IS127 HIGH DENSITY MOUNTING HIGH VOLTAGE DARLINGTON OPTICALLY COUPLED ISOLATORS Dimensions in mm DESCRIPTION The IS127 is an optically coupled isolator consisting of an infrared light emitting diode and a high voltage NPN silicon photo darlington which has an integral base-emitter resistor to optimise switching speed and elevated temperature characteristics in a space efficient dual in line plastic package. FEATURES z Marked as FPH1. z Current Transfer Ratio MIN. 1000% 3.85+-0.3 z High collector-emitter voltage, Vceo=300V z Isolation Voltage (3.75kV ,5.3kV ) RMS PK z All electrical parameters 100% tested z Drop in replacement for Toshiba TLP127 APPLICATIONS z Computer terminals z Industrial systems controllers z Measuring instruments z Signal transmission between systems of different potentials and impedances ISOCOM COMPONENTS LTD Unit 25B, Park View Road West, Park View Industrial Estate, Brenda Road Hartlepool, Cleveland, TS25 1UD Tel: (01429) 863609 Fax :(01429) 863581 DB92863 27/11/08ABSOLUTE 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 50mA Reverse Voltage 6V Power Dissipation 70mW OUTPUT TRANSISTOR Collector-emitter Voltage BV 300V CEO Emitter-collector Voltage BV 0.1V ECO Collector Current 150mA Power Dissipation 150mW POWER DISSIPATION Total Power Dissipation 170mW (derate linearly 2.26mW/C above 25C) ELECTRICAL CHARACTERISTICS ( T = 25C Unless otherwise noted ) A PARAMETER MIN TYP MAX UNITS TEST CONDITION Input Forward Voltage (V ) 1.2 1.4 V I = 10mA F F Reverse Current (I)10 AV = 4V R R Output Collector-emitter Breakdown (BV ) 300 V I = 0.1mA CEO C Emitter-collector Breakdown (BV ) 0.1 V I = 10uA ECO E Collector-emitter Dark Current (I ) 200 nA V = 200V CEO CE Coupled Current Transfer Ratio (CTR) 1000 % 1mA I , 2V V F CE Collector-emitter Saturation VoltageV 1.2 V 20mA I , 100mA I CE(SAT) F C Input to Output Isolation Voltage V 3750 V See note 1 ISO RMS 5300 V See note 1 PK 10 Input-output Isolation Resistance R 5x10 V = 500V (note 1) ISO IO Output Rise Time tr 4 18 sV = 2V , CE Output Fall Time tf 3 18 sI = 2mA, R = 100 C L Note 1 Measured with input leads shorted together and output leads shorted together. 27/11/08 DB92863l