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lt6700/lt6700hv 1 6700123fh for more information www.linear.com/lt6700 typical application features applications description micropower, low voltage, dual comparator with 400mv reference the lt ? 6700/lt6700hv combine two micropower, low voltage comparators with a 400mv reference in a 6-lead sot-23 or tiny dfn package. operating with supplies from 1.4v up to 18v, these devices draw only 6.5a, making them ideal for low voltage system monitoring. hysteresis is included in the comparators, easing design requirements to insure stable output operation. the comparators each have one input available externally; the other inputs are connected internally to the reference. the comparator outputs are open collector and the output load can be referred to any voltage up to 18v (36v for lt6700hv), independent of supply voltage. the output stage sinking capability is guaranteed to be greater than 5ma over temperature. the three versions of this part differ by the polar - ity of the available comparator inputs. the lt6700-1/ lt6700hv-1 has one inverting input and one noninvert - ing input, making it suitable for use as a window com - parator. the lt6700-2/lt6700hv-2 has two inverting inputs and the lt6700-3/lt6700hv-3 has two nonin - verting inputs. all versions are offered in commercial, industrial and automotive temperature ranges. l , lt, ltc, ltm, linear technology, the linear logo and over-the-top are registered trademarks and thinsot and powerpath are trademarks of linear technology corporation. all other trademarks are the property of their respective owners. micropower battery monitor n internal 400mv reference n total threshold error: 1.25% max at 25c n inputs and outputs operate to 36v n wide supply range: 1.4v to 18v n specified for C55c to 125c temperature range n low quiescent current: 6.5a typ at 5v n internal hysteresis: 6.5mv typ n low input bias current: 10na max n over-the-top ? input also includes ground n open-collector outputs allow level translation n choice of input polarities: lt6700-1/lt6700-2/ lt6700-3/lt6700hv-1/lt6700hv-2/lt6700hv-3 n available in low profile (1mm) sot-23 (thinsot?) and 2mm 3mm dfn packages n battery-powered system monitoring n threshold detectors n window comparators n relay driving n industrial control systems n handheld instruments n automotive monitor and controls comparator thresholds vs temperature ? + ? + comp b 1m comp a alkaline aa cells v r = 400mv reference 1m 0.1f lt6700-3 63.4k 261k 1m v batt > 1.6v v batt > 2v monitor consumes ~10a hysteresis is approximately 2% of trip voltage 6700123 ta01 v batt 1.4v (min) 3v (nom) + + v s temperature (c) ?60 threshold voltage (mv) 398 400 402 120 6700123 ta02 396 394 390 ?40 ?20 0 20 40 60 80 100 392 406 404 two typical parts comp a and b v s = 5v #1a #1b #2a #2b rising input falling input
lt6700/lt6700hv 2 6700123fh for more information www.linear.com/lt6700 absolute maximum ratings total supply voltage (v s to gnd) .......................... 18.5v input voltage (+in, Cin) lt6700 (note 3) .......................... 18.5v to (gnd C 0.3v) lt6700hv (note 3) ........................ 40v to (gnd C 0.3v) lt6700 output voltage (out) ..... 18.5v to (gnd C 0.3v) lt6700hv output voltage (out) ... 40v to (gnd C 0.3v) output short-circuit duration (note 2) ............ indefnite input current (note 3) .......................................... C10ma operating temperature range (note 4) lt6700cs6/lt6700hvcs6/ lt6700cdcb -1/-2/-3 ........................... C 40c to 85c lt6700is6/lt6700hvis6/ lt6700idcb -1/-2/-3 ............................ C40c to 85c lt6700hs6/lt6700hvhs6/ lt6700hdcb -1/-2/-3 ........................ C40c to 125c lt6700mpdcb/ lt6700mps6-1/-2/-3 ......................... C55c to 125c (note 1) pin configuration specifed temperature range (note 5) lt6700cs6/lt6700hvcs6/ lt6700cdcb -1/-2/-3 .............................. 0c to 70c lt6700is6/lt6700hvis6/ lt6700idcb -1/-2/-3 ............................ C40c to 85c lt6700hs6/lt6700hvhs6/ lt6700hdcb -1/-2/-3 ....................... C40c to 125c lt6700mpdcb / lt6700pms6-1/-2/-3 ......................... C55c to 125c maximum junction temperature s6 package ....................................................... 150c dcb6 package .................................................. 150c storage temperature range s6 package ........................................ C65c to 150c dcb6 package ................................... C65c to 150c lead temperature, tsot-23 (soldering, 10 sec) ... 300c lt6700-1 lt6700hv-1 lt6700-2 lt6700hv-2 lt6700-3 lt6700hv-3 outa 1 gnd 2 +ina 3 6 outb 5 v s 4 ?inb top view s6 package 6-lead plastic tsot-23 t jmax = 150c, ja = 230c/w outa 1 gnd 2 ?ina 3 6 outb 5 v s 4 ?inb top view s6 package 6-lead plastic tsot-23 t jmax = 150c, ja = 230c/w outa 1 gnd 2 +ina 3 6 outb 5 v s 4 +inb top view s6 package 6-lead plastic tsot-23 t jmax = 150c, ja = 230c/w lt6700-1 lt6700-2 lt6700-3 top view + ina gnd ?inb outa outb v s dcb6 package 6-lead (2mm 3mm) plastic dfn 4 5 7 6 3 2 1 t jmax = 125c, ja = 64c/w soldered exposed pad (pin 7) internally connected to gnd (pcb connection optional) top view ? ina gnd ?inb outa outb v s dcb6 package 6-lead (2mm 3mm) plastic dfn 4 5 7 6 3 2 1 t jmax = 125c, ja = 64c/w soldered exposed pad (pin 7) internally connected to gnd (pcb connection optional) top view + ina gnd +inb outa outb v s dcb6 package 6-lead (2mm 3mm) plastic dfn 4 5 7 6 3 2 1 t jmax = 125c, ja = 64c/w soldered exposed pad (pin 7) internally connected to gnd (pcb connection optional)
lt6700/lt6700hv 3 6700123fh for more information www.linear.com/lt6700 lead free finish tape and reel (mini) tape and reel part marking* package description specified temperature range lt6700cs6-1#trmpbf lt6700cs6-1#trpbf ltk7 6-lead plastic tsot-23 0c to 70c LT6700HVCS6-1#trmpbf LT6700HVCS6-1#trpbf ltk7 6-lead plastic tsot-23 0c to 70c lt6700is6-1#trmpbf lt6700is6-1#trpbf ltk7 6-lead plastic tsot-23 C40c to 85c lt6700hvis6-1#trmpbf lt6700hvis6-1#trpbf ltk7 6-lead plastic tsot-23 C40c to 85c lt6700hs6-1#trmpbf lt6700hs6-1#trpbf ltk7 6-lead plastic tsot-23 C40c to 125c lt6700hvhs6-1#trmpbf lt6700hvhs6-1#trpbf ltk7 6-lead plastic tsot-23 C40c to 125c lt6700mps6-1#trmpbf lt6700mps6-1#trpbf ltk7 6-lead plastic tsot-23 C55c to 125c lt6700cs6-2#trmpbf lt6700cs6-2#trpbf ltadl 6-lead plastic tsot-23 0c to 70c lt6700hvcs6-2#trmpbf lt6700hvcs6-2#trpbf ltadl 6-lead plastic tsot-23 0c to 70c lt6700is6-2#trmpbf lt6700is6-2#trpbf ltadl 6-lead plastic tsot-23 C40c to 85c lt6700hvis6-2#trmpbf lt6700hvis6-2#trpbf ltadl 6-lead plastic tsot-23 C40c to 85c lt6700hs6-2#trmpbf lt6700hs6-2#trpbf ltadl 6-lead plastic tsot-23 C40c to 125c lt6700hvhs6-2#trmpbf lt6700hvhs6-2#trpbf ltadl 6-lead plastic tsot-23 C40c to 125c lt6700mps6-2#trmpbf lt6700mps6-2#trpbf ltadl 6-lead plastic tsot-23 C55c to 125c lt6700cs6-3#trmpbf lt6700cs6-3#trpbf ltadm 6-lead plastic tsot-23 0c to 70c lt6700hvcs6-3#trmpbf lt6700hvcs6-3#trpbf ltadm 6-lead plastic tsot-23 0c to 70c lt6700is6-3#trmpbf lt6700is6-3#trpbf ltadm 6-lead plastic tsot-23 C40c to 85c lt6700hvis6-3#trmpbf lt6700hvis6-3#trpbf ltadm 6-lead plastic tsot-23 C40c to 85c lt6700hs6-3#trmpbf lt6700hs6-3#trpbf ltadm 6-lead plastic tsot-23 C40c to 125c lt6700hvhs6-3#trmpbf lt6700hvhs6-3#trpbf ltadm 6-lead plastic tsot-23 C40c to 125c lt6700mps6-3#trmpbf lt6700mps6-2 #trpbf ltadm 6-lead plastic tsot-23 C55c to 125c lt6700cdcb-1#trmpbf lt6700cdcb-1#trpbf lbxw 6-lead (2mm 3mm) plastic dfn 0c to 70c lt6700idcb-1#trmpbf lt6700idcb-1#trpbf lbxw 6-lead (2mm 3mm) plastic dfn C40c to 85c lt6700hdcb-1#trmpbf lt6700hdcb-1#trpbf lbxw 6-lead (2mm 3mm) plastic dfn C40c to 125c lt6700mpdcb-1#trmpbf lt6700mpdcb-1#tr ldvs 6-lead (2mm 3mm) plastic dfn C55c to 125c lt6700cdcb-2#trmpbf lt6700cdcb-2#trpbf lbxx 6-lead (2mm 3mm) plastic dfn 0c to 70c lt6700idcb-2#trmpbf lt6700idcb-2#trpbf lbxx 6-lead (2mm 3mm) plastic dfn C40c to 85c lt6700hdcb-2#trmpbf lt6700hdcb-2#trpbf lbxx 6-lead (2mm 3mm) plastic dfn C40c to 125c lt6700mpdcb-2#trmpbf lt6700mpdcb-2#tr ldvt 6-lead (2mm 3mm) plastic dfn C55c to 125c lt6700cdcb-3#trmpbf lt6700cdcb-3#trpbf lbxy 6-lead (2mm 3mm) plastic dfn 0c to 70c lt6700idcb-3#trmpbf lt6700idcb-3#trpbf lbxy 6-lead (2mm 3mm) plastic dfn C40c to 85c lt6700hdcb-3#trmpbf lt6700hdcb-3#trpbf lbxy 6-lead (2mm 3mm) plastic dfn C40c to 125c lt6700mpdcb-3#trmpbf lt6700mpdcb-3#tr ldvv 6-lead (2mm 3mm) plastic dfn C55c to 125c trm = 500 pieces. *temperature grades are identified by a label on the shipping container. consult ltc marketing for parts specified with wider operating temperature ranges. consult ltc marketing for information on lead based finish parts. for more information on lead free part marking, go to: http://www.linear.com/leadfree/ for more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/ order information
lt6700/lt6700hv 4 6700123fh for more information www.linear.com/lt6700 symbol parameter conditions min typ max units v th(r) rising input threshold voltage (note 6) r l = 100k, v o = 2v swing v s = 1.4v v s = 5v v s = 12v v s = 18v 394 395 393 392 400 400 400 400 406 405 407 408 mv mv mv mv v th(f) falling input threshold voltage (note 6) r l = 100k, v o = 2v swing v s = 1.4v v s = 5v v s = 12v v s = 18v 386 387 385 384 393.5 393.5 393.5 393.5 401 400 402 403 mv mv mv mv hys hys = v th(r) C v th(f) v s = 1.4v, 5v, 12v, 18v, r l = 100k, v o = 2v swing 3.5 6.5 9.5 mv i b input bias current v s = 1.4v, 18v, v in = v s v s = 1.4v, v in = 18v v s = 1.4v, 18v, v in = 0.1v 0.01 0.01 4 10 10 10 na na na v ol output low voltage 10mv input overdrive v s = 1.4v, i out = 0.5ma v s = 1.6v, i out = 3ma v s = 5v, i out = 5ma 55 60 70 200 200 200 mv mv mv i off output leakage current v s = 1.4v, 18v, v out = v s , v in = 40mv overdrive v s = 1.4v, v out = 18v, v in = 40mv overdrive 0.01 0.01 0.8 0.8 a a t pd(hl) high-to-low propagation delay v s = 5v, 10mv input overdrive, r l = 10k, v ol = 400mv 18 s t pd(lh) low-to-high propagation delay v s = 5v, 10mv input overdrive, r l = 10k, v oh = 0.9 ? v s 29 s t r output rise time v s = 5v, 10mv input overdrive, r l = 10k v o = (0.1 to 0.9) ? v s 2.2 s t f output fall time v s = 5v, 10mv input overdrive, r l = 10k v o = (0.1 to 0.9) ? v s 0.22 s i s supply current no load current v s = 1.4v v s = 5v v s = 12v v s = 18v 5.7 6.5 6.9 7.1 10.0 11.0 12.5 13.0 a a a a electrical characteristics t a = 25c, (lt6700-1/lt6700-2/lt6700-3) unless otherwise specified. the l denotes the specifcations which apply over the temperature range of 0c t a 70c, (lt6700c-1/lt6700c-2/lt6700c-3) unless otherwise specifed (notes 4, 5). symbol parameter conditions min typ max units v th(r) rising input threshold voltage (note 6) r l = 100k, v o = 2v swing v s = 1.4v v s = 5v v s = 12v v s = 18v l l l l 391.0 392.5 390.0 389.0 409.0 407.5 410.0 411.0 mv mv mv mv v th(f) falling input threshold voltage (note 6) r l = 100k, v o = 2v swing v s = 1.4v v s = 5v v s = 12v v s = 18v l l l l 383.5 384.5 382.5 381.5 403.5 402.5 404.5 405.5 mv mv mv mv
lt6700/lt6700hv 5 6700123fh for more information www.linear.com/lt6700 electrical characteristics the l denotes the specifcations which apply over the temperature range of 0c t a 70c, (lt6700c-1/lt6700c-2/lt6700c-3) unless otherwise specifed (notes 4, 5). symbol parameter conditions min typ max units hys hys = v th(r) C v th(f) v s = 1.4v, 5v, 12v, 18v, r l = 100k, v o = 2v swing l 3 11 mv i b input bias current v s = 1.4v, 18v, v in = v s v s = 1.4v, v in = 18v v s = 1.4v, 18v, v in = 0.1v l l l 15 15 15 na na na v ol output low voltage 10mv input overdrive v s = 1.4v, i out = 0.5ma v s = 1.6v, i out = 3ma v s = 5v, i out = 5ma l l l 250 250 250 mv mv mv i off output leakage current v s = 1.4v, 18v, v out = v s , v in = 40mv overdrive v s = 1.4v, v out = 18v, v in = 40mv overdrive l l 1 1 a a i s supply current no load current v s = 1.4v v s = 5v v s = 12v v s = 18v l l l l 13.0 14.0 15.5 16.0 a a a a symbol parameter conditions min typ max units v th(r) rising input threshold voltage (note 6) r l = 100k, v o = 2v swing v s = 1.4v v s = 5v v s = 12v v s = 18v l l l l 390 392 389 388 410 408 411 412 mv mv mv mv v th(f) falling input threshold voltage (note 6) r l = 100k, v o = 2v swing v s = 1.4v v s = 5v v s = 12v v s = 18v l l l l 382.5 383.5 381.5 380.5 404.5 403.5 405.5 406.5 mv mv mv mv hys hys = v th(r) C v th(f) v s = 1.4v, 5v, 12v, 18v, r l = 100k, v o = 2v swing l 2 11.5 mv i b input bias current v s = 1.4v, 18v, v in = v s v s = 1.4v, v in = 18v v s = 1.4v, 18v, v in = 0.1v l l l 15 15 15 na na na v ol output low voltage 10mv input overdrive v s = 1.4v, i out = 0.1ma v s = 1.6v, i out = 3ma v s = 5v, i out = 5ma l l l 250 250 250 mv mv mv i off output leakage current v s = 1.4v, 18v, v out = v s , v in = 40mv overdrive v s = 1.4v, v out = 18v, v in = 40mv overdrive l l 1 1 a a i s supply current no load current v s = 1.4v v s = 5v v s = 12v v s = 18v l l l l 14.0 15.0 16.5 17.0 a a a a the l denotes the specifcations which apply over the temperature range of C40c t a 85c, (lt6700i-1/lt6700i-2/lt6700i-3) unless otherwise specifed (notes 4, 5).
lt6700/lt6700hv 6 6700123fh for more information www.linear.com/lt6700 electrical characteristics symbol parameter conditions min lt6700h typ max units v th(r) rising input threshold voltage (note 6) r l = 100k, v o = 2v swing v s = 1.4v v s = 5v v s = 12v v s = 18v l l l l 390 392 389 388 411 410 412 413 mv mv mv mv v th(f) falling input threshold voltage (note 6) r l = 100k, v o = 2v swing v s = 1.4v v s = 5v v s = 12v v s = 18v l l l l 381.5 382.5 380.5 379.5 405.5 404.5 406.5 407.5 mv mv mv mv hys hys = v th(r) C v th(f) v s = 1.4v, 5v, 12v, 18v, r l = 100k, v o = 2v swing l 2 13.5 mv i b input bias current v s = 1.4v, 18v, v in = v s v s = 1.4v, v in = 18v v s = 1.4v, 18v, v in = 100mv l l l 45 45 50 na na na v ol output low voltage 10mv input overdrive v s = 1.4v, i out = 0.1ma v s = 1.6v, i out = 3ma v s = 5v, i out = 5ma l l l 250 250 250 mv mv mv i off output leakage current v s = 1.4v, 18v, v out = v s , v in = 40mv overdrive v s = 1.4v, v out = 18v, v in = 40mv overdrive l l 1 1 a a i s supply current no load current v s = 1.4v v s = 5v v s = 12v v s = 18v l l l l 16.0 17.0 18.5 19.0 a a a a the l denotes the specifcations which apply over the temperature range of C40c t a 125c, (lt6700h-1/lt6700h-2/lt6700h-3) unless otherwise specifed (notes 4, 5). symbol parameter conditions min lt6700h typ max units v th(r) rising input threshold voltage (note 6) r l = 100k, v o = 2v swing v s = 1.4v v s = 5v v s = 12v v s = 18v l l l l 390 392 389 388 411 410 412 413 mv mv mv mv v th(f) falling input threshold voltage (note 6) r l = 100k, v o = 2v swing v s = 1.4v v s = 5v v s = 12v v s = 18v l l l l 381.5 382.5 380.5 379.5 405.5 404.5 406.5 407.5 mv mv mv mv hys hys = v th(r) C v th(f) v s = 1.4v, 5v, 12v, 18v, r l = 100k, v o = 2v swing l 2 13.5 mv i b input bias current v s = 1.4v, 18v, v in = v s v s = 1.4v, v in = 18v v s = 1.4v, 18v, v in = 100mv l l l 45 45 50 na na na v ol output low voltage 10mv input overdrive v s = 1.4v, i out = 0.1ma v s = 1.6v, i out = 3ma v s = 5v, i out = 5ma l l l 250 250 250 mv mv mv the l denotes the specifcations which apply over the temperature range of C55c t a 125c, (lt6700mp-1/lt6700mp-2/lt6700mp-3) unless otherwise specifed (notes 4, 5).
lt6700/lt6700hv 7 6700123fh for more information www.linear.com/lt6700 symbol parameter conditions min typ max units v th(r) rising input threshold voltage (note 6) r l = 100k, v o = 2v swing v s = 1.4v v s = 5v v s = 12v v s = 18v 394 395 393 392 400 400 400 400 406 405 407 408 mv mv mv mv v th(f) falling input threshold voltage (note 6) r l = 100k, v o = 2v swing v s = 1.4v v s = 5v v s = 12v v s = 18v 386 387 385 384 393.5 393.5 393.5 393.5 401 400 402 403 mv mv mv mv hys hys = v th(r) C v th(f) v s = 1.4v, 5v, 12v, 18v, r l = 100k, v o = 2v swing 3.5 6.5 9.5 mv i b input bias current v s = 1.4v, 18v, v in = v s v s = 1.4v, v in = 18v, 36v v s = 1.4v, 18v, v in = 0.1v 0.01 0.01 4 10 10 10 na na na v ol output low voltage 10mv input overdrive v s = 1.4v, i out = 0.5ma v s = 1.6v, i out = 3ma v s = 5v, i out = 5ma 55 60 70 200 200 200 mv mv mv i off output leakage current v s = 1.4v, 18v, v out = v s , v in = 40mv overdrive v s = 18v, v out = 18v, (36v, r l = 100k), v in = 40mv overdrive 0.01 0.01 0.8 0.8 a a t pd(hl) high-to-low propagation delay v s = 5v, 10mv input overdrive, r l = 10k, v ol = 400mv 18 s t pd(lh) low-to-high propagation delay v s = 5v, 10mv input overdrive, r l = 10k, v oh = 0.9 ? v s 29 s t r output rise time v s = 5v, 10mv input overdrive, r l = 10k v o = (0.1 to 0.9) ? v s 2.2 s t f output fall time v s = 5v, 10mv input overdrive, r l = 10k v o = (0.1 to 0.9) ? v s 0.22 s i s supply current no load current v s = 1.4v v s = 5v v s = 12v v s = 18v 5.7 6.5 6.9 7.1 10.0 11.0 12.5 13.0 a a a a t a = 25c, (lt6700hv-1/lt6700hv-2/lt6700hv-3) unless otherwise specified. symbol parameter conditions min lt6700h typ max units i off output leakage current v s = 1.4v, 18v, v out = v s , v in = 40mv overdrive v s = 18v, v out = 18v, v in = 40mv overdrive l l 1 1 a a i s supply current no load current v s = 1.4v v s = 5v v s = 12v v s = 18v l l l l 16.0 17.0 18.5 19.0 a a a a the l denotes the specifcations which apply over the temperature range of C55c t a 125c, (lt6700mp-1/lt6700mp-2/lt6700mp-3) unless otherwise specifed (notes 4, 5). electrical characteristics
lt6700/lt6700hv 8 6700123fh for more information www.linear.com/lt6700 electrical characteristics the l denotes the specifcations which apply over the temperature range of 0c t a 70c, (lt6700hvc-1/lt6700hvc-2/lt6700hvc-3) unless otherwise specifed (notes 4, 5). symbol parameter conditions min typ max units v th(r) rising input threshold voltage (note 6) r l = 100k, v o = 2v swing v s = 1.4v v s = 5v v s = 12v v s = 18v l l l l 391.0 392.5 390.0 389.0 409.0 407.5 410.0 411.0 mv mv mv mv v th(f) falling input threshold voltage (note 6) r l = 100k, v o = 2v swing v s = 1.4v v s = 5v v s = 12v v s = 18v l l l l 383.5 384.5 382.5 381.5 403.5 402.5 404.5 405.5 mv mv mv mv hys hys = v th(r) C v th(f) v s = 1.4v, 5v, 12v, 18v, r l = 100k, v o = 2v swing l 3 11 mv i b input bias current v s = 1.4v, 18v, v in = v s v s = 1.4v, v in = 18v, 36v v s = 1.4v, 18v, v in = 0.1v l l l 15 15 15 na na na v ol output low voltage 10mv input overdrive v s = 1.4v, i out = 0.5ma v s = 1.6v, i out = 3ma v s = 5v, i out = 5ma l l l 250 250 250 mv mv mv i off output leakage current v s = 1.4v, 18v, v out = v s , v in = 40mv overdrive v s = 18v, v out = 18v, (36v, r l = 100k), v in = 40mv overdrive l l 1 1 a a i s supply current no load current v s = 1.4v v s = 5v v s = 12v v s = 18v l l l l 13.0 14.0 15.5 16.0 a a a a symbol parameter conditions min typ max units v th(r) rising input threshold voltage (note 6) r l = 100k, v o = 2v swing v s = 1.4v v s = 5v v s = 12v v s = 18v l l l l 390 392 389 388 410 408 411 412 mv mv mv mv v th(f) falling input threshold voltage (note 6) r l = 100k, v o = 2v swing v s = 1.4v v s = 5v v s = 12v v s = 18v l l l l 382.5 383.5 381.5 380.5 404.5 403.5 405.5 406.5 mv mv mv mv hys hys = v th(r) C v th(f) v s = 1.4v, 5v, 12v, 18v, r l = 100k, v o = 2v swing l 2 11.5 mv i b input bias current v s = 1.4v, 18v, v in = v s v s = 1.4v, v in = 18v, 36v v s = 1.4v, 18v, v in = 0.1v l l l 15 15 15 na na na v ol output low voltage 10mv input overdrive v s = 1.4v, i out = 0.1ma v s = 1.6v, i out = 3ma v s = 5v, i out = 5ma l l l 250 250 250 mv mv mv i off output leakage current v s = 1.4v, 18v, v out = v s , v in = 40mv overdrive v s = 18v, v out = 18v, (36v, r l = 100k), v in = 40mv overdrive l l 1 1 a a the l denotes the specifcations which apply over the temperature range of C40c t a 85c, (lt6700hvi-1/lt6700hvi-2/lt6700hvi-3) unless otherwise specifed (notes 4, 5).
lt6700/lt6700hv 9 6700123fh for more information www.linear.com/lt6700 electrical characteristics symbol parameter conditions min lt6700h typ max units v th(r) rising input threshold voltage (note 6) r l = 100k, v o = 2v swing v s = 1.4v v s = 5v v s = 12v v s = 18v l l l l 390 392 389 388 411 410 412 413 mv mv mv mv v th(f) falling input threshold voltage (note 6) r l = 100k, v o = 2v swing v s = 1.4v v s = 5v v s = 12v v s = 18v l l l l 381.5 382.5 380.5 379.5 405.5 404.5 406.5 407.5 mv mv mv mv hys hys = v th(r) C v th(f) v s = 1.4v, 5v, 12v, 18v, r l = 100k, v o = 2v swing l 2 13.5 mv i b input bias current v s = 1.4v, 18v, v in = v s v s = 1.4v, v in = 18v, 36v v s = 1.4v, 18v, v in = 100mv l l l 45 45 50 na na na v ol output low voltage 10mv input overdrive v s = 1.4v, i out = 0.1ma v s = 1.6v, i out = 3ma v s = 5v, i out = 5ma l l l 250 250 250 mv mv mv i off output leakage current v s = 1.4v, 18v, v out = v s , v in = 40mv overdrive v s = 18v, v out = 18 v, (36v, r l = 100k), v in = 40mv overdrive l l 1 1 a a i s supply current no load current v s = 1.4v v s = 5v v s = 12v v s = 18v l l l l 16.0 17.0 18.5 19.0 a a a a the l denotes the specifcations which apply over the temperature range of C40c t a 125c, (lt6700hvh-1/lt6700hvh-2/ lt6700hvh-3) unless otherwise specifed (notes 4, 5). symbol parameter conditions min typ max units i s supply current no load current v s = 1.4v v s = 5v v s = 12v v s = 18v l l l l 14.0 15.0 16.5 17.0 a a a a the l denotes the specifcations which apply over the temperature range of C40c t a 85c, (lt6700hvi-1/lt6700hvi-2/lt6700hvi-3) unless otherwise specifed (notes 4, 5). note 1: stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. exposure to any absolute maximum rating condition for extended periods may affect device reliability and lifetime. note 2: a heat sink may be required to keep the junction temperature below the absolute maximum rating when the output is shorted indefnitely. note 3: the inputs are protected by esd diodes to the ground. if the input voltage exceeds C0.3v below ground, the input current should be limited to less than 10ma. note 4: the lt6700c-1/-2/-3/lt6700hvc-1/-2/-3, and lt6700i-1/-2/-3/lt6700hvi-1/-2/-3 are guaranteed functional over the operating temperature range of C 40c to 85c. the lt6700h-1/-2/-3/ lt6700hvh-1/-2/-3 is guaranteed functional over the operating temperature range of C40c to 125c. the lt6700mp-1/-2/-3 is guaranteed functional over the operating temperature range of C55c to 125c. note 5: the lt6700c-1/-2/-3/lt6700hvc-1/-2/-3 is guaranteed to meet the specifed performance from 0c to 70c. the lt6700c-1/-2/- 3/lt6700hvc-1/-2/-3 are designed, characterized and expected to meet specifed performance from C 40c to 85c but are not tested or qa sampled at these temperatures. the lt6700i-1/-2/-3/lt6700hvi-1/-2/-3 is guaranteed to meet specifed performance from C40c to 85c. the lt6700h-1/-2/-3/lt6700hvh-1/-2/-3 is guaranteed to meet specifed performance from C40c to 125c.the lt6700mp-1/-2/-3 is guaranteed to meet specifed performance from C55c to 125c. note 6: v th defnes the threshold voltage of the comparators and combines the effect of offset and reference accuracy.
lt6700/lt6700hv 10 6700123fh for more information www.linear.com/lt6700 outa: open-collector output of comparator section a. this pin provides drive for up to 40ma of load current. off- state voltage may be as high as 18v (36v for lt6700hv) above gnd, regardless of v s used. gnd: ground. this pin is also the low side return of the internal 400mv reference. ina: external input for comparator section a. the volt - age on this pin can range from C0.3v to 18v (36v for lt6700hv) with respect to gnd regardless of v s used. the input is noninverting for the lt6700-1/lt6700hv-1 and lt6700-3/lt6700hv-3, and inverting for the lt6700-2/ lt6700hv-2. the other section a comparator input is internally connected to the 400mv reference. inb: external input for comparator section b. the volt - age on this pin can range from C0.3v to 18v (36v for lt6700hv) with respect to gnd regardless of v s used. the input is noninverting for the lt6700-3/lt6700hv-3, and inverting for the lt6700-1/lt6700hv-1 and lt6700-2/ lt6700hv-2. the other section b comparator input is internally connected to the 400mv reference. v s : comparator core supply voltage. the parts are char - acterized for operation with 1.4v v s 18v with respect to gnd. outb: open-collector output of comparator section b. this pin provides drive for up to 40ma of load current. off- state voltage may be as high as 18v (36v for lt6700hv) above gnd, regardless of v s used. ? + ? + comp b comp a 400mv reference outb v s ?inb +ina outa gnd v s lt6700-1 lt6700hv-1 6700123 pf01 pin functions ? + ? + comp b comp a 400mv reference outb v s ?inb ?ina outa gnd v s lt6700-2 lt6700hv-2 6700123 pf02 ? + ? + comp b comp a 400mv reference outb v s +inb +ina outa gnd v s lt6700-3 lt6700hv-3 6700123 pf03
lt6700/lt6700hv 11 6700123fh for more information www.linear.com/lt6700 typical performance characteristics distribution of rising input threshold voltage distribution of falling input threshold voltage distribution of hysteresis rising input threshold voltage vs temperature rising input threshold voltage vs temperature rising input threshold voltage vs supply voltage hysteresis vs temperature hysteresis vs temperature hysteresis vs supply voltage rising input threshold voltage (mv) 394 396 398 400 402 404 406 0 percent of units (%) 2 6 8 10 18 6700123 g01 4 12 14 16 v s = 5v t a = 25c falling input threshold voltage (mv) 388 390 392 394 396 398 400 0 percent of units (%) 2 6 8 10 6700123 g02 4 12 14 18 16 v s = 5v t a = 25c hysteresis (mv) 4 4.8 5.6 6.4 7.2 8 8.8 0 percent of units (%) 2 6 8 10 6700123 g03 4 12 14 16 18 20 v s = 5v t a = 25c temperature (c) ?60 ?40 rising input threshold voltage (mv) 400 401 402 100 120 6700123 g04 399 398 ?20 0 20 40 60 80 397 404 403 396 four typical parts v s = 5v #1 #2 #3 #4 temperature (c) ?60 ?40 rising input threshold voltage (mv) 401.0 401.5 402.0 100 120 6700123 g05 400.5 400.0 ?20 0 20 40 60 80 399.5 403.0 402.5 399.0 v s = 1.4v v s = 5v v s = 12v v s = 18v supply voltage (v) rising input threshold voltage (mv) 401.0 401.5 402.0 6700123 g06 400.5 400.0 2 4 1614 18 6 8 10 12 399.5 403.0 402.5 399.0 t a = 25c t a = 85c t a = 125c t a = ?55c temperature (c) ?60 ?40 hysteresis (mv) 6 7 8 100 120 6700123 g07 5 4 ?20 0 20 40 60 80 3 10 9 2 four typical parts v s = 5v #1 #2 #3 #4 temperature (c) ?60 ?40 hysteresis (mv) 6 7 8 100 120 6700123 g08 5 4 ?20 0 20 40 60 80 3 10 9 2 v s = 1.4v v s = 5v v s = 12v v s = 18v supply voltage (v) hysteresis (mv) 6 7 8 6700123 g09 5 4 2 4 1614 18 6 8 10 12 3 10 9 2 t a = 25c t a = 85c t a = 125c t a = ?55c
lt6700/lt6700hv 12 6700123fh for more information www.linear.com/lt6700 typical performance characteristics minimum supply voltage quiescent supply current vs supply voltage start-up supply current supply current vs output sink current supply current vs output sink current supply current vs output sink current below ground input bias current low level input bias current high level input bias current supply voltage (v) ?5 threshold shift (mv) ?3 ?1 1 ?4 ?2 0 1.3 1.7 6700123 g10 1.9 1.10.9 1.5 t a = 25c t a = 85c t a = 125c t a = ?55c supply voltage (v) 1.4 3.4 supply current (a) 6 7 8 15.413.4 17.4 6700123 g11 5 4 5.4 7.4 9.4 11.4 10 9 t a = 25c t a = 85c t a = 125c t a = ?55c no load current supply voltage (v) 0 supply current (a) 30 40 50 0.8 6700123 g12 20 10 0 0.2 0.4 0.6 1.0 1.2 1.4 t a = 25c t a = 85c t a = 125c t a = ?55c output sink current (ma) 10 supply current (a) 100 0.001 0.1 1 10 6700123 g13 1 0.01 1000 100 t a = ?40c v s = 1.4v v s = 5v v s = 12v v s = 18v output sink current (ma) 10 supply current (a) 100 0.001 0.1 1 10 6700123 g14 1 0.01 1000 100 t a = 25c v s = 1.4v v s = 5v v s = 12v v s = 18v output sink current (ma) 10 supply current (a) 100 0.001 0.1 1 10 6700123 g15 1 0.01 1000 100 t a = 85c v s = 1.4v v s = 5v v s = 12v v s = 18v input voltage (v) 10 input bias current (na) 1000 10000 ?0.3 ?0.1 0 6700123 g16 1 ?0.2 100 t a = 25c t a = 85c t a = 125c t a = ?55c v s = 18v ?0.3v < v ib < 0v current is going out of the device input voltage (v) 0 ?7 input bias current (na) ?6 ?4 ?3 ?2 3 0 0.2 0.4 0.5 6700123 g17 ?5 1 2 ?1 0.1 0.3 0.6 0.7 10.90.8 t a = 25c t a = 85c t a = 125c t a = ?55c v s = 18v 0v < v ib < 1v current is positive going into the device input voltage (v) 0.01 input bias current (na) 1 10 1 3 5 7 9 11 13 15 17 6700123 g18 0.001 0.1 t a = 25c t a = 85c t a = 125c v s = 18v v ib > 1v current is going into the device
lt6700/lt6700hv 13 6700123fh for more information www.linear.com/lt6700 typical performance characteristics output saturation voltage vs output sink current output saturation voltage vs output sink current output saturation voltage vs output sink current output short-circuit current output short-circuit current output leakage current propagation delay vs input overdrive rise and fall times vs output pull-up resistor noninverting and inverting comparator propagation delay output sink current (ma) 10 output saturation voltage (mv) 100 0.001 0.1 1 10 6700123 g19 1 0.01 1000 100 t a = ?40c v s = 1.4v v s = 5v v s = 12v v s = 18v output sink current (ma) 10 output saturation voltage (mv) 100 0.001 0.1 1 10 6700123 g20 1 0.01 1000 100 t a = 25c v s = 1.4v v s = 5v v s = 12v v s = 18v output sink current (ma) 10 output saturation voltage (mv) 100 0.001 0.1 1 10 6700123 g21 1 0.01 1000 100 t a = 85c v s = 1.4v v s = 5v v s = 12v v s = 18v output voltage (v) 0 short-circuit current (ma) 40 50 60 6700123 g22 30 20 2 4 1614 18 6 8 10 12 10 80 70 0 t a = 25c t a = 85c t a = 125c t a = ?55c v s = 5v output voltage (v) 0 short-circuit current (ma) 40 50 60 6700123 g23 30 20 2 4 1614 18 6 8 10 12 10 80 70 0 t a = 25c v s = 1.4v v s = 5v v s = 12v v s = 18v output voltage (v) 0.01 output leakage current (na) 0.1 1 10 0 8 10 12 14 16 0.001 2 4 6 18 6700123 g24 t a = 25c t a = 85c t a = 125c t a = ?55c v s = 5v input overdrive (mv) 0 propagation delay (s) 30 40 50 60 80 6700123 g25 20 10 0 20 40 60 100 lh noninv hl noninv lh inv hl inv t a = 25c output pull-up resistor (k) 0.1 0.01 rise and fall time (s) 1 100 1 10 100 1000 6700123 g26 0.1 10 v s = 5v c l = 20pf t a = 25c rise fall 6700123 g27 v o(ninv) 5v/div dc v o(inv) 5v/div dc v in 10mv/div ac 20s/div v s = 15v t a = 25c r load = 10k connnected to v s v in(overdrive) = 10mv over the input voltage thresholds
lt6700/lt6700hv 14 6700123fh for more information www.linear.com/lt6700 applications information the lt6700-1/lt6700-2/lt6700-3/lt6700hv-1/ lt6700hv-2/lt6700hv-3 devices are a family of dual micropower comparators with a built-in 400mv refer - ence. features include wide supply voltage range (1.4v to 18v), over-the-top input and output range, 2% accurate rising input threshold voltage and 6.5mv typical built-in hysteresis. the comparators open-collector outputs can sink up to 40ma typical. internal reference each of the comparator sections has one input available externally, with the three versions of the part differing by the polarity of those available inputs (i.e., inverting or noninverting). the other comparator inputs are connected internally to the 400mv reference. the rising input threshold voltage of the comparators is designed to be equal to that of the reference (i.e., 400mv). the reference voltage is established with respect to the device gnd connection. hysteresis each comparator has built-in 6.5mv (typical) hysteresis to simplify designs, ensure stable operation in the presence of noise at the inputs, and to reject supply rail noise that might be induced by state change load transients. the hysteresis is designed such that the falling input threshold voltage is nominally 393.5mv. external positive feedback circuitry can be employed with noninverting comparator inputs to increase effective hysteresis if desired, but such circuitry will provide an apparent effect on both the rising and falling input thresholds (the actual internal thresholds remain unaffected). comparator inputs a comparator input can swing from ground to 18v (36v for lt6700hv), regardless of the supply voltage used. the typical input current for inputs well above threshold (i.e., >800mv) is a few pa leaking into an input. with decreasing input voltage, a small bias current begins to be drawn out of the input, reaching a few na when at ground potential. the input may be forced 100mv below ground without causing an improper output, though some additional bias current will begin to flow from the parasitic esd input pro - tection diode. inputs driven further negative than 100mv below ground will not cause comparator malfunction or damage (provided the current is limited to 10ma), but the accuracy of the reference cannot be guaranteed, in which case the output state of the alternate comparator may be affected. comparator outputs the comparator outputs are open collector and capable of sinking 40ma typical. load currents are directed out the gnd pin of the part. the output off-state voltage may range between C0.3v and 18v (36v for lt6700hv) with respect to ground, regardless of the supply voltage used. when the output high state bias voltage is above 18v, a 100k minimum pull-up resistor is required and total load capacitor must be less than 100nf. if the output high state is above 18v, caution must be taken to prevent a short from the output directly to the bias voltage, even if the output is in the off state. as with any open-collector device, the outputs may be tied together to implement wire-and logic functions. power supplies the comparator family core circuitry operates from a single 1.4v to 18v supply. a minimum 0.1f bypass capacitor is required between the v s pin and gnd. when an output load is connected to the supply rail near the part and the output is sinking more than 5ma, a 1f bypass capaci - tor is recommended. the voltage reference built into the lt6700 can be susceptible to high noise on the supply line, particularly noise that is less than 50khz and larger than 20mv p-p . in order to reduce the probability of a false comparator output in the presence of high supply noise, an rc filter should be used to reduce the noise. this filter can be created simply by adding a series r between the system supply and the lt6700 v s pin, using the decoupling capacitor to create a lowpass response. it is recommended that the filter have a time constant: t rc > v n /100 where v n is the peak-peak supply noise in millivolts and t rc is milliseconds. this filter will also increase the start-up time of the lt6700 by reducing the rate at which the supply can change. when
lt6700/lt6700hv 15 6700123fh for more information www.linear.com/lt6700 applications information using a supply filter, the start-up time of the lt6700 will increase to: t start = (0.17ms + 0.25 ? t rc ) ? v s where t start and t rc are in milliseconds and v s is the change in supply in volts. the low supply current of the lt6700 should not cause significant voltage drop due to a 2k maximum series r. flexible window comparator using the lt6700-1/lt6700hv-1 as shown in the circuits of figure 1, the wire-and configuration permits high accuracy window functions to be implemented with a simple 3-resistor voltage divider network. the section a comparator provides the v l trip-point and the section b comparator provides the v h trip-point, with the built-in hysteresis providing about 1.7% recovery level at each trip point to prevent output chatter. for designs that are to be optimized to detect departure from a window limit, the nominal resistor divider values are selected as follows (refer to the resistor designators shown on the first circuit of figure 1): r1 400k (this sets the divider current >> i b of inputs) r2 = r1 ? (0.98 ? v h /v l C 1) r3 = r1 ? (2.5 ? v h C 0.98 ? v h /v l ) to create window functions optimized for detecting entry into a window (i.e., where the output is to indicate a com- ing into spec condition, as with the examples in figure 1), figure 1. simple window comparator the nominal resistor values are selected as follows: r1 400k (this sets the divider current >> i b of inputs) r2 = r1 ? (1.02 ? v h /v l C 1) r3 = r1 ? (2.54 ? v h C 1.02 ? v h /v l ) the worst-case variance of the trip-points is related to the specified threshold limits of the lt6700/lt6700hv device and the basic tolerance of divider resistors used. for resistor tolerance r tol (e.g. 0.01 for 1%), the worst- case trip-point voltage (either v h or v l ) deviations can be predicted as follows (italicized values are taken from the data sheet, expressed in volts): max dev v trip = v tripnom ? {2 ? r tol ? [(v tripnom C 0.4) / v tripnom ] + 1.25 ? ( v th(r)max C v th(r)min )} max dev v trip = v tripnom ? { 2 ? r tol ? [(v tripnom C 0.39) / v tripnom ] + 1.27 ? ( v th(f)max C v th(f)min )} generating an external reference signal in some applications, it would be advantageous to have access to a signal that is directly related to the internal 400mv reference, even though the reference itself is not available externally. this can be accomplished to a reason - able degree by using an inverting comparator section as a bang-bang servo, establishing a nominal voltage, on an integration capacitor, that is scaled to the reference. this method is used in figure 2, where the reference level has been doubled to drive a resistor bridge. the section b output cycles on and off to swing the section b input between its hysteresis trip points as the load capacitor lt6700-1 v s gnd r3 301k r2 6.04k 33k +ina ?inb outb outa v out v s v l v h 3.3v 3.3v supply monitor 5v supply monitor r1 40.2k v out high = (3.1v < v s < 3.5v) hysteresis zones approximately 2% of trip voltage lt6700-1 v s gnd 487k 6.04k 33k +ina ?inb outb outa 5v 40.2k v out high = (4.7v < v s < 5.3v) 6700123 f01 0.1f 0.1f
lt6700/lt6700hv 16 6700123fh for more information www.linear.com/lt6700 applications information figure 3. isolated pwm or ? converter lt6700-1 v s 10k gnd +ina ?inb outb outa 100k* 100k* 0.22f ?? + ? 412k* 10k** 470 lithium coin cell 10k 10k 750 10k 750** ? 3v/5v 3v/5v ? sample in moc-207 moc-207** pwm out (or ? sense) 2 1 5 6 5 6 2 1 0.1f 0.1f 3v nom (i s < 3ma) 5 ? v ref = 2v 6700123 f03 22f 1% metal film delete for pwm mode connect for pwm mode optimized for 2khz ? sampling, f pwm(max) 0.6khz * ** ? ?? 309k* nc7s14 309k* v in 0v to 2v + figure 2. micropower thermostat/temperature alarm lt6700-1 v s 10k gnd +ina ?inb outb outa 499k r th t r th = 1m (e.g., ysi 44015, 1.00m at 25c) r set = r th at t set *resistance may require optimization for operation over intended r th and v supply ranges hysteresis zone 0.4c r set 2 ? v ref 499k 220k 220k* 3.3f 3.3f 1.4v to 18v (i s 10a) 0.1f t < t set 6700123 f02 charges and discharges in a shallow, controlled fashion. the multiplied reference signal also contains ripple that is the hysteresis multiplied by the same factor, so additional filtering is performed at the sense node of the bridge to prevent comparator chatter in the section a comparator, which is performing the actual conditional decision for the circuit. instrumentation grade pulse width modulator (pwm) comparators with hysteresis are frequently employed to make simple oscillator structures, and the lt6700/ lt6700hv lends itself nicely to forming a charge-balancing pwm function. the circuit shown in figure 3 forms a pwm that is intended to transmit an isolated representation of a voltage difference, rather like an isolated instrumentation amplifier. the section b comparator is used to generate a 2v reference supply level for the cmos not gate (inverter), which serves as the precision switch element for the charge balancer. the heart of the charge balancer is the section a comparator, which is detecting slight charge or discharge states on the 0.22f integration capacitor as it remains balanced at 400mv by feedback through the not gate. the input sense voltage, v in , is converted to an imbal - ance current that the not gate duty cycle is continually correcting for, thus the digital waveform at the section a comparator output is a pwm representation of v in with respect to the 2v full scale. in this particular circuit, the pwm information drives the led of an opto-coupler, allow - ing the v in information to be coupled across a dielectric barrier. as an additional option to the circuit, the feedback loop can be broken and a second opto-coupler employed to provide the charge balance management. this configura - tion allows for clocking the comparator output (externally to this circuit) and providing synchronous feedback such that a simple voltage-to-frequency conversion can be formed if desired. approximately 11-bit accuracy and noise performance was observed in a one second integration period for duty factors from 1% to 99%.
lt6700/lt6700hv 17 6700123fh for more information www.linear.com/lt6700 3.00 0.10 (2 sides) 2.00 0.10 (2 sides) note: 1. drawing to be made a jedec package outline m0-229 variation of (tbd) 2. drawing not to scale 3. all dimensions are in millimeters 4. dimensions of exposed pad on bottom of package do not include mold flash. mold flash, if present, shall not exceed 0.15mm on any side 5. exposed pad shall be solder plated 6. shaded area is only a reference for pin 1 location on the top and bottom of package 0.40 0.10 bottom view?exposed pad 1.65 0.10 (2 sides) 0.75 0.05 r = 0.115 typ r = 0.05 typ 1.35 0.10 (2 sides) 1 3 64 pin 1 bar top mark (see note 6) 0.200 ref 0.00 ? 0.05 (dcb6) dfn 0405 0.25 0.05 0.50 bsc pin 1 notch r0.20 or 0.25 45 chamfer 0.25 0.05 1.35 0.05 (2 sides) recommended solder pad pitch and dimensions 1.65 0.05 (2 sides) 2.15 0.05 0.70 0.05 3.55 0.05 package outline 0.50 bsc package information dcb package 6-lead plastic dfn (2mm 3mm) (reference ltc dwg # 05-08-1715 rev a)
lt6700/lt6700hv 18 6700123fh for more information www.linear.com/lt6700 1.50 ? 1.75 (note 4) 2.80 bsc 0.30 ? 0.45 6 plcs (note 3) datum ?a? 0.09 ? 0.20 (note 3) s6 tsot-23 0302 rev b 2.90 bsc (note 4) 0.95 bsc 1.90 bsc 0.80 ? 0.90 1.00 max 0.01 ? 0.10 0.20 bsc 0.30 ? 0.50 ref pin one id note: 1. dimensions are in millimeters 2. drawing not to scale 3. dimensions are inclusive of plating 4. dimensions are exclusive of mold flash and metal burr 5. mold flash shall not exceed 0.254mm 6. jedec package reference is mo-193 3.85 max 0.62 max 0.95 ref recommended solder pad layout per ipc calculator 1.4 min 2.62 ref 1.22 ref package information s6 package 6-lead plastic tsot-23 (reference ltc dwg # 05-08-1636)
lt6700/lt6700hv 19 6700123fh for more information www.linear.com/lt6700 information furnished by linear technology corporation is believed to be accurate and reliable. however, no responsibility is assumed for its use. linear technology corporation makes no representa - tion that the interconnection of its circuits as described herein will not infringe on existing patent rights. revision history rev date description page number g 5/10 power supplies section updated modified part number header for clarity 14 1 to 20 h 6/13 web hyperlinks added addition of mp grade in sot23 package 1-20 2, 3 (revision history begins at rev g)
lt6700/lt6700hv 20 6700123fh for more information www.linear.com/lt6700 ? linear technology corporation 2003 lt 0613 rev h ? printed in usa linear technology corporation 1630 mccarthy blvd., milpitas, ca 95035-7417 (408) 432-1900 fax : (408) 434-0507 www.linear.com/lt6700 related parts typical applications powerpath? controller 48v status monitor part number description comments lt1017/lt1018 micropower dual comparator 1.1v (min) supply voltage, 1.4mv (max) input offset ltc1441/ltc1442 micropower dual comparator with 1% reference 1.182 1% reference, 10mv (max) input offset ltc1998 micropower comparator for battery monitoring 2.5a typ supply current, adjustable threshold and hysteresis lt6703 micropower comparator with 400mv reference 1.4v to 18v supply current, 6.5a supply current 1.74m 7.87k v in 27k 33k moc-207 6700123 ta03 v out low = (39v < v in < 70v) 3v/5v 1 6 2 5 33k v in hysteresis zones approximately 2% of trip voltage v out led off led on v l v h 10k 5.1v cmpz5231b 22v cmpz5251b 0.1f + ? lt6700-1 v s gnd +ina ?inb outb outa lt6700-3 v s gnd +ina +inb outb outa 1k r1 249k r2 150k r1 = 400k/(v batt at low ?0.4) r2 = 400k/(v batt at max ?0.4) hysteresis zones approximately 2% of trip voltage powerpath is a trademark of linear technology corporation 1m 1m si2301ds b0520lw 100k v supply 1.6v min 3v nom v wart > 3.1v v batt > 2v 1f 6700123 ta04 10k ?wart? input 3.3v nom alkaline aa cells + +

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