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 7/12/00 db92189-aas/a2 optical ly coupled isol ator photodarlington output mca230x, mca231x, mca255x mca230, mca231, mca255 description the mca230, mca231, mca255 series of optically coupled isolators consist of an infrared light emitting diode and npn silicon photodarlington in a space efficient dual in line plastic package. fe atures l options :- 10mm lead spread - add g after part no. surface mount - add sm after part no. tape&reel - add smt&r after part no. l high current transfer ratio l high isolation v oltage (5.3kv rms ,7.5kv pk ) l all electrical parameters 100% tested l custom electrical selections available applic ations l computer terminals l industrial systems controllers l measuring instruments l signal transmission between systems of different potentials and impedances 1 3 2 4 6 5 dimensions in mm 3.3 2.54 6.4 6.2 1.54 8.8 8.4 4.3 4.1 0.5 0.5 0.3 7.8 7.4 9.6 8.4 absolute maximum r atings (25c unless otherwise specified) storage temperature -55c to + 150c operating temperature -55c to + 100c lead soldering temperature (1/16 inch (1.6mm) from case for 10 secs) 260c input diode forward current 60ma reverse v oltage 5v power dissipation 105mw output transistor collector-emitter v oltage bv ceo mca255 55v mca230, mca231 30v collector-base v oltage bv cbo mca255 55v mca230, mca231 30v emitter-collector v oltage bv eco 7v power dissipation 150mw power dissi pa tion total power dissipation 250mw (derate linearly 3.3mw/ c above 25c) appro v als l ul recognised, file no. e91231 ' x' specific ation appro v als l vde 0884 in 2 available lead form : - - std - g form vde 0884 insmd approval pending l seti approved, reg. no.151786-18 10.16 0.26 option g 5.08 max. sur face mount option sm 1. 2 0. 6 1. 4 0.9 10. 2 9.5
parameter min typ max units test condition input forward voltage (v f ) 1.2 1.5 v i f = 20ma reverse voltage (v r ) 3 v i r = 10 m a reverse current (i r ) 10 m a v r = 3v output collector-emitter breakdown (bv ceo ) mca230, mca231 30 v i c = 100 m a (note 2) mca255 55 v i c = 100 m a (note 2) collector-base breakdown (bv cbo ) mca230, mca231 30 v i c = 10 m a (note 2) mca255 55 v i c = 10 m a (note 2) emitter-collector breakdown (bv eco ) 5 v i e = 10 m a collector-emitter dark current (i ceo ) 100 na v ce = 10v coupled collector output current ( i c ) (note 2 ) mca230, mca255 100 % 10ma i f , 5v v ce mca231 200 % 10ma i f , 5v v ce collector-emitter saturation voltagev ce(sat) mca230, mca255 1.0 v 50ma i f , 50ma i c mca231 1.0 v 1ma i f , 2ma i c 1.0 v 5ma i f , 10ma i c 1.2 v 10ma i f , 50ma i c input to output isolation voltage v iso 5300 v rms (note 1) 7500 v pk (note 1) input-output isolation resistance r iso 5x10 10 w v io = 500v (note 1) output turn on time ton 10 m s v cc = 2v,r l = 100 w, output turn off time toff 100 m s i f = 10ma , fig.1 electrical characteristics ( t a = 25c unless otherwise noted ) note 1 measured with input leads shorted together and output leads shorted together. note 2 special selections are available on request. please consult the factory. db92189-aas/a2 7/12/00 input output 10% 90% 10% 90% t off t r t on t f output v cc = 10v 100 w input figure 1 i f = 10ma
db92189-aas/a2 7/12/00 50 -30 0 25 50 75 100 125 ambient temperature t a ( c ) 150 0 200 ambient temperature t a ( c ) collector power dissipation p c (mw) 60 20 0 40 -30 0 25 50 75 100 125 collector power dissipation vs. ambient temperature forward current vs. ambient temperature -30 0 25 50 75 100 ambient temperature t a ( c ) collector-emitter saturation voltage v ce(sat) (v) collector-emitter saturation voltage vs. ambient temperature 100 0 0.2 0.4 0.6 0.8 1.0 1.2 forward current i f (ma) i f = 50ma i c = 50ma 80 100 0 0.5 1.0 1.5 relative current transfer ratio vs. ambient temperature relative current transfer ratio -30 0 25 50 75 100 ambient temperature t a ( c ) i f = 10ma v ce = 5v 0 10 current transfer ratio vs. forward current forward current i f (ma) current transfer ratio ctr (%) collector current vs. collector-emitter voltage collector-emitter voltage v ce ( v ) collector current i c (ma) 0 1 2 3 4 5 0 20 40 60 80 100 2ma 5ma 10ma 0.1 0.2 0.5 1 2 5 10 20 50 100 10000 1000 100 v ce = 5v t a = 25c i f = 1ma 20 50ma t a = 25c 50 5000 800 500
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