3.3 - 17 3.3 three terminal, precision adjustable positive voltage regulator in hermetic style packages (lm117a) 4 11 r2 supersedes 1 07 r1 1.5 amp positive adjustable voltage regulator approved to desc drawing 7703405 om1324stm om1324n2m om1324nmm om1324ntm om1324smm OM1324NKM features ? similar to industry standard lm117a ? approved to desc standardized military drawing number 7703405 ? built in thermal overload protection ? short circuit current limiting ? available in six package styles ? maximum output voltage tolerance is guaranteed to + 1% description these three terminal positive regulators are supplied in hermetically sealed packages. all protective features are designed into the circuit, including thermal shutdown, current-limiting, and safe-area control. with heat sinking, these devices can deliver up to 1.5 amps of output current. the lcc-20 device is limited to .5 amps. the unit also features output voltages that can be fixed from 1.2 volts to 37 volts using external resistors. absolute maximum ratings t c @ 25c power dissipation case 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 w case-all others. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 w input - output voltage differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 v operating junction temperature range . . . . . . . . . . . . . . . . . . . . . - 55c to + 150c storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 65c to + 150c lead temperature (soldering 10 seconds) . . . . . . . . . . . . . . . . . . . . . . . . . . . 300c thermal resistance, junction to case: case 2, lcc-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17c/w case u & m, to-257 (isol) and smd-3 . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2c/w case t&n, to-257 (non-isol) and smd-1 . . . . . . . . . . . . . . . . . . . . . . . 3.5c/w case y, to-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.0c/w maximum output current: case 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 a case-all others. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5a recommended operating conditions: output voltage range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.2 to 37 vdc ambient operating temperature range (t a ). . . . . . . . . . . . . . . . - 55c to + 125c input voltage range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.25 to 41.25 vdc please see mechanical outlines herein
3.3 - 18 3.3 om1324ntm, om1324stm, OM1324NKM, om1324smm, om1324nmm, om1324n2m parameter symbol test conditions min. max. unit reference voltage v ref v diff = 3.0v, t a = 25c 1.238 1.262 v diff = 3.3v ? 1.225 1.270 v v diff = 40v ? 1.225 1.270 line regulation r line 3.0v v diff 40v, v out = v ref , t a = 25c -4.5 4.5 mv (note 1) 3.3v v diff 40v, v out = v ref ?-9 9 load regulation r load v diff = 3.0v, 10ma i l 1.5a, t a = 25c -15 15 (note 1) v diff = 3.3v, 10ma i l 1.5a ? -15 15 mv v diff = 40v, 10ma i l 300ma, t a = 25c -15 15 v diff = 40v, 10ma i l 195ma ? -15 15 thermal regulation v rth v in = 14.6v, i l = 1.5a -5 5 mv p d = 20 watts, t = 20 ms, t a = 25c ripple rejection r n f = 120 hz, v out = v ref ? 66 db (note 2) c adj = 10 f adjustment pin current i adj v diff = 3.0v, t a = 25c 100 v diff = 3.3v ? 100 a v diff = 40v ? 100 adjustment pin 3i adj v diff = 3.0v, 10ma i l 1.5a, t a = 25c -5 5 current change v diff = 3.3v, 10ma i l 1.5a ? -5 5 v diff = 40v, 10ma i l 300ma, t a = 25c -5 5 v diff = 40v, 10ma i l 195ma ? -5 5 a 3.0v v diff 40v, t a = 25c -5 5 3.3v v diff 40v ? -5 5 miminum load current i lmin v diff = 3.0v, v out = 1.4v (forced) 5.0 v diff = 3.3v, v out = 1.4v (forced) ? 5.0 ma v diff = 40v, v out = 1.4v (forced) ? 5.0 current limit i cl v diff = 15v ? 1.5 3.5 (note 2) v diff = 40v, t a = 25c 0.18 1.5 a 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. if not tested, shall be guaranteed to the specified limits. 3. the ? denotes the specifications which apply over the full operating temperature range. part number designator standard military drawing number omnirel part number omnirel package designation 7703405m om1324smm smd-3 7703405u om1324stm to-257 (isolated) 7703405t om1324ntm to-257 (non-isolated) 7703405y om1324 nkm to-3 7703405n om1324nmm smd-1 77034052 om1324n2m lcc-20 electrical characteristics -55c t a 125c, i l = 8ma (unless otherwise specified) om1324ntm, om1324stm, OM1324NKM, om1324smm, om1324nmm
3.3 - 19 3.3 om1324ntm, om1324stm, OM1324NKM, om1324smm, om1324nmm, om1324n2m om1324stm v in c in * 0.1 f v out r 2 adjust i adj r 1 240 application *c in is required if regulator is located an appreciable distance from power supply filter. ** c o is not needed for stability, however it does improve transient response. v out = 1.25 v (1 + )+ i ad j r 2 since i adj is controlled to less than 100 a, the error associated with this term is negligible in most applications. r 2 r 1 parameter symbol test conditions min. max. unit reference voltage v ref v diff = 3.0v, t a = 25c 1.238 1.262 v diff = 3.3v ? 1.225 1.270 v v diff = 40v ? 1.225 1.270 line regulation r line 3.0v v diff 40v, v out = v ref , t a = 25c -4.5 4.5 mv (note 1) 3.3v v diff 40v, v out = v ref ?-9 9 load regulation r load v diff = 3.0v, 10ma i l 500 ma, t a = 25c -15 15 (note 1) v diff = 3.3v, 10ma i l 500 ma ? -15 15 mv v diff = 40v, 10ma i l 150 ma, t a = 25c -15 15 v diff = 40v, 10ma i l 100 ma ? -15 15 thermal regulation v rth v in = 14.6v, i l = 300 ma -2 2 mv p d = 4.0 watts, t = 20 ms, t a = 25c ripple rejection r n f = 120 hz, v out = v ref ? 66 db (note 2) c adj = 10 f adjustment pin current i adj v diff = 3.0v, t a = 25c 100 v diff = 3.3v ? 100 a v diff = 40v ? 100 adjustment pin 3i adj v diff = 3.0v, 10ma i l 500 ma, t a = 25c -5 5 current change v diff = 3.3v, 10ma i l 500 ma ? -5 5 v diff = 40v, 10ma i l 150ma, t a = 25c -5 5 v diff = 40v, 10ma i l 100ma ? -5 5 a 3.0v v diff 40v, t a = 25c -5 5 3.3v v diff 40v ? -5 5 miminum load current i lmin v diff = 3.0v, v out = 1.4v (forced) 5.0 v diff = 3.3v, v out = 1.4v (forced) ? 5.0 ma v diff = 40v, v out = 1.4v (forced) ? 5.0 current limit i cl v diff = 15v ? 0.5 1.65 (note 2) v diff = 40v, t a = 25c 0.15 0.65 a 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. if not tested, shall be guaranteed to the specified limits. 3. the ? denotes the specifications which apply over the full operating temperature range. electrical characteristics -55c t a 125c, i l = 8ma (unless otherwise specified) om1324n2m
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 om1324ntm, om1324stm, OM1324NKM, om1324smm, om1324nmm, om1324n2m om1324smm front view pin 1 - adjust pin 2 - input pin 3 - output case - isolated om1324stm om1324ntm isolated non-isolated front view front view pin 1 - adjust pin 1 - adjust pin 2 - output pin 2 - output pin 3 - input pin 3 - input tab - isolated tab - output om1324nmm pin 1 - adjust pin 2 - input pin 3 - output OM1324NKM pin 1 - adjust pin 2 - input case - output om1324n2m pin 1 v out (sense) pin 11 nc pin 2 nc pin 12 nc pin 3 nc pin 13 nc pin 4 nc pin 14 nc pin 5 v in pin 15 nc pin 6 nc pin 16 nc pin 7 nc pin 17 nc pin 8 nc pin 18 nc pin 9 nc pin 19 nc pin 10 adjust pin 20 v out .430 .410 .200 .190 .038 max. .005 .120 typ. .537 .527 .665 .645 .420 .410 .150 .140 .750 .500 .100 typ. .035 .025 .045 .035 mechanical outline .140 .415 .157 .015 .140 .140 .075 .075 .062 .375 .030 min. .075 ( .010) typ. .040 .020 x45 ref. .040 x45 ref (3 pl) .010 .160 sq. ref. .065 .009 r. 20 plcs. 3 1 19 18 14 4 13 9 .003 .050 typ. .050 ( .005) typ. .085 .025 sq. typ. ( .003) .025 typ. 12 3 1 2 3 for additional information please see the mechanical outline section. 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. 2 1 .425 .200 .100 .350 min. .080 .160 .020 ?.020 .035 wide flat 3 plcs. .115 .425 1 2 3
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