MCT270, MCT271, MCT272, MCT273, MCT274, MCT275, MCT276, MCT277 OPTICALLY COUPLED ISOLATOR PHOTOTRANSISTOR OUTPUT APPROVALS l UL recognised, File No. E91231 Dimensions in mm 2.54 7.0 6.0 DESCRIPTION The MCT27_ series of optically coupled isolators consist of an infrared light emitting diode and NPN silicon photo transistor in a standard 6 pin 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 Isolation Voltage (5.3kVRMS ,7.5kVPK ) l All electrical parameters 100% tested l Custom electrical selections available APPLICATIONS l DC motor controllers l Industrial systems controllers l Measuring instruments l Signal transmission between systems of different potentials and impedances OPTION SM OPTION G SURFACE MOUNT 7.62 1 2 6 5 3 4 1.2 7.62 6.62 7.62 4.0 3.0 13 Max 0.5 3.0 0.5 3.35 0.26 ABSOLUTE MAXIMUM RATINGS (25C unless otherwise specified) Storage Temperature -55C to + 150C Operating Temperature -55C to + 100C Lead Soldering Temperature (1/16 inch (1.6mm) from case for 10 secs) 260C INPUT DIODE Forward Current Reverse Voltage Power Dissipation 60mA 6V 105mW OUTPUT TRANSISTOR Collector-emitter Voltage BVCEO (MCT275 only) BVCEO Collector-base Voltage BVCBO Emitter-base Voltage BVEBO Power Dissipation 30V 80V 70V 5V 160mW POWER DISSIPATION 0.6 0.1 10.46 9.86 1.25 0.75 0.26 10.16 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 Total Power Dissipation 200mW (derate linearly 2.67mW/C above 25C) ISOCOM INC 1024 S. Greenville Ave, Suite 240, Allen, TX 75002 USA Tel: (214) 495-0755 Fax: (214) 495-0901 e-mail info@isocom.com http://www.isocom.com DB92544m-AAS/A1 ELECTRICAL CHARACTERISTICS ( TA= 25C Unless otherwise noted ) Input Output PARAMETER MIN TYP MAX UNITS Forward Voltage (VF) Reverse Voltage (VR) Reverse Current (IR) 3 1.2 10 Collector-emitter Breakdown (BVCEO) MCT27x (except MCT275) MCT275 ( note 2 ) Collector-base Breakdown (BVCBO) Emitter-base Breakdown (BVEBO) Collector-emitter Dark Current (ICEO) Coupled Current Transfer Ratio (CTR) MCT270 MCT271 MCT272 MCT273 MCT274 MCT275 MCT276 MCT277 Collector-emitter Saturation VoltageVCE(SAT) IF = 20mA IR = 10A VR = 3V IC = 1mA 30 V V 70 V IC = 100A 5 V nA IE = 100A VCE = 10V % % % % % % % % V 10mA IF , 10V VCE 16mA IF , 2mA IC VRMS VPK See note 1 See note 1 VIO = 500V (note 1) s s s s s s VCC = 5V , RL = 100, IC= 2mA, (fig 1) 50 45 75 125 225 70 15 100 90 150 250 400 210 60 0.4 5300 7500 5x1010 Input-output Isolation Resistance RISO Switching Time tON , tOFF MCT270,272 MCT271 MCT273 MCT274 MCT275,277 MCT276 V V A 80 50 Input to Output Isolation Voltage VISO Note 1 Note 2 1.5 TEST CONDITION 10 7 20 25 15 3.5 Measured with input leads shorted together and output leads shorted together. Special Selections are available on request. Please consult the factory. VCC Input ton toff RL = 100 tr Output tf Output 10% 10% 90% 90% FIG 1 7/12/00 DB92544m-AAS/A2 Relative Current Transfer Ratio vs. Ambient Temperature Collector Power Dissipation vs. Ambient Temperature Collector power dissipation P C (mW) 200 Relative current transfer ratio 1.5 150 100 50 IF = 10mA VCE = 10V 1.0 0.5 0 0 -30 0 25 50 75 100 125 -30 0 25 50 75 Ambient temperature TA ( C ) Ambient temperature TA ( C ) Forward Current vs. Ambient Temperature Relative Current Transfer Ratio vs. Forward Current 100 80 1.4 Relative current transfer ratio Forward current I F (mA) 70 60 50 40 30 20 10 1.2 1.0 0.8 0.6 0.4 VCE = 10V TA = 25C 0.2 0 -30 0 25 50 75 100 1 125 TA = 25C 50 30 20 30 15 20 10 10 IF = 5mA 0 0 2 4 6 8 Collector-emitter voltage VCE ( V ) 7/12/00 10 10 20 50 Collector-emitter Saturation Voltage vs. Ambient Temperature (V) Collector-emitter saturation voltage V Collector current I C (mA) CE(SAT) Collector Current vs. Collector-emitter Voltage (Normalised to MCT270,273,275,277) 40 5 Forward current IF (mA) Ambient temperature TA ( C ) 50 2 0.28 0.24 IF = 16mA IC = 2mA 0.20 0.16 0.12 0.08 0.04 0 -30 0 25 50 75 Ambient temperature TA ( C ) 100 DB92544m-AAS/A2