integrated circuit r dc components co., ltd. technical specifications of 3-terminal positive voltage regulator description these regulators empoly internal current limiting and thermalshutdown, making them essentially indestructible. they can deliver over 1a output current with adequate heatsinking. they are intended as fixed voltage regulators in a wide range of applications including local, on-card regulation for elimination of noise and distribution problems associated with single-point regulation. pinning 1 = input2 = ground 3 = output de7808DE7808A characteristic symbol rating unit input voltage vi 35 v total power dissipation pd internal limit w operating temperature range topr 0 to +125 oc maximum junction temperature tj 125 oc storage temperature range tstg -55 to +150 oc lead temperature(soldering 10 sec.) tl 230 oc absolute maximum ratings (ta=25oc) characteristic symbol min typ max unit test conditions DE7808A 7.76 8.00 8.24 tj=25oc output voltage de7808 vo 7.70 8.00 8.30 v DE7808A 7.76 8.00 8.24 pd 15w, 5ma io 1a de7808 7.60 8.00 8.40 DE7808A - 5.0 80 tj=25oc, 10.5v vin 25v line regulation de7808 regline - 5.0 160 mv DE7808A - 5.0 40 tj=25o c, 11.5v vin 17v de7808 - 2.0 80 DE7808A - - 100 tj=25oc, 5ma io 1.5a load regulation de7808 regload - - 160 mv DE7808A - - 50 tj=25oc, 250ma io 750ma de7808 - - 80 input bias current iib - 5.5 8.0 ma tj=25oc, io 1a input bias current change diib - - 0.5 ma 5ma io 1a - - 1.3 10.5v vin 25v output noise voltage DE7808A vn - - 200 mv ta=25oc, 10hz f 100khz de7808 - - 300 ripple rejection DE7808A rr - 68 - db 11.5v vin 21.5v, f=120hz de7808 62 73 - dropout voltage DE7808A vd - 2.0 - v tj=25oc, io=1a de7808 - 2.5 - short circuit current isc - 1.5 - a tj=25oc peak output current imax 1.7 - - a tj=25oc average t c of vout dvo / dt - -0.8 - mv / oc 0oc tj +125oc, io=5ma electrical characteristics( vin =14v, iout=500ma, 0oc tj 125oc, unless otherwise specified) to-220ab dimensions in inches and (millimeters) .625(15.87).570(14.48) .350(8.90).330(8.38) .562(14.27).500(12.70) .055(1.39).045(1.15) .185(4.70).173(4.40) .405(10.28) .380(9.66) .295(7.49).220(5.58) .640 (16.25) typ .055(1.40).045(1.14) .037(0.95).030(0.75) .100 (2.54) typ .024(0.60).014(0.35) f.151 f(3.83) typ 1 2 3
|
