IS355 ISOCOM | Alldatasheet
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Unit 25B, Park View Road West, Park View Industrial Estate, Brenda Road Hartlepool, Cleveland, TS25 1YD Tel: (01429) 863609 Fax :(01429) 863581 HIGH DENSITY MOUNTING PHOTODARLINGTON OPTICALLY COUPLED ISOLATORS
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% l Isolation Voltage (3.75kVRMS ,5.3kVPK ) l All electrical parameters 100% tested l Drop in replacement for Sharp PC355
APPLICATIONS
l Industrial systems controllers l Measuring instruments l Signal transmission between systems of different potentials and impedances IS355 DB92859l-AAS/A529/8/07 Dimensions in mm 3.85 +- 0.3
(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 50mA Reverse Voltage 6V Power Dissipation 70mW OUTPUT TRANSISTOR Collector-emitter Voltage BVCEO 35V Emitter-collector Voltage BVECO 6V Collector Current 80mA Power Dissipation 150mW POWER DISSIPATION Total Power Dissipation 170mW (derate linearly 2.26mW/°C above 25°C) PARAMETER MIN TYP MAX UNITS TEST CONDITION Input Forward Voltage (VF) 1.2 1.4 V IF = 20mA Reverse Current (IR) 10 µA VR = 4V Output Collector-emitter Breakdown (BVCEO) 35 V IC = 0.1mA Emitter-collector Breakdown (BVECO) 6 V IE = 10uA Collector-emitter Dark Current (ICEO) 1 uA VCE = 10V Coupled Current Transfer Ratio (CTR) 600 7500 % 1mA IF , 2V VCE Collector-emitter Saturation VoltageVCE (SAT) 1 V 20mA IF , 1mA IC Input to Output Isolation Voltage VISO 3750 VRMS See note 1
5300 VPK See note 1
Input-output Isolation Resistance RISO 5x1010 Ω VIO = 500V (note 1) Output Rise Time tr 4 18 µs VCE = 2V , Output Fall Time tf 3 18 µs IC = 2mA, RL = 100Ω ELECTRICAL CHARACTERISTICS ( T A = 25°C Unless otherwise noted ) Note 1 Measured with input leads shorted together and output leads shorted together. DB92859l-AAS/A529/8/07