3.3 - 113 3.3 4 11 r1 supersedes 2 07 r0 3.0 amp positive adjustable voltage regulator approved to desc drawing 5962-87675 features ? approved to desc standardized military drawing 5962-8767501ux/tx and 5962-8767502ux/tx ? isolated hermetic package, jedec to-257aa outline ? reference voltages set to 1% and 2% ? built-in thermal overload protection ? short circuit current limiting ? similar electrically to industry standard lm150a description these three terminal positive regulators approved by desc, are supplied in a hermetically sealed isolated, metal to-257 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 1% and 2% initial voltage tolerance, 0.35% load regulation and .01% line regulation. absolute maximum ratings @ 25c input - output voltage differential ........................................ +35 v operating junction temperature range ........................- 55c to + 150c storage temperature range .................................- 65c to + 150c typical power/thermal characteristics: rated power @ 25c t c ...............................................................25 w t a ................................................................3 w thermal resistance: q jc case u ..................................................... 4.2c/w q jc case t ..................................................... 3.5c/w q ja ............................................................ 50c/w a om3910stm/ntm om3911stm/ntm three terminal, adjustable voltage, 3.0 amp precision positive regulator in hermetic jedec to-257aa package desc reference omnirel drawing voltage part number 5962-8767501ux 2% om3910stm 5962-8767502ux 1% om3911stm 5962-8767501tx 2% OM3910NTM 5962-8767502tx 1% om3911ntm
3.3 - 114 om3910stm/ntm om3911stm/ntm 3.3 electrical characteristics -55c t a 125c (note 1) unless otherwise specified test symbol conditions dash limits unit no. min. max. reference voltage v ref i out = 10ma 01 1.20 1.30 v t a = 25c 02 1.238 1.262 v 3.0v (v in - v out ) 35v, p 30w 01 1.20 1.30 v 10ma i out 3.0a (note 2) 02 1.225 1.270 v line regulation r line 3.0v (v in - v out ) 35v, all 0.01 %/v (note 2) i out = 10ma, t j = 25c p/ns 3.0v (v in - v out ) 35v, all 0.05 %/v i out = 10ma p/ns load regulation r load 10ma i out 3.0a, all 17.5 mv (note 2) v out 5.0a, t j = 25c p/ns 10ma i out 3.0a, all 50 mv v out 5.0a p/ns 10ma i out 3.0a, all 0.35 % v out 5.0a, t j = 25c p/ns 10ma i out 3.0a, all 1.0 % v out 5.0a p/ns thermal regulation 20ms pulse, t a =25c all p/ns 0.01 %/w ripple rejection r n v out = 10v, f = 120hz all 66 db (note 3) c adj = 10f p/ns adjust pin current i adj all p/ns 100 a adjust pin 3i adj 10ma i out 3.0a, i out = 10ma all 5.0 a current change 3.0v (v in - v out ) 35v p/ns miminum load current i min (v in - v out ) = 35v all p/ns 5.0 ma current limit i cl (v in - v out ) 10v all p/ns 3.0 a (v in - v out ) = 30v all p/ns 0.3 a notes: 1. unless otherwise specified, these specifications apply for (v in - v out ) = 5.0v and i out = 1.5a. 2. regulation is measured at a constant junction temperature using a pulse technique. changes in output voltage due to heating effects are covered under the specification for thermal regulation. 3. guaranteed if not tested to the limits specified.
3.3 - 115 om3910stm/ntm om3911stm/ntm 3.3 typical performance characteristics i out = 3a 0.5 0.4 0.3 0.2 0.1 0 1.0 -75 -50 -25 0 25 50 75 100 125 150 temperature (?) voltage change (percent) load regulation temperature (?) input-output differential (v) dropout voltage 3 -75 -25 25 75 125 2.5 2 1.5 1 0.5 v out = 100mv i out = 3a i out = 2a i out = 20ma output voltage (v) ripple rejection (db) ripple rejection 0 0 20 40 60 80 100 5 101520253035 v in - v out = 5v i out = 500ma f = 120hz t i = 25? c adj = 10? c adj = 0 frequency (hz) output impedance (ohms) output impedance 10 v in = 15v v out = 10v i out = 500ma 0.0001 0.001 0.01 0.1 1 10 100 1k 10k 100k 1m c adj = 0 c out = 0 c adj = 10? c out = 10? 0 0 input-output differential (v) output current (a) current limit 5 101520253035 2 4 6 t j = -55? t j = 150? t j = 25? temperature (?) reference voltage (v) temperature stability 1.24 25 -25 -50 0 50 75 100 125 150 1.23 1.25 1.26 1.27 frequency (hz) ripple rejection (db) ripple rejection 0 10 v in = 15v v out = 10v i out = 500ma c adj = 0 20 40 60 80 100 100 1k 10k 100k 1m c adj = 10? time (?) input voltage change (v) line transient response 0 0 0.5 1 -1 -0.5 0 0.5 1 1.5 10 20 30 40 output voltage deviation (v) c out = 0, c adj = 0 c out = 1?, c adj = 10? v out = 10v i out = 50ma t i = 25? temperature (?) adjustment current (?) adjustment current -75 65 60 55 50 45 40 35 30 -25 25 75 125 input-output differential (v) minimum i out current (ma) minimum operating current 5 0 t j = 150? t j = 25? t j = -55? 4 2 1 3 0 5 101520 253035 40 output current (a) ripple rejection (db) ripple rejection c adj = 10? 40 1 c adj = 0 v in = 15v v out = 10v f = 120hz t case = 25? 0.1 10 50 60 70 80 time (?) load current (a) load transient response -1 0 output voltage deviation (v) v in = 15v v out = 10v preload = 100ma t i = 25? c out = 1? c adj = 10? c out = 0, c adj = 0 0 0.5 1 1.5 -1.5 -0.5 0 0.5 1 1.5 10 20 30 40
om3910stm/ntm om3911stm/ntm 3.3 205 craw ford street, leominster, ma 01453 usa (508) 534-5776 fax (508) 537-4246 typical applications v in v out adj. v out r2 5k c1* 1? c2? 1? + r2 r1 * needed if device is far from filter capacitors ? optional ?improves transient response ?v out = 1.25v (1 + ) r1 240 v in v out adj. v in r1 121 1% r2 365 1% c l 10?* + 1? 5v * c, improves ripple rejection x c should be small compared to r 2 v in v out adj. 0.5 1k 500 v in v out adj. v in +10v 15k 1% 2k 3 2 2.5v + lt 1001 7 4 6 2k lt 1009 4.99k 1% v in v out v in adj. lm301a r d (max. drop 300mv) v in 7 6 2 + + 1k 25 5? 365 121 25 1 8 4 3 ret r l 5v return 100? .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 connection diagram notes: ? case is metal/hermetically sealed ? isolated tab case u front view pin 1: adjust pin 2: v out pin 3: v in tab: isolated case t front view pin 1: adjust pin 2: v out pin 3: v in tab: v out 123 tab 1.2 - 25v adjustable regulator precision high current reference remote sensing improving ripple rejection adjustable current limiter
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