data sheet www.rohm.com ? 2011 rohm co., ltd. all rights reserved. power supply monitor devices eml22/UML23N ? features ? dimensions (unit : mm) 1) packaging zener diode and small-signal amplifier transistor2) using outside connection able to use power supply monitor device 3) when use power supply monitor device, temparature drift characteristics of detect voltage is about 150 ppm/oc. ? applications protection of over load of power supply. ? packaging specifications and marking eml22 UML23N emt6 umt6 l22 l23 t2r tr 8000 3000 ? absolute maximum ratings (ta=25c) ? internal circuit tr symbol limits unit (1) anode di v cbo 60 v (2) base tr v ceo 50 v (3) emitter tr v ebo 7v (4) collector tr i c 150 ma (5) n.c. p d 120 mw (6) cathode di di symbol limits unit p d 120 mw tr and di symbol limits unit p d 150 mw tj 150 c tstg ? 55 to ? 150 c *1 mounted on reference land. range of storage temperature collector-base voltagecollector-emitter voltage emitter-base voltage collector current power dissipation power dissipation power dissipation parameter junction temperature parameter type packagemarking code basic ordering unit (pieces) parameter *1*1 (6) (5) (4) (1) (2) (3) *1 emt6 (1) (2) (3) (4) (5) (6) umt6(sc-88) (1) (2) (3) (6) (5) (4) marking : "l22"(emt6) marking : "l23"(umt6) 1/4 2011.10 - rev.a downloaded from: http:///
www.rohm.com ? 2011 rohm co., ltd. all rights reserved. data sheet eml22/UML23N ? electrical characteristics (ta = 25c) tr symbol min. typ. max. unit bv ceo 50 v i c =1 a bv cbo 60 v i c =50 a bv ebo 7 v i e =50 a i cbo 100 na v cb =60v i ebo 100 na v eb =7v v ce(sat) 400 mv i c /i b =50ma/5ma h fe 120 390 v ce =6v,i c =1ma di symbol min. typ. max. unit v z 6.58 6.80 7.00 v i z =5ma i r 0.5 ma v r =3.5v reverse current 180 mhz output capacitance f t zener voltage pf c ob 2 transition frequency v cb =12v,i e =0a, f=1mh parameter conditions emitter-base breakdown voltagecollector cut-off current v ce =12v,i e = ? 2ma, f=100mh parameter conditions collector-emitter brekdown voltagecollector-base breakdown voltage emitter cut-off current collector-emitter saturation voltage dc current gain 2/4 2011.10 - rev.a downloaded from: http:///
www.rohm.com ? 2011 rohm co., ltd. all rights reserved. data sheet eml22/UML23N ? electrical characteristic curves 0.1 1 10 100 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 collector current : i c (ma) base to emitter voltage : v be (v) v ce =6v ta=125 ta= 75 ta= 25 ta= - 25 fig. 1 grounded emitter propagation characteristics 0 20 40 60 80 100 0 0.4 0.8 1.2 1.6 2 collector current : i c (ma) collector to emitter voltage : v ce (v) i b =0a 0.05ma 0.10ma 0.15ma 0.20ma 0.50ma 0.45ma 0.40ma 0.35ma 0.30ma 0.25ma fig. 2 grounded emitter output characteristics ( ) 0 2 4 6 8 10 12 14 0 2 4 6 8 10 12 14 16 18 20 collector current : i c (ma) collector to emitter voltage : v ce (v) i b =0a 5 m a 10 m a 15 m a 20 m a 25 m a 30 m a 35 m a 40 m a 45 m a 50 m a fig. 3 grounded emitter output characteristics ( ) 10 100 1000 0.1 1 10 100 1000 dc current gain : h fe collector current : i c (ma) ta=25oc v ce =6v 3v 1v fig.4 dc current gain vs. collector current characteristics ( ) 10 100 1000 0.1 1 10 100 1000 dc current gain : h fe collector current : i c (ma) v ce =6v ta=125 ta= 75 ta= 25 ta= - 25 fig. 5 dc current gain vs. collector current characteristics ( ) 0.01 0.1 1 0.1 1 10 100 1000 collector saturation voltage : v ce(sat) (v) collector current : i c (ma) ta=25oc i c /i b =50 20 10 fig. 6 collector saturation voltage vs. collector current characteristics( ) 0.01 0.1 1 0.1 1 10 100 1000 collector saturation voltage : v ce(sat) (v) collector current : i c (ma) i c /i b =10 ta=125 ta= 75 ta= 25 ta= - 25 fig. 7 collector saturation voltage vs. collector current characteristics( ) 0.01 0.1 1 0.1 1 10 100 collector saturation voltage : v ce(sat) (v) collector current : i c (ma) i c /i b =50 ta=125 ta= 75 ta= 25 ta= - 25 fig. 8 collector saturation voltage vs. collector current characteristics( ) 3/4 2011.10 - rev.a downloaded from: http:///
www.rohm.com ? 2011 rohm co., ltd. all rights reserved. data sheet eml22/UML23N ? measurement circuits 6.8 7 7.2 7.4 7.6 7.8 -50 -25 0 25 50 75 100 125 v ce = 2v i c =10ma temperature : ta(oc) reference voltage : v ref (v) fig.16 reference voltage vs temperature characteristics temperature coefficient : 155ppm/ 2v v ref i c gnd fig 17 reference voltage vs temperature characteristics mesurement circuit 4/4 2011.10 - rev.a downloaded from: http:///
r1120 a www.rohm.com ? 2011 rohm co., ltd. all rights reserved. notice rohm customer support system http://www.rohm.com/contact/ thank you for your accessing to rohm product informations. more detail product informations and catalogs are available, please contact us. notes downloaded from: http:///
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