elektronische bauelemente se79xx-b series 3-terminal negative voltage regulator 17-oct-2010 rev. b page 1 of 4 http://www.secosgmbh.com/ any changes of specification will not be informed individually. rohs compliant product a suffix of ?-c? specifies halogen or lead -free description the se79xx-b series of fixed-voltage monolithic integrated-circuit voltage regul ators designed to complement series se78xx-b in a wide range of applications. these applications include on-card regulation for elimination of noise and distribution problems associated with single-point regulation. each of these regulators can deliver up to 1a of output current. the internal current limiting and thermal shutdown features of these regulators make them essentially immune to overload. in addition to use as fixed-voltage regulators, these devices can be used with external components to obtain adjustable output voltage and current and also as the power pass element in precision regulators. features ? internal short-circuit current limiting ? -5v, -6v, -8v, -12v output voltage available ? output transistor safe-area compensation ? no external components ? internal thermal overload protection typical application maximum ratings parameter symbol ratings unit input voltage 5v~12v v in -35 v output current i o 1.5 a operating junction temperature range t j 0~125 storage temperature range t stg -55~150 c thermal resistance junction-air r ja 65 c / w thermal resistance junction-cases r jc 5 c / w to-220j
elektronische bauelemente se79xx-b series 3-terminal negative voltage regulator 17-oct-2010 rev. b page 2 of 4 http://www.secosgmbh.com/ any changes of specification will not be informed individually. se7905 electrical characteristics (refer to the test circuits, t j =0~125c, i o =500ma, v in = -10v, c in =0.33 f, c o =0.1 f unless otherwise specified) symbol test conditions min typ max unit v in = -10v, i o =500ma, t j =25c -4.8 -5 -5.2 v o -7.5v Q v in Q -20v, 5ma Q i o Q 1a, p d Q 15w -4.75 -5 -5.25 v -7v Q v in Q -25v, t j =25c - 12.5 50 ? v o (line regulation) -8v Q v in Q -12v, t j =25c - 4 15 mv 5ma Q i o Q 1.5a, t j =25 c - 15 100 ? v o (load regulation) 250ma Q i o Q 750ma, t j =25 c - 5 50 mv i q t j =25 c - 1.5 2 ma 5ma Q i o Q 1a - - 0.5 ? i q -7v Q v in Q- 25v - - 0.5 ma v n 10hz Q f Q 100khz, t j =25 c - 125 - v rr -8v Q v in Q- 18v, f=120hz 54 60 - db v d io=1a, t j =25c - 1.1 - v i pk ? t j =25c - 2.1 - a ? v o / ? tj i o =5ma - -0.4 - mv / c se7906 electrical characteristics (refer to the test circuits, t j =0~125c, i o =500ma, v in = -11v, c in =0.33 f, c o =0.1 f unless otherwise specified) symbol test conditions min typ max unit v in = -11v, i o =500ma, t j =25c -5.75 -6 -6.25 v o -8v Q v in Q -21v, 5ma Q i o Q 1a, p d Q 15w -5.7 -6 -6.3 v -8v Q v in Q -25v, t j =25c - 12.5 120 ? v o (line regulation) -9v Q v in Q -13v, t j =25c - 4 60 mv 5ma Q i o Q 1.5a, t j =25 c - 15 120 ? v o (load regulation) 250ma Q i o Q 750ma, t j =25 c - 5 60 mv i q t j =25 c - 1.5 2 ma 5ma Q i o Q 1a - - 0.5 ? i q -8v Q v in Q- 25v - - 1.3 ma v n 10hz Q f Q 100khz, t j =25 c - 150 - v rr -9v Q v in Q- 19v, f=120hz 54 60 - db v d io=1a, tj=25c - 1.1 - v i pk ? t j =25c - 2.1 - a ? v o / ? tj i o =5ma - -0.4 - mv / c
elektronische bauelemente se79xx-b series 3-terminal negative voltage regulator 17-oct-2010 rev. b page 3 of 4 http://www.secosgmbh.com/ any changes of specification will not be informed individually. se7908 electrical characteristics (refer to the test circuits, t j =0~125 c, i o =500ma, v in = -14v, c in =0.33 f, c o =0.1 f unless otherwise specified) symbol test conditions min typ max unit v in = -14v, i o =500ma, t j =25c -7.7 -8 -8.3 v o -10.5v Q v in Q -23v, 5ma Q i o Q 1a, p d Q 15w -7.6 -8 -8.4 v -10.5v Q v in Q -25v, t j =25c - 12.5 160 ? v o (line regulation) -11v Q v in Q -17v, t j =25c - 4 80 mv 5ma Q i o Q 1.5a, t j =25 c - 15 160 ? v o (load regulation) 250ma Q i o Q 750ma, t j =25 c - 5 80 mv i q t j =25 c - 1.5 2 ma 5ma Q i o Q 1a - - 0.5 ? i q -10.5v Q v in Q- 25v - - 1 ma v n 10hz Q f Q 100khz, t j =25 c - 200 - v rr -11.5v Q v in Q- 21.5v, f=120hz 54 60 - db v d io=1a, t j =25c - 1.1 - v i pk ? t j =25c - 2.1 - a ? v o / ? tj i o =5ma - -0.6 - mv / c SE7912 electrical characteristics (refer to the test circuits, t j =0~125 c, i o =500ma, v in = -19v, c in =0.33 f, c o =0.1 f unless otherwise specified) symbol test conditions min typ max unit v in = -19v, i o =500ma, t j =25c -11.5 -12 -12.5 v o -14.5v Q v in Q -27v, 5ma Q i o Q 1a, p d Q 15w -11.4 -12 -12.6 v -14.5v Q v in Q -30v, t j =25c - 5 80 ? v o (line regulation) -16v Q v in Q -22v, t j =25c - 3 30 mv 5ma Q i o Q 1a, t j =25 c - 15 200 ? v o (load regulation) 250ma Q i o Q 750ma, t j =25 c - 5 75 mv i q t j =25 c - 2 3 ma 5ma Q i o Q 1a - - 0.5 ? i q -14.5v Q v in Q- 30v, i o =500ma - - 0.5 ma v n 10hz Q f Q 100khz, t j =25 c - 300 - v rr -15v Q v in Q- 25v, f=120hz 55 60 - db v d io=1a, t j =25c - 1.1 - v i pk ? t j =25c - 2.1 - a ? v o / ? tj i o =5ma - -0.8 - mv / c
elektronische bauelemente se79xx-b series 3-terminal negative voltage regulator 17-oct-2010 rev. b page 4 of 4 http://www.secosgmbh.com/ any changes of specification will not be informed individually. characteristics curve
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