3.3 - 147 3.3 three terminal, fixed voltage, 3.0 amp precision negative regulators in hermetic jedec to-258aa package 4 11 r3 supersedes 1 07 r2 isolated hermetic to-258aa fixed voltage regulators features ? isolated hermetic package, jedec to-258aa outline ? ouput voltages: -5v, -12v and -15v ? output voltages set internally to 2% (1% available) ? built-in thermal overload protection ? short circuit current limiting ? product is available screened to mil-std-883 description these three terminal negative regulators are supplied in a hermetically sealed metal package whose outline is similar to the industry standard to-247 plastic 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 3.0 amps of output current. these units feature 2% initial voltage tolerance with 1% available on request. absolute maximum ratings @ 25c input voltage ................................................................... -35v operating junction temperature range ............................. -55c to +150c storage temperature range ......................................... -65 to +150c typical power/thermal characteristics: rated power @ 25c t c ........................................................................25w t a .........................................................................3w thermal resistance q jc ................................................................... 3.5c/w q ja ..................................................................... 42c/w note: for 1% device. add letter a in front of part number (e.g. oma 7608sc). om7610sc om7608scom7609sc downloaded from: http:///
3.3 - 148 3.3 om7608sc - om7610sc electrical characteristics: -12 volt output ( om7609sc ) t j = -55 c to + 125 c parameter test conditions min. typ. max. units v out t j = 25c, v in = 15 v, i o = 10 ma -11.76 -12.00 -12.24 v 15 v v in 35 v, 5 ma i o 3 a; p 25 w -11.66 -12.06 -12.33 line regulation (note 1) 15 v v in 35 v, t j = 25c - 10 60 mv load regulation (note 1) 5 ma i o 3.0 a, t j = 25c - 40 90 mv thermal regulation t a = 25c, 20 ms pulse - .002 .02 %/w ripple rejection f = 120 hz; v out = 12 v - 66 - db miminum load current v in = 35 v - - 15 ma current limit v in = -20 v 3 4.3 - a temperature stability -55c t +150c - - 2.0 % rms output noise (% of v out )t a = 25c, 10 hz f 10 khz - .005 - % note 1 : regulation is measured at a constant t j . changes in output due to heating must be taken into account separately. pulse testing with low duty cycle is used. electrical characteristics: -5 volt output (om7608sc ) t j = -55 c to + 125 c parameter test conditions min. typ. max. units v out t j = 25c, v in = 10 v, i o = 5.0 ma -4.90 -5.00 -5.10 v 8.0 v v in 35 v, 5 ma i o 3 a; p 25 w -4.86 -5.00 -5.14 line regulation (note 1) 8.0 v v in 35 v, t j = 25c - 10 25 mv load regulation (note 1) 5.0 ma i o 3.0 a, t j = 25c - 20 75 mv thermal regulation t a = 25c, 20 ms pulse - .002 .01 %/w ripple rejection f = 120 hz; v out = 5.0 v - 66 - db miminum load current v in = 35 v - - 15 ma current limit v in = -13 v 3 4.3 - a temperature stability -55c t +150c - - 2.0 % rms output noise (% of v out )t a = 25c, 10 hz f 10 khz - .005 - % note 1 : regulation is measured at a constant t j . changes in output due to heating must be taken into account separately. pulse testing with low duty cycle is used. downloaded from: http:///
3.3 - 149 3.3 om7608sc - om7610sc electrical characteristics: -15 volt output ( om7610sc ) t j = -55 c to + 125 c parameter test conditions min. typ. max. units v out t j = 25c, v in = 23 v, i o = 5 ma -14.70 -15.00 -15.30 v 18 v v in 35 v, 5 ma i o 3 a; p 25 w -14.58 -15.00 -15.42 line regulation (note 1) 18 v v in 35 v, t j = 25c - 10 75 mv load regulation (note 1) 5 ma i o 3.0 a, t j = 25c - 50 100 mv thermal regulation t a = 25c, 20 ms pulse - .002 .02 %/w ripple rejection f = 120 hz; v out = 15 v - 66 - db miminum load current v in = 35 v - - 15 ma current limit v in = -23 v 3 4.3 - a temperature stability -55c t +150c - - 2.0 % rms output noise (% of v out )t a = 25c, 10 hz f 10 khz - .005 - % note 1 : regulation is measured at a constant t j . changes in output due to heating must be taken into account separately. pulse testing with low duty cycle is used. current limit dropout voltage ripple rejection output current (a) 6 5 4 3 2 1 0 0 5 10 15 20 25 30 35 input-output differential (v) input-output differential (v) 2. 8 2. 6 2. 4 2. 2 2. 0 1. 8 1. 6 1. 4 1. 2 0. 5 1. 0 1. 5 2. 0 2. 5 3. 0 output current (a) t j = -55 c t j = -25 c t j = -150 c ripple rejection (db) 100 80 60 40 20 0 10 100 1k 10k 100k 1m frequency (hz) c adj = 0 v in = -15 v v out = -10 v i l = 500ma, t j = 25 c c adj = 10 f downloaded from: http:///
3.3 205 crawford street, leominster, ma 01453 usa (508) 534-5776 fax (508) 537-4246 om7608sc - om7610sc mechanical outline .707.697 .750.500 .835.815 .695.685 .165.155 .200 typ. .550.530 .270.240 .045.035 .140 typ. .092 max. .065.055 .005 tab 123 notes: ? case is metal/hermetically sealed ? isolated tab ? this device is also available in a to-257aa package. call the factory for test conditions and limits. front view pin 1: ground pin 2: input pin 3: output tab: isolated -v out -v in 5f 2f om7608scom7609sc om7610sc +v out +v in -v out -v in 1f 1f om7605scom7606sc om7607sc 5f 2f om7608scom7609sc om7610sc pin connection 3 amp regulator dual regulator typical applications + downloaded from: http:///
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