document number: 81957 for technical questions, contact: optocoupleranswe rs@vishay.com www.vishay.com rev. 1.1, 04-nov-10 1 optocoupler, phototransistor output, with base connection in soic-8 package vo205at, vo206at, vo207at, vo208at vishay semiconductors description the vo205at, vo206at, vo207at, vo208at are optically coupled pairs with a gallium arsenide infrared led and a silicon npn phototransistor. signal information, including a dc level, can be transmitted by the device while maintaining a high degree of electrical isolation between input and output. this family comes in a standard soic-8a small outline package for surface mounting which makes them ideally suited for high density application with limited space. features ?high bv ceo , 70 v ? isolation test voltage, 4000 v rms ? compliant to rohs directive 2002/95/ec and in accordance to weee 2002/96/ec agency approvals ? ul1577, file no. e52744 system code y ? cul - file no. e52744, equivalent to csa bulletin 5a ? din en 60747-5-2 (vde 0884) available with option 1 note ? stresses in excess of the absolute maximum ratings can cause permanent damage to the device. functional operation of the devic e is not implied at these or any other conditions in excess of those give n in the operational sections of this document. exposure to abs olute maximum ratings for extended periods of the time can adversely affect reliability. i179002-1 1 2 3 4 a k nc nc 8 7 6 5 nc b c e v de i179074 ordering information vo2 0 #at part number agency certified/package ctr (%) ul, cul, vde 40 to 80 63 to 125 100 to 200 160 to 320 soic-8 vo205at vo206at vo207at vo208at absolute maximum ratings (t amb = 25 c, unless otherwise specified) parameter test condition symbol value unit input peak reverse voltage v r 6v forward continuous current i f 60 ma peak forward current 1 s, 300 pps i fm 1a power dissi pation p diss 90 mw derate linear ly from 25 c 1.2 mw/c output collector emitter breakdown voltage bv ceo 70 v emitter collector breakdown voltage bv eco 7v collector-base br eakdown voltage bv cbo 70 v i cmax. dc i cmax. dc 50 ma i cmax. t < 1 ms i cmax. 100 ma power dissi pation p diss 150 mw derate linear ly from 25 c 2mw/c coupler isolation test voltage v iso 4000 v rms total package dissipation (led and detector) p tot 240 mw derate linear ly from 25 c 3.3 mw/c operating temperature t amb - 40 to + 100 c storage temperature t stg - 40 to + 150 c soldering time at 260 c t sld 10 s s ioc-8 6.1 mm
www.vishay.com for technical questions, contact: optocoupleranswe rs@vishay.com document number: 81957 2 rev. 1.1, 04-nov-10 vo205at, vo206at, vo207at, vo208at vishay semiconductors optocoupler, phototransistor output, with base connection in soic-8 package note ? minimum and maximum values were tested requierements. typical va lues are characteristics of the device and are the result of e ngineering evaluations. typical values are for information only and are not part of the testing requirements. fig. 1 - switching test circuit electrical characteristcs (t amb = 25 c, unless otherwise specified) parameter test condition part symbol min. typ. max. unit input forward voltage i f = 10 ma v f 1.3 1.5 v reverse current v r = 6 v i r 0.1 100 a capacitance v r = 0 v c o 13 pf output collector emitter breakdown voltage i c = 100 a bv ceo 70 v emitter collector breakdown voltage i e = 10 a bv eco 710 v collector base breakdown voltage i c = 100 a bv cbo 100 v collector base current i cbo 1na emitter base current i ebo 1na collector emitter leakage current v ce = 10 v i ceo 550na saturation voltage, collector emitter i c = 2 ma, i f = 10 ma v cesat 0.4 v coupler capacitance, input to output c io 0.5 pf current transfer ratio parameter test condition part symbol min. typ. max. unit i c /i f i f = 10 ma, v ce = 5 v vo205at ctr 40 80 % vo206at ctr 63 125 % vo207at ctr 100 200 % vo208at ctr 160 320 % switching characteristics parameter test condition part symbol min. typ. max. unit turn-on time i c = 2 ma, r l = 100 , v cc = 10 v t on 3s turn-off time i c = 2 ma, r l = 100 , v cc = 10 v t off 3s rise time i c = 2 ma, r l = 100 , v cc = 10 v t r 3s fall time i c = 2 ma, r l = 100 , v cc = 10 v t f 2s iil215at_17 v cc = 5 v input v out r l t fall 10 % 50 % 90 % t off t on t rise output input 10 % 50 % 90 % v 0 0
document number: 81957 for technical questions, contact: optocoupleranswe rs@vishay.com www.vishay.com rev. 1.1, 04-nov-10 3 vo205at, vo206at, vo207at, vo208at optocoupler, phototrans istor output, with base connection in soic-8 package vishay semiconductors fig. 2 - test circuit for common mode transient immunity note ? as per iec 60747-5-5, 7.4.3.8.1, this optoco upler is suitable for safe electrical in sulation only within the safety ratings . compliance with the safety ratings shall be ensured by means of protective circuits. common mode transient immunity parameter test condition symbol min. typ. max. unit common mode tr ansient immunity at logic high v cm = 1000 v p-p , r l = 1 k , i f = 0 ma |c mh | 5000 v/s common mode tr ansient immunity at logic low v cm = 1000 v p-p , r l = 1 k , i f = 10 ma |c ml | 5000 v/s safety and insulation ratings parameter test condition symbol min. typ. max. unit climatic classification (according to iec 68 part 1) 40/100/21 polution degree 2 comparative tracking index cti 175 399 isolation test voltage 1 s v iso 4000 v rms peak transient overvoltage v iotm 6000 v peak insulation voltage v iorm 560 v resistance (input to output) r io 100 g safety rating - power output p so 350 mw safety rating - input current i si 150 ma safety rating - temperature t si 165 c external creepage distance 4 mm external clearance distance 4 mm internal creepage distance 3.3 mm insulation thickness 0.2 mm r f v b = 4.5 v 2, 3, 4 1 b a 7 6 5 r l 1 k v o 5 vdc 0.1 f v cm input from hv pulse source + - 21627 dt dt dv = 63 % of v cm dv = 63 % of v cm common mode voltage v cm 2.0 v 2.0 v v o v o cm h cm l 0.8 v 0.8 v time 21626
www.vishay.com for technical questions, contact: optocoupleranswe rs@vishay.com document number: 81957 4 rev. 1.1, 04-nov-10 vo205at, vo206at, vo207at, vo208at vishay semiconductors optocoupler, phototransistor output, with base connection in soic-8 package typical characteristics (t amb = 25 c, unless otherwise specified) fig. 3 - forward voltage vs. forward current fig. 4 - normalized non- saturated and saturated ctr ce vs. led current fig. 5 - collector emi tter current vs. led current fig. 6 - normalized collector-ba se photocurrent vs. led current fig. 7 - normalized collector-ba se photocurrent vs. led current fig. 8 - collector base ph otocurrent vs. led current i205at_01 0.1 1 10 100 1.4 1.3 1.2 1.1 1.0 0.9 0.8 0.7 v f - forward voltage (v) i f - forward current (ma) t a = 25 c t a = 85 c t a = - 55 c i205at_02 0.1 1 10 100 normalized to: v ce = 10 v i f = 10 ma 1.5 1.0 0.5 0 v ce = 5 v v ce = 0.4 v i f - led current (ma) nctr ce - normalized ctr ce i205at_03 0.1 1 10 100 i f - led current (ma) i ce - collector emitter current (ma) v ce = 0.4 v v ce = 10 v 150 100 50 0 i205at_04 0.1 1 10 100 i f - led current (ma) ni cb - normalized (i cb ) normalized to: v cb = 9.3 v i f = 1 ma 100 10 1 0.1 i205at_05 0.1 1 10 100 i f - led current (ma) ni cb - normalized (i cb ) normalized to: v cb = 9.3 v i f = 10 ma 10 1 0.1 0.01 i205at_06 i f - led current (ma) i cb - collector base current (a) v cb = 9.3 v 1000 100 10 1 0.1 0.1 1 10 100
document number: 81957 for technical questions, contact: optocoupleranswe rs@vishay.com www.vishay.com rev. 1.1, 04-nov-10 5 vo205at, vo206at, vo207at, vo208at optocoupler, phototrans istor output, with base connection in soic-8 package vishay semiconductors package dimensions in millimeters i178003 40 7 pin one id 5 max. iso method a 0.91 0.36 4.32 1.14 6.6 r 0.13 1.27 6.10 1.27 typ. 0.41 0.1 0.2 lead coplanarity 0.04 max. 0.20 3.05 0.13 c l r 0.25 max. 0.53 3.91 0.13 0.38 0.05 4.88 0.13 0.51 0.10 2 places 1.49 0.13 3.18 0.13
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