100 Note 1 Note 2 Measured with input leads shorted together and output leads shorted together. Special Selections are available on request. Please consult the factory. FIGURE 1 VCC = 10V Input IF = 10mA 100Ω ton tr Input Output Output 10% 90% 10% 90% toff tf 7/12/00 DB92189-AAS/A2 Collector Power Dissipation vs. Ambient Temperature 200 Collector power dissipation P C (mW) Current transfer ratio CTR (%) 10000 5000 1000 800 500 100 50 10 Current Transfer Ratio vs. Forward Current 150 100 50 VCE = 5V TA = 25°C 0 -30 0 25 50 75 100 125 Ambient temperature TA ( °C ) Forward Current vs. Ambient Temperature 100 0 0.1 0.2 0.5 1 2 5 10 20 50 100 Forward current IF (mA) Collector Current vs. Collector-emitter Voltage 100 50mA 20 Collector current I C (mA) 80 60 40 2mA 20 0 -30 0 25 50 75 100 125 0 1 2 3 4 5 Ambient temperature TA ( °C ) Collector-emitter Saturation Voltage vs. Ambient Temperature Collector-emitter voltage VCE ( V ) Relative Current Transfer Ratio vs. Ambient Temperature 1.5 Relative current transfer ratio IF = 1mA 10mA 5mA TA = 25°C 80 Forward current I F (mA) CE(SAT) 60 40 20 0 (V) 1.2 1.0 0.8 0.6 0.4 0.2 0 -30 Collector-emitter saturation voltage V IF = 50mA IC = 50mA IF = 10mA VCE = 5V 1.0 0.5 0 0 25 50 75 100 -30 Ambient temperature TA ( °C ) 0 25 50 75 Ambient temperature TA ( °C ) 100 7/12/00 D B92189-AAS/A2