original creation date: 06/27/95 last update date: 11/04/99 last major revision date: 06/27/95 mjlm117-k rev 0c1 microcircuit data sheet positive three terminal adjustable voltage regulator general description the lm117 adjustable 3-terminal positive voltage regulator is capable of supplying in excess of 1.5a over a 1.2v to 37v output range. it is exceptionally easy to use and requires only two external resistors to set the output voltage. further, both line and load regulation are better than standard fixed regulators. in addition to higher performance than fixed regulators, the lm117 offers full overload protection available only in ic's. included on the chip are current limit, thermal overload protection and safe area protection. all overload protection circuitry remains fully functional even if the adjustment terminal is disconnected. normally, no capacitors are needed unless the device is situated more than 6 inches from the input filter capacitors in which case an input bypass is needed. an optional output capacitor can be added to improve transient response. the adjustment terminal can be bypassed to achieve very high ripple rejection ratios which are difficult to achieve with standard 3-terminal regulators. besides replacing fixed regulators, the lm117 is useful in a wide variety of other applications. since the regulator is "floating" and sees only the input-to-output differential voltage, supplies of several hundred volts can be regulated as long as the maximum input to output differential is not exceeded, (i.e., avoid short-circuiting the output). also, it makes an especially simple adjustable switching regulator, a programmable output regulator, or by connecting a fixed resistor between the adjustment pin and output, the lm117 can be used as a precision current regulator. supplies with electronic shutdown can be achieved by clamping the adjustment terminal to ground which programs the output to 1.2v where most loads draw little current. for applications requiring greater output current, see lm150 (3a) and lm138 (5a) data sheets. for the negative complement, see lm137 data sheet. ns part numbers jl117bya JL117SYA industry part number lm117k prime die lm117k controlling document 38510/11704,amend.3 rev a processing mil-std-883, method 5004 quality conformance inspection mil-std-883, method 5005 subgrp description temp ( c) o 1 static tests at +25 2 static tests at +125 3 static tests at -55 4 dynamic tests at +25 5 dynamic tests at +125 6 dynamic tests at -55 7 functional tests at +25 8a functional tests at +125 8b functional tests at -55 9 switching tests at +25 10 switching tests at +125 11 switching tests at -55 1
microcircuit data sheet mjlm117-k rev 0c1 features - guaranteed 1.5a output current - adjustable output down to 1.2v - current limit constant with temperature - 80 db ripple rejection - output is short-circuit protected 2
microcircuit data sheet mjlm117-k rev 0c1 (absolute maximum ratings) (note 1) power dissipation (note 2) internally limited input-output voltage differential +40v, -0.3v maximum junction temperature 150 c storage temperature range -65 c to +150 c lead temperature (soldering, 10 seconds) 300 c thermal resistance thetaja 39 c/w (still air) 14 c/w (500lf/min air flow) 1.9 c/w thetajc esd tolerance (note 3) 3000v note 1: absolute maximum ratings indicate limits beyond which damage to the device may occur. operating ratings indicate conditions for which the device is functional, but do not guarantee specific performance limits. for guaranteed specifications and test conditions, see the electrical characteristics. the guaranteed specifications apply only for the test conditions listed. some performance characteristics may degrade when the device is not operated under the listed test conditions. note 2: the maximum power dissipation must be derated at elevated temperatures, and is dictated by tjmax (maximum junction temperature), thetaja (package junction to ambient thermal resistance), and ta (ambient temperature). the maximum allowable power dissipation at any temperature is pdmax = (tjmax - ta)/thetaja or the number given in the absolute maximum ratings, whichever is lower. note 3: human body model, 1.5k ohms in series with 100pf. recommended operating conditions operating temperature range -55 c < ta < +125 c 3
mjlm117-k rev 0c1 microcircuit data sheet electrical characteristics dc parameters symbol parameter conditions notes pin- name min max unit sub- groups vout output voltage vin = 4.25v, il = -5ma 1.2 1.3 v 1, 2, 3 vin = 4.25v, il = -1.5a 1.2 1.3 v 1, 2, 3 vin = 41.25v, il = -5ma 1.2 1.3 v 1, 2, 3 vin = 41.25v, il = -200ma 1.2 1.3 v 1, 2, 3 vrline line regulation 4.25v < vin < 41.25v, il = -5ma -9 9 mv 1 -23 23 mv 2, 3 vrload load regulation vin = 6.25v, -1.5a < il < -5ma -3.5 3.5 mv 1 -12 12 mv 2, 3 vin = 41.25v, -200ma < il < -5ma -3.5 3.5 mv 1 -12 12 mv 2, 3 vrth thermal regulation vin = 14.6v, il = -1.5a -12 12 mv 1 iadj adjust pin current vin = 4.25v, il = -5ma -100 -15 ua 1, 2, 3 vin = 41.25v, il = -5ma -100 -15 ua 1, 2, 3 delta iadj/line adjust pin current change 4.25v < vin < 41.25v, il = -5ma -5 5 ua 1, 2, 3 delta iadj/load adjust pin current change vin = 6.25v, -1.5a < il < -5ma -5 5 ua 1, 2, 3 ios output short circuit current vin = 4.25v -3.5 -1.5 a 1, 2, 3 vin = 40v -1 -0.18 a 1, 2, 3 vout (recov) output voltage recovery vin = 4.25v, rl = 0.833 ohms, cl = 20uf 1.2 1.3 v 1, 2, 3 vin = 40v, rl = 250 ohms 1.2 1.3 v 1, 2, 3 iq minimum load current vin = 4.25v, forced vout = 1.4v -3 -0.2 ma 1, 2, 3 vin = 14.25v, forced vout = 1.4v -3 -0.2 ma 1, 2, 3 vin = 41.25v, forced vout = 1.4v -5 -0.2 ma 1, 2, 3 vstart voltage start-up vin = 4.25v, rl = 0.833 ohms, cl=20uf, il = -1.5a 1.2 1.3 v 1, 2, 3 4
mjlm117-k rev 0c1 microcircuit data sheet electrical characteristics dc parameters(continued) symbol parameter conditions notes pin- name min max unit sub- groups vout output voltage vin = 6.25v, il = -5ma 1 1.2 1.3 v 2 ac parameters vno output noise voltage vin = 6.25v, il = -100ma 120 uvrms 7 deltavout/ deltavin line transient response vin = 6.25v, delta vin = 3v, il = -10ma 218mv7 deltavout/ delta il load transient response vin = 6.25v, delta il = -400ma, il = -100ma 3 120 mv 7 delta vin/delta vout ripple rejection vin = 6.25v, ei = 1vrms at f = 2400hz, il = -500ma 65 db 4 dc parameters: drift values (the following conditions apply to all the following parameters, unless otherwise specified.) dc: "delta calculations performed on jan s and qmlv devices at group b, subgroup 5 only". vout output voltage vin = 4.25v, il = -5ma -0.01 0.01 v 1 vin = 4.25v, il = -1.5a -0.01 0.01 v 1 vin = 41.25v, il = -5ma -0.01 0.01 v 1 vin = 41.25v, il = -200ma -0.01 0.01 v 1 vrline line regulation 4.25v < vin < 41.25v, il = -5ma -4 4 mv 1 iadj adjust pin current vin = 4.25v, il = -5ma -10 10 ua 1 vin = 41.25v, il = -5ma -10 10 ua 1 note 1: tested at ta = +125 c, correlated to ta = +150 c. note 2: s/s limit of 6mv/v is equivalent to 18mv. note 3: s/s limit of .3mv/v is equivalent to 120mv. 5
microcircuit data sheet mjlm117-k rev 0c1 graphics and diagrams graphics# description 09757hre4 metal can (ka), to-3, 2ld, low profile (b/i ckt) k02cre metal can (ka), to-3, 2ld, low profile (p/p dwg) p000173a metal can (ka), to-3, 2ld, low profile (pinout) see attached graphics following this page. 6
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microcircuit data sheet mjlm117-k rev 0c1 revision history rev ecn # rel date originator changes 0c1 m0003586 11/04/99 rose malone update mds: mjlm117-k, rev. 0b0 to mjlm117-k, rev. 0c1. updated thermal data in absolute section, b/i ckt, mkt outline graphics. added pinout. 7
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