ILD256T Vishay Semiconductors Optocoupler, Phototransistor Output, Dual Channel, AC Input FEATURES Each Channel: Guaranteed CTR Symmetry, 2:1 Maximum Bidirectional AC Input 1 8 C A/C SOIC-8 Surface Mountable Package 2 7 E C/A Isolation Test Voltage, 4000 V RMS 3 6 C A/C Standard Lead Spacing, 0.05 4 5 E C/A Available only on Tape and Reel Option i179044 (Conforms to EIA Standard 481-2) Lead (Pb)-free component Component in accordance to RoHS 2002/95/EC and WEEE 2002/96/EC DESCRIPTION AGENCY APPROVALS The ILD256T is a dual channel optocoupler. Each UL1577, File No. E52744 System Code Y channel consists of two infrared emitters coupled to a DIN EN 60747-5-2 (VDE0884) silicon NPN phototransistor detector. Available with Option 1 These circuit elements are constructed with a standard SOIC-8A footprint. APPLICATIONS The product is well suited for telecom applications Telecom applications ring detection off/on hook such as ring detection or off/on hook status, given its status bidirectional LED input and guaranteed current transfer ratio (CTR) of 20 % at I = 10 mA. F ORDER INFORMATION PART REMARKS ILD256T CTR > 20 %, SOIC-8 Note: For additional information on the available options refer to Option Information. 1) ABSOLUTE MAXIMUM RATINGS PARAMETER TEST CONDITION SYMBOL VALUE UNIT INPUT Forward continuous current I 30 mA F Power dissipation P 50 mW diss Derate linearly from 25 C 0.66 mW/C OUTPUT Collector-emitter breakdown BV 70 V CEO voltage Emitter-collector breakdown BV 7.0 V ECO voltage Power dissipation P 125 mW diss Derate linearly from 25 C 1.67 mW/C Document Number 83649 For technical support, please contact: optocoupler.answers vishay.com www.vishay.com Rev. 1.6, 20-Apr-07 1ILD256T Vishay Semiconductors 1) ABSOLUTE MAXIMUM RATINGS PARAMETER TEST CONDITION SYMBOL VALUE UNIT COUPLER Isolation voltage, input to output t = 1.0 s V V 4000 ISO RMS Total package dissipation P 300 mW tot (LED + detector) Derate linearly from 25 C 4.0 mW/C Storage temperature T - 55 to + 150 C stg Operating temperature T - 55 to + 100 C amb Soldering temperature at 260 C T 10 sec. sld Note: 1) T = 25 C, unless otherwise specified. amb Stresses in excess of the absolute Maximum Ratings can cause permanent damage to the device. Functional operation of the device is not implied at these or any other conditions in excess of those given in the operational sections of this document. Exposure to absolute Maximum Rating for extended periods of the time can adversely affect reliability. 1) ELECTRICAL CHARACTERISTICS PARAMETER TEST CONDITION PART SYMBOL MIN TYP. MAX UNIT INPUT Forward voltage I = 10 mA V 1.2 1.55 V F F Reverse current V = 6.0 V I 0.1 100 mA R R OUTPUT Collector-emitter breakdown voltage I = 10 A BV 70 V C CEO Emitter-collector breakdown voltage I = 10 A BV 7.0 V E ECO Collector-emitter leakage current V = 10 V I 5.0 50 nA CE CEO COUPLER Symmetry (CTR at + 10 mA)/(CTR at -10 mA) 0.5 1.0 2.0 Saturation voltage, collector-emitter I = 16 mA, I = 2.0 mA V 0.4 V F C CEsat Note: 1) T = 25 C, unless otherwise specified. amb Minimum and maximum values are testing requirements. Typical values are characteristics of the device and are the result of engineering evaluation. Typical values are for information only and are not part of the testing requirements. CURRENT TRANSFER RATIO PARAMETER TEST CONDITION PART SYMBOL MIN TYP. MAX UNIT DC Current Transfer Ratio I = 10 mA, V = 5.0 V CTR 20 % F CE DC 1) SAFETY AND INSULATION RATINGS PARAMETER TEST CONDITION SYMBOL MIN TYP. MAX UNIT Climatic classification (according to IEC 68 part 1) 55/100/21 Comparative tracking index CTI 175 399 V 6000 V IOTM V 560 V IORM P 350 mW SO I 150 mA SI T 165 C SI Creepage 4mm Clearance 4mm Insulation thickness, reinforced rated per IEC60950 2.10.5.1 0.2 mm Note: 1) As per IEC60747-5-2, 7.4.3.8.1, this optocoupler is suitable for safe electrical insulation only within the safety ratings. Compliance with the safety ratings shall be ensured by means of prodective circuits. www.vishay.com For technical support, please contact: optocoupler.answers vishay.com Document Number 83649 2 Rev. 1.6, 20-Apr-07