3.5 - 119 3.5 three terminal, fixed voltage, 1.5 amp precision positive regulators in hermetic surface mount package 4 11 r1 supersedes 1 05 r0 hermetic surface mount fixed voltage positive regulators features ? hermetic surface mount package ? output voltages: +5v, +12v, +15v ? output voltages set internally to 1% ? built-in thermal overload protection ? short circuit current limiting ? product is available hi-rel screened description these three terminal positive regulators are supplied in a hermetically sealed surface mount package. all protective features are designed into the circuit including thermal shutdown, current limiting and safe-area control. with heat sinking, they can deliver over 1.5 amps of output current. these units feature internally trimmed output voltages to 1% of nominal voltage. standard voltages are +5v, +12v, and +15v. these units are ideally suited for military applications where a hermetic surface mount package is required. absolute maximum ratings input to output voltage differential .......................................+ 35 v operating junction temperature range ........................- 55 c to + 150c storage temperature range .................................- 55 c to + 150c typical power/thermal characteristics: rated power @ 25c t c .......................................................... 17.5w t a .............................................................3w thermal resistance: jc ........................................................3.5c/w ja ........................................................42c/w lead temperature at case (5 sec) .................................225c om7631nm om7629nmom7630nm downloaded from: http:///
3.5 - 120 om7629nm - om7631nm 3.5 electrical characteristics 12 volt v in = 19v, i o = 500ma, -55c t a 125c (unless otherwise specified) parameter symbol test conditions min. max. unit output voltage v out t a = 25c 11.88 12.12 v v in = 14.5v to 27v ? 11.64 12.36 v line regulation v rline v in = 14.5v to 27v 18 mv (note 1) ? 50 mv v in = 16v to 22v 9 mv ? 30 mv load regulation v rload i o = 5ma to 1.5 amp 32 mv (note 1) ? 60 mv i o = 250ma to 750 ma 20 mv ? 40 mv standby current drain i scd 6.0 ma ? 6.5 ma standby current drain ? i scd v in = 15v to 30v ? 0.8 ma change with line (line) standby current drain ? i scd i o = 5ma to 1000ma ? 0.5 ma change with load (load) dropout voltage v do ? v out = 100mv, i o = 1.0a ? 2.5 v peak output current i o (pk) t a = 25c 1.5 3.3 a short circuit current i ds v in = 35v 1.2 a (note 2) ? 2.8 a ripple rejection ? v in f =120 hz, ? v in = 10v 61 db ? v out (note 3) ? 54 db output noise voltage n o t a = 25c, f =10 hz to 100khz 40 v/v (note 3) rms long term stability ? v out t a = 25c, t = 1000 hrs. 120 mv (note 3) ? t notes: 1. load and line regulation are specified at a constant junction temperature. pulse testing with low duty cycle is used. changes in output voltage due to heating effects must be taken into account separately. 2. short circuit protection is only assured up to v in = 35v. 3. if not tested, shall be guaranteed to the specified limits. the ? denotes the specifications which apply over the full operating temperature range. electrical characteristics 5 volt v in = 10v, i o = 500ma, -55c t a 125c (unless otherwise specified) parameter symbol test conditions min. max. unit output voltage v out t a = 25c 4.92 5.08 v v in = 7.5v to 20v ? 4.85 5.15 v line regulation v rline v in = 7.5v to 20v 5 mv (note 1) ? 12 mv v in = 8.0v to 12v 4 mv ? 10 mv load regulation v rload i o = 5ma to 1.5 amp 12 mv (note 1) ? 25 mv i o = 250ma to 750 ma 6 mv ? 15 mv standby current drain i scd 6m a ? 6.5 ma standby current drain ? i scd v in = 7.5v to 20v ? 0.8 ma change with line (line) standby current drain ? i scd i o = 5ma to 1000ma ? 0.5 ma change with load (load) dropout voltage v do t a = 25c, ? v out = 100mv, i o = 1.0a 2.5 v peak output current i o (pk) t a = 25c 1.5 3.3 a short circuit current i ds v in = 35v 1.2 a (note 2) ? 2.8 a ripple rejection ? v in f =120 hz, ? v in = 10v 66 db ? v out (note 3) ? 60 db output noise voltage n o t a = 25c, f =10 hz to 100khz 40 v/v (note 3) rms long term stability ? v out t a = 25c, t = 1000 hrs. 75 mv (note 3) ? t downloaded from: http:///
3.5 - 121 om7629nm - om7631nm 3.5 electrical characteristics 15 volt v in = 23v, i o = 500ma, -55c t a 125c (unless otherwise specified) parameter symbol test conditions min. max. unit output voltage v out t a = 25c 14.8 15.2 v v in = 18.5v to 30v ? 14.6 15.4 v line regulation v rline v in = 17.5v to 30v 20 mv (note 1) ? 50 mv v in = 20v to 26v 15 mv ? 25 mv load regulation v rload i o = 5ma to 1.5 amp 35 mv (note 1) i o = 5ma to 1.0 amp ? 75 mv i o = 250ma to 750 ma 21 mv ? 45 mv standby current drain i scd 6.0 ma ? 6.5 ma standby current drain ? i scd v in = 18.5v to 30v ? 0.8 ma change with line (line) standby current drain ? i scd i o = 5ma to 1000ma ? 0.5 ma change with load (load) dropout voltage v do t a = 25c, ? v out = 100mv, i o = 1.0a 2.5 v peak output current i o (pk) t a = 25c 1.5 3.3 a short circuit current i ds v in = 35v 1.2 a (note 2) ? 2.8 a ripple rejection ? v in f =120 hz, ? v in = 10v 54 db ? v out (note 3) ? 52 db output noise voltage n o t a = 25c, f =10 hz to 100khz 40 v/v (note 3) rms long term stability ? v out t a = 25c, t = 1000 hrs. 150 mv (note 3) ? t notes: 1. load and line regulation are specified at a constant junction temperature. pulse testing with low duty cycle is used. changes in output voltage due to heating effects must be taken into account separately. 2. short circuit protection is only assured up to v in = 35v. 3. if not tested, shall be guaranteed to the specified limits. the ? denotes the specifications which apply over the full operating temperature range. 3.5 3 2.5 2 1.5 1 0.5 0 0 5 10 15 20 25 30 35 peak output current ? v out = 100mv t j = -55c t j = 25c t j = 150c 2.5 2 1.5 1 0.5 0 -75-50 -25 0 2 5 5 0 7 5 1 0 0 1 2 51 5 0 dropout voltage ? v out = 100mv i out = 0a i out = 500ma i out = 1a 100 8060 40 20 0 10 100 1k 10k ripple rejection v out = 5v v in - v = 8v dc +3.5v rms i out = 1a t j = 25c typical performance characteristics input to output differential (v) junction temperature (c) frequency (hz) output current (a) input to output differential (v) ripple rejection (db) downloaded from: http:///
om7629nm - om7631nm typical applications pin connection mechanical outline fixed output regulator circuit for increasing output voltage high output current, short circuit protected adjustable output regulator, 7 to 30 volts * increasing value of output capacitor improves system transient response t required only if regulator is located an appreciable distance from power supply filter.
12 3 .500 .140 .415 .157 .015 .140 .140 .075 .075 .062 .375 .030 min. top view side view bottom view .625 pin 1: in pin 2: out pin 3: ground om7629nm input 0.33 f t 0.1 f * output 12 3 om7629nm input 2n6124 2n4398 0.33 f 0.1 f output 1 r sc r 1 3? 2 3 om7629nm input 0.33 f 0.1 f output 1 2 3 1k? 10k - lm741 + om7629nm input 0.33 f i q 0.1 f vxx r1r2 output 12 3 v o = vxx (1 + r2 ) + i q r2 r1 downloaded from: http:///
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