3.3 - 87 3.3 three terminal, fixed voltage, 1.5 amp precision negative regulators in hermetic jedec to-3 package 4 11 r0 hermetic to-3 fixed voltage negative regulators approved to desc drawings features ? output voltages: -5v, -12v, -15v ? output voltages set internally to 1% ? built-in thermal overload protection ? short circuit current limiting ? similar to industry standards 7905, 7912, 7915 ? hi-rel screening available description these three terminal negative regulators are supplied in a hermetically sealed to-3 metal 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, -15v. these units are ideally suited for military applications where a hermetically sealed package is required. part number designator standard military drawing number omnirel part number 5962-8874601 yx OM1905NKM 5962-8874701 yx om1912nkm 5962-8874801 yx om1915nkm om1915nkm OM1905NKM om1912nkm
3.3 - 88 OM1905NKM - om1915nkm 3.3 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 -4.95 -5.05 v v in = -7.5v to -20v ? -4.85 -5.15 v i o = 5ma to 1.0 a, p< 20w line regulation v rline v in = -7.5v to -20v 12 mv (note 1) ? 25 mv (note 4) v in = -8.0v to -12v 5 mv ? 12 mv load regulation v rload i o = 5ma to 1.5 amp 20 mv (note 1) ? 25 mv i o = 250ma to 750 ma 15 mv ? 30 mv standby current drain i scd 2.5 ma ? 3.0 ma standby current drain d i scd v in = -7.0v to -20v ? 0.4 ma change with line (line) standby current drain d i scd i o = 5ma to 1000ma ? 0.4 ma change with load (load) dropout voltage v do d 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 d v in f =120 hz, d v in = -10v 63 db d 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 d v out t a = 25c, t = 1000 hrs. 75 mv (note 3) d 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. absolute maximum ratings @ 25c input voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -35 v operating junction temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . .- 55c to + 150c storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 65c to + 150c typical power/thermal charateristics: rated power @ 25 c t c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20w t a . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.6w thermal resistance q jc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2c/w aa q ja . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42c/w
3.3 - 89 OM1905NKM - om1915nkm 3.3 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 i o = 5ma to 1.0 a, p d < 20w line regulation v rline v in = -14.5v to -27v 20 mv (note 1) ? 50 mv (note 4) v in = -16v to -22v 10 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 16 mv ? 30 mv standby current drain i scd 3.5 ma ? 4.0 ma standby current drain d i scd v in = -14.5v to -27v ? 0.8 ma change with line (line) standby current drain d i scd i o = 5ma to 1000ma ? 0.5 ma change with load (load) dropout voltage v do d v out = 100mv, i o = 1.0a ? 1.8 v peak output current i o (pk) t a = 25c, i o = 5ma to 1a 1.5 3.3 a short circuit current i ds v in = -35v 1.2 a (note 2) ? 2.8 a ripple rejection d v in f =120 hz, d v in = -10v 56 db d v out (note 3) ? 53 db output noise voltage n o t a = 25c, f =10 hz to 100khz 40 v/v (note 3) rms long term stability d v out t a = 25c, t = 1000 hrs. 120 mv (note 3) d 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. 4. minimum load current for full line regulation = 5.0 ma. mechanical outline 1.197 1.177 0.675 0.655 0.188 r. max. 0.440 0.420 0.161 0.151 0.525 r. max. 0.225 0.205 seating plane 0.312 min. 0.450 0.250 0.043 0.038 2 plcs. 0.135 max. 0.875 max. 1.53 ref. pin connection pin 1: ground pin 2: output case: input 2 1
OM1905NKM - om1915nkm 3.3 205 craw ford street, leominster, ma 01453 usa (508) 534-5776 fax (508) 537-4246 205 craw ford street, leominster, ma 01453 usa (508) 534-5776 fax (508) 537-4246 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 -14.85 -15.15 v v in = -17.5v to -30v ? -14.55 -15.45 v i o = 5 ma to 1.0 a, p d < 20 w line regulation v rline v in = -17.5v to -30v 25 mv (note 1) ? 50 mv (note 4) v in = -20v to -26v 15 mv ? 25 mv load regulation v rload i o = 5ma to 1.5 amp 35 mv (note 1) ? 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 d i scd v in = -17.5v to -30v ? 0.8 ma change with line (line) standby current drain d i scd i o = 5ma to 1000ma ? 0.5 ma change with load (load) dropout voltage v do d 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 d v in f =120 hz, d v in = -10v 53 db d v out (note 3) ? 50 db output noise voltage n o t a = 25c, f =10 hz to 100khz 40 v/v (note 3) rms long term stability d v out t a = 25c, t = 1000 hrs. 150 mv (note 3) d 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. 4. minimum load current for full line regulation = 5.0 ma. 3.5 3 2.5 2 1.5 1 0.5 0 0 5 10 15 20 25 30 35 peak output current d v out = 100mv t j = t j = 25c t j = 150c input to output differential (v) 2.5 2 1.5 1 0.5 0 -75 -50 -25 0 25 50 75 100 125 150 dropout voltage d v out = 100mv i out = 0a i out = 500ma i out = 1a junction temperature (c) 100 80 60 40 20 0 10 100 1k 10k 100k ripple rejection v out = 5v v in - v = 8v dc +3.5v rms i out = 1a t j = 25c frequency (hz) typical performance characteristics output current (a) output current (a) ripple rejection (db)
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