3.3 - 223 3.3 three terminal, fixed voltage, -1.5 amp internally compensated, precision negative regulators in hermetic to-254aa package 4 11 r1 supersedes 2 07 r0 isolated hermetic to-254aa fixed voltage regulators with internal capacitor compensation features ? isolated hermetic package, to-254 ? output voltages: -5v, -12v, -15v ? output voltages set internally to 1% ? built-in thermal overload protection ? internally compensated ? product is available screened to om803 description these three (3) terminal negative regulators are supplied in a hermetically sealed to-254 metal package. all protective features are designed into the circuit, including thermal shutdown, current limiting and safe-area control. these unitsare internally compensated, thus improving stability and transient response of the regulator. external capacitors are not required in most applications. these units are highly desirable for use in a high density design where space is a major consideration. standard voltages are -5v, -12v, and -15v. these units are trimmed to 1% of nominal voltage. om7900ea series input output 2 1 3 2.2? 50v 1.5? 35v om79xx + + .144 dia. .050 .040 .260 .249 .685 .665 .800 .790 .545 .535 .550 .510 .045 .035 .550 .530 .150 typ. .150 typ. .005 123 pin 1: ground pin 2: input pin 3: output mechanical outline schematic omnirel output part number voltage om7905ea -5 v OM7912EA -12 v om7915ea -15 v
3.3 - 224 3.3 om7900ea series 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 line regulation v rline v in = -7.5v to -20v 12 mv (note 1) ? 25 mv v in = -8.0v to -12v 5 mv ? 12 mv load regulation v rload i o = 5ma to 1.5a 20 mv (note 1) ? 25 mv i o = 250ma to 750ma 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 66 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 guaranteed from -55 c to +85c. above +85c, v in = -30v. 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 input voltage .................................................................. -35 v* operating junction temperature range .................................- 55c to + 150c storage temperature range ..........................................- 65c to + 150c typical power/thermal characteristics: rated power @ 25 c t c .....................................................15w t a ......................................................3w thermal resistance q jc (case u) ........................................ 4.2c/w q jc (case t) ......................................... 3.5c/w aa q ja ................................................. 42c/w * derated to 30v above 85c due to derating of the imput capacitor. om7905ea electrical characteristics: -5 volt
3.3 - 225 3.3 om7900ea series 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 20 mv (note 1) ? 50 mv v in = -16v to -22v 10 mv ? 30 mv load regulation v rload i o = 5ma to 1.5a 32 mv (note 1) ? 60 mv i o = 250ma to 750ma 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 guaranteed from -55 c to +85c. above +85c, v in = -30v. 3. if not tested, shall be guaranteed to the specified limits. the ? denotes the specifications which apply over the full operating temperature range. OM7912EA electrical characteristics: -12 volt
3.3 205 craw ford street, leominster, ma 01453 usa (508) 534-5776 fax (508) 537-4246 om7900ea series 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 line regulation v rline v in = -17.5v to -30v 25 mv (note 1) ? 50 mv v in = -20v to -26v 15 mv ? 25 mv load regulation v rload i o = 5ma to 1.5a 35 mv (note 1) ? 75 mv i o = 250ma to 750ma 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 guaranteed from -55 c to +85c. above +85c, v in = -30v. 3. if not tested, shall be guaranteed to the specified limits. the ? denotes the specifications which apply over the full opera ting temperature range. 3.5 3 2.5 2 1.5 1 0.5 0 0 5 10 15 20 25 30 35 peak output d v out = 100mv t j = -55c 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) om7915ea electrical characteristics: -15 volt
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