KT1200 Series 4PIN LSOP PHOTODARLINGTON PHOTOCOUPLER cosmo 1 z z Schematic Description 4 2 The KT1200 series consist of a photo darlington optically coupled to a gallium arsenide 3 infrared-emitting diode in a 4 pin LSOP wide body package. It features a high current transfer ratio, low coupling capacitance and high isolation voltage. 1. Anode 2. Cathode 3. Emitter 4. Collector z Features 1. Halogen free 2. Pb free and RoHS compliant 3. High isolation voltage 5000Vrms 4. Opaque type, SMD low profile 4 lead package 5. High current transfer ratio (CTR=2000%TYP.@ IF=1mA, VCE=2V ) 6. 8mm outer creepage distance 7. Agency Approvals • UL1577 / CUL C22.2 No.1 & NTC No.5, File No. E169586 • VDE EN 60747 , File No.40031267 • FMIKO EN 60065 , EN 60950, File No.FI26204 M1 • CQC GB4943 / GB8898-2011, File No. CQC11001057770,CQC11001057771 • CQC GB4943 / GB8898-2011, File No. CQC11001057773,CQC11001057775 z Applications • System appliances, measuring instruments • Industrial robots • Copiers, automatic vending machines • Signal transmission between circuits of different potentials and impedances • Telephone sets • Copiers, facsimiles • Interface with various power supply circuits, power distribution boards • Numerical control machines Cosmo Electronics Corp. Document No. 69P20005.1 -1- http://www.cosmo-ic.com KT1200 Series 4PIN LSOP PHOTODARLINGTON PHOTOCOUPLER cosmo z Outside Dimension Unit : mm TOLERANCE : ±0.2mm z Device Marking Notes: cosmo 120□ YWW cosmo 120 □:CTR rank Y: Year code / WW: Week code YWW Cosmo Electronics Corp. Document No. 69P20005.1 -2- http://www.cosmo-ic.com KT1200 Series 4PIN LSOP PHOTODARLINGTON PHOTOCOUPLER cosmo z Absolute Maximum Ratings (Ta=25℃) Parameter Symbol Rating Unit Forward current IF 50 mA Peak forward current IFP 1 A Reverse voltage VR 6 V Power dissipation PD 70 mW Collector-Emitter voltage VCEO 35 V Emitter-Collector voltage VECO 5 V Collector current IC 150 mA Collector power dissipation PC 150 mW Total power dissipation Ptot 170 mW Isolation voltage 1 minute Viso 5000 Vrms Operating temperature Topr -55 to +100 ℃ Storage temperature Tstg -55 to +125 ℃ Soldering temperature 10 seconds Tsol 260 ℃ Input Output z Electro-optical Characteristics Parameter Symbol Forward voltage VF Peak forward voltage VFP Input (Ta=25℃) Conditions Min. Typ. Max. Unit IF=20mA – 1.2 1.4 V IFP=0.5A – – 3.5 V Reverse current IR VR=4V – – 10 uA Terminal capacitance Ct V=0, f=1KHZ – 30 – pF ICEO VCE=10V, IF=0 – – 1.0 uA CTR IF=1mA, VCE=2V 200 2000 - % VCE(sat) IF=1mA, Ic=2mA – - 1.0 V 5x1010 1011 – Ω – 0.4 – pF - 7 - KHz – 200 - us – 200 - us Output Collector dark current Current transfer ratio Collector-Emitter saturation voltage Transfer Isolation resistance characteristics Floating capacitance Riso DC500V, 40 to 60%RH Cf V=0, f=1MHZ Cut-off frequency fc Vcc=5V,Ic=2mA,RL=100Ω Response time (Rise) tr Response time (Fall) tf Cosmo Electronics Corp. Document No. 69P20005.1 Vcc=5V,Ic=2mA,RL=100Ω -3- http://www.cosmo-ic.com KT1200 Series 4PIN LSOP PHOTODARLINGTON PHOTOCOUPLER cosmo Fig.1 Current Transfer Ratio vs. Forward Current VCE=2V Ta=25°C Current Transfer Ratio CTR ( % ) 8000 Classification table of current transfer ratio is shown below. CTR RANK KT1200 CTR ( % ) Min.200 6000 4000 2000 1000 0 0 0.2 0.5 1 2 5 10 Forward Current IF (mA) Fig.2 Collector Power Dissipation vs. Ambient Temperature Fig.3 Collector Dark Current vs. Ambient Temperature Collector Dark Current ICEO ( A ) Collector Power Dissipation PC ( mW ) 100 50 0 -55 -7 10 -8 10 -9 10 -1 0 10 -1 1 0 25 55 75 100 10 125 -5 5 0 20 40 100 115 Ambient Temperature Ta (℃) Fig.4 Forward Current vs. Ambient Temperature Fig.5 Forward Current vs. Forward Voltage 60 500 Forward Current IF ( mA ) Forward Current IF ( mA ) 80 -6 10 Ambient Temperature Ta (℃) 50 40 30 20 10 0 -55 60 E C 150 V 0 1 = 200 V -5 10 250 200 Ta=75°C 50°C 100 25°C 0°C -25°C 50 20 10 5 2 1 0 0 Cosmo Electronics Corp. Document No. 69P20005.1 25 50 75 100 0.5 1.0 1.5 2.0 2.5 3.0 125 -4- http://www.cosmo-ic.com KT1200 Series 4PIN LSOP PHOTODARLINGTON PHOTOCOUPLER cosmo Forward Voltage VF (V) Ambient Temperature Ta (℃) Fig.6 Collector Current vs. Collector-Emitter Voltage Relative Current Transfer Ratio ( % ) T a =2 5°C 1 80 160 140 I F =1 5m A 120 I F = 1 0m A 100 P c (M A X ) I F =5m A 80 60 I F = 2m A 40 I F =1m A 20 0 1 3 2 4 5 100 50 0 500 Response Time ( us ) Ic = 5 m A Ic = 7 m A Ic = 3 0 m A 3 .2 Ic = 5 0 m A 1 .6 0 0 0 .8 1 .6 2 .4 3 .2 75 100 200 VC C =5V Ic = 2m A Ta = 25°C tr tf 100 50 20 td 10 5 ts 2 1 4 .0 0.01 Forward Current IF (mA) Cosmo Electronics Corp. Document No. 69P20005.1 50 1000 Ic = 0 .5 m A Ic = 1 m A Ic = 3 m A 4 .8 25 Fig.9 Response Time vs. Load Resistance T a = 2 5 °C 6 .4 0 Ambient Temperature Ta (℃) Fig.8 Collector-Emitter Saturation Voltage vs. Forward Current 8 .0 -2 5 -5 5 Collector-Emitter Voltage VCE (V) Collector-Emitter Saturation Voltage VCE ( V ) AV m2 1= = E C F IV 150 2 00 Collector Current IC (mA) Fig.7 Relative Current Transfer Ratio vs. Ambient Temperature 0.1 1 10 Load Resistance RL (KΩ) -5- http://www.cosmo-ic.com KT1200 Series 4PIN LSOP PHOTODARLINGTON PHOTOCOUPLER cosmo z Test Circuit for Response Time C C V F I % 0 9 e c V 3 e c V 4 2 L R 1 F I % 0 1 -6- f t r t Cosmo Electronics Corp. Document No. 69P20005.1 http://www.cosmo-ic.com KT1200 Series 4PIN LSOP PHOTODARLINGTON PHOTOCOUPLER cosmo z Recommended Soldering Conditions (a) Infrared reflow soldering： Peak reflow soldering： 260℃ or below (package surface temperature) Time of peak reflow temperature： 10 sec Time of temperature higher than 230℃： 30-60 sec Time to preheat temperature from 180~190℃： 60-120 sec Time(s) of reflow： Two Flux： Rosin flux containing small amount of chlorine (The flux with a maximum chlorine content of 0.2 Wt% is recommended.) Recommended Temperature Profile of Infrared Reflow 10 sec M ax. temperature 260℃ 230℃ 190℃ 3 0 -6 0 s e c 180℃ 6 0 -1 2 0 s e c t (s ) (b) Wave soldering： Temperature： 260℃ or below (molten solder temperature) Time： 10 seconds or less Preheating conditions： 120℃ or below (package surface temperature) Time(s) of reflow： One Flux： Rosin flux containing small amount of chlorine (The flux with a maximum chlorine content of 0.2 Wt% is recommended.) (c) Cautions： Fluxes： Avoid removing the residual flux with freon-based and chlorine-based cleaning solvent. Avoid shorting between portion of frame and leads. Cosmo Electronics Corp. Document No. 69P20005.1 -7- http://www.cosmo-ic.com KT1200 Series 4PIN LSOP PHOTODARLINGTON PHOTOCOUPLER cosmo z Numbering System KT1200 (Z) Notes: KT1200 = Part No. Z = Tape and reel option (TLD、TRU) Option z Description Packing quantity TLD TLD tape & reel option 3000 units per reel TRU TRU tape & reel option 3000 units per reel Recommended Pad Layout for Surface Mount Lead Form Unit : mm Cosmo Electronics Corp. Document No. 69P20005.1 -8- http://www.cosmo-ic.com KT1200 Series 4PIN LSOP PHOTODARLINGTON PHOTOCOUPLER cosmo z 4-pin LSOP Carrier Tape & Reel TOLERANCE ： ±0.2mm Cosmo Electronics Corp. Document No. 69P20005.1 -9- http://www.cosmo-ic.com KT1200 Series 4PIN LSOP PHOTODARLINGTON PHOTOCOUPLER cosmo z Application Notice The content of datasheet is the guidance for product use only. cosmo takes no responsibility to the accuracy of the information provided here. For continuously improving all of products, including quality, reliability, function...etc., cosmo reserves the right to change the specification, characteristics, data, materials, and structure of products without notice. Please contact with cosmo to obtain the latest specification. It would be required to comply with the absolute maximum ratings listed in the specification. cosmo has no liability and responsibility to the damage caused by improper use of the products. cosmo products are intended to be designed for use in general electronics application list below: a. Personal computer b. OA machine c. Audio / Video d. Instrumentation e. Electrical application f. Measurement equipment g. Consumer electronics h. Telecommunication cosmo devices shall not be used or related with equipment requiring higher level of quality / reliability, or malfunction, or failure which may cause loss of human life, bodily injury, includes, without limitation: a. Medical and other life supporting equipments b. Space application c. Telecommunication equipment (trunk lines) d. Nuclear power control e. Equipment used for automotive vehicles, trains, ships...etc. This publication is the property of cosmo. No part of this publication may be reproduced or copied in any form or any means electronically or mechanically for any purpose, in whole or in part without any written permission expressed from cosmo. Cosmo Electronics Corp. Document No. 69P20005.1 - 10 - http://www.cosmo-ic.com