IS355

IS355 HIGH DENSITY MOUNTING PHOTODARLINGTON OPTICALLY COUPLED ISOLATORS Dimensions in mm DESCRIPTION The IS355 is an optically coupled isolator consisting of an infrared light emitting diode and NPN silicon photodarlington in a space efficient dual in line plastic package. FEATURES l Marked as FPD1. l Current Transfer Ratio MIN. 600% Isolation Voltage (3.75kVRMS ,5.3kVPK ) All electrical parameters 100% tested Drop in replacement for Sharp PC355 l l l 3.85 +- 0.3 APPLICATIONS l Computer terminals l Industrial systems controllers l Measuring instruments l 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 1YD Tel: (01429) 863609 Fax :(01429) 863581 29/8/07 DB92859l-AAS/A5 ABSOLUTEMAXIMUMRATINGS (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 50mA 6V 70mW OUTPUT TRANSISTOR Collector-emitter Voltage BVCEO Emitter-collector Voltage BVECO Collector Current Power Dissipation 35V 6V 80mA 150mW POWER DISSIPATION Total Power Dissipation 170mW (derate linearly 2.26mW/°C above 25°C) ELECTRICAL CHARACTERISTICS ( TA = 25°C Unless otherwise noted ) PARAMETER Input MIN TYP MAX UNITS Forward Voltage (VF) 1.2 Reverse Current (IR) Output Coupled Collector-emitter Breakdown (BVCEO) 35 Emitter-collector Breakdown (BVECO) Collector-emitter Dark Current (ICEO) 6 Current Transfer Ratio (CTR) 600 Collector-emitter Saturation VoltageVCE (SAT) 29/8/07 1.4 V IF = 20mA 10 µA VR = 4V V IC = 0.1mA 1 V uA IE = 10uA VCE = 10V 7500 % 1mA IF , 2V VCE 1 V 20mA IF , 1mA IC Input to Output Isolation Voltage VISO 3750 5300 VRMS VPK See note 1 See note 1 Input-outputIsolation Resistance RISO 5x1010 Ω VIO = 500V (note 1) µs µs VCE = 2V , IC = 2mA, RL = 100Ω Output Rise Time Output Fall Time Note 1 TEST CONDITION tr tf 4 3 18 18 Measured with input leads shorted together and output leads shorted together. DB92859l-AAS/A5