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| ? 1 3 12 4 3 ???? 5.0v ref 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ?2? ?? ? - ?2? ?? ? - ?? 0.7v q1 q2 vcc 1 2 ?a??????a cw 494lp ?a1???1??????|?a 1. ?????? cw494lp ???a?3??????????a1???1??????|?a ????1 ???? ?2?? ?? ??? ff( ?? ) ?3??????a ?3????1o????????a113 ?3????1? 1???3??????a?????1??????1 ??????a ?3?? i o =200ma 1?a f=1 300khz ????????e??2???? ??? 5v ????1 ??????3??? ae? ? dip16 2. 1|????y???? 2. 1 1|??? ?t?y?a???1ye?t1??? ?? ?-????t?yeo?aa 14 o? ?? 0510 5807123 - 5542 ??? 0510 5803016
?a??????a cw494lp ? 2 3 12 4 3 2. 2 y???? y?? ? o? 1| ? y?? ? o? 1| ? 1 amp err1 + ?2???? 1+ 9 gnd out1 ?3?? 1 2 amp err1 - ?2???? 1 - 10 gnd out2 ?3?? 2 3 in cpwm pw m ???? 11 out 2 ?3??? 2 4 con tde ?????????? 12 v cc ?? 5 c osc ???? 13 con out ?3??????? 6 r osc ???? 14 v ref ???? 7 gnd ? 15 amp err2 - ?2???? 2 - 8 out 1 ?3??? 1 16 amp err2 + ?2???? 2+ 3. ??e? 3. 1 ???t2?y 3y?e1?? t amb = 25 2? y ?? 3? ? o? ?? ? ? ? ?? ????1 v cc 41 v ????1 v i vcc+0.3 v ?3???1 v o 41 v ?3?? i o 250 ma 1|o? p d 1000 mw 1??3?a? t amb - 20~85 ??a? t stg - 55~150 1???a? t pin 260 10 se 25 ?? ?a???y?? 1 ???1|o??? 9.2mw 3. 2 ??e? 3y?e1?? t amb = 25 1? ? ? 2? y ?? 3? ? o? 2a ? ? ?t ?e? ?e ?? ??? v cc =15v 6 10 ?2?? i ccq v cc = 40v 9 15 ma ???? i cc v t4 =2v 7.5 ma ???2?? ??????? v in =0~5.25v - 2 - 10 ua ???????? mdc ??3? v t4 =0 45 % ?????? 0 3 3.3 ?? 4 ?e????1 v th ?????? 0 v v th ?? 4 ?e????1 ?????? 0 4 4.5 v ?? 3 ?e????1 i in ?? 4 ?e????1 v t3 =0.7v 0.3 0.7 ma ?2???? ?|??1 v io v t3 =2 .5 v 2 10 mv ? ? i io v t3 =2 .5 v 25 250 na ??????? i ib v t3 =2 .5 v 0.2 1 ua e??a ?a??????a cw494lp ? 3 3 12 4 3 ?? 1? ? ? 2? y ?? 3? ? o? 2a ? ? ?t ?e? ?e ?? ??? ??1??? a v v out =3v v out =0.5~3.5v 70 95 db 12???? ??1?? cmr v cc =40v 65 80 db v id = - 15mv~ - 5v v t3 =0.7v 0.3 0.7 ma ??? i sink v id =15mv~5v v t3 =3.5v - 2 ma ?3???a ?????aa? i ceo v ce =40v v cc =40v 2 100 ua l????aa? i ebo v cc =v c =40v v e =0v - 150 ua v e =0 ic=200ma l???1?12 1.1 1.5 v o?1? v sat v c =12v i c = - 200ma l???1?12 1.5 2.5 v l???1?12 100 200 ?y?? t r l???1?12 100 200 ns l???1?12 25 100 ?a???? t f l???1?12 40 100 ns ?3???????? i cont v in =v ref 3.5 ma ????1 ????1 v ref v out =1ma 4.75 5 5.25 v ????1 ??1?? v out / v cc v cc =7~40v 2 25 mv ????1 ??? v out / i out i out =1~10ma 1 15 mv ????1?a? v out t amb = ??a??? 0.2 1 % ?????a ?a?3?? i os v ref =0 10 35 50 ma ???? f osc c t =0.01 uf r t =12k 10 khz ?2y??? 10 % ?a??1?? v cc =7~40v 0.1 % ?a?a? f osc c t =0.01uf r t =12k t amb = ??a??? 2 % ?a??????a cw494lp ? 4 3 12 4 3 4. 2a???a 5. ae?3?? 16 13 2 1 6 5 4 3 14 10 11 9 8 12 15 7 cw494lp 2a??? 12k |? 0.01uf 50k |? vcc=12v 150 |? /2w 150 |? /2w ?3? 2 ?3? 1 |
Price & Availability of CD494LP
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