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data sheet march 27, 2008 lc/lw010- and lc/lw015-series power modules: 18 vdc to 36 vdc or 36 vdc to 75 vdc inputs, 10 w and 15 w the lc/lw010- and lc/lw015-series power modules use advanced, surface-mount technology and deliver high-qual- ity, compact, dc-dc conversion at an economical price. options n remote on-off n choice of on/off configuration n short pin: 2.8 mm 0.25 mm (0.110 in. 0.010 in.) n synchronization (cannot be ordered on units with remote on/off) n output voltage adjust: 90% to 110% of v o, nom (single outputs only) n tight output voltage tolerance features n low profile: 10.2 mm x 25.4 mm x 50.8 mm (0.4 in. x 1.0 in. x 2. 0 in.) with standoffs (9.6 mm (0.38 in.) with standoffs recessed) n wide input voltage range: 18 vdc to 36 vdc or 36 vdc to 75 vdc n output current limitin g, unlimited duration n output overvoltage clamp n undervoltage lockout n input-to-output isolation: 1500 v n operating case temperature range: ?40 c to +105 c n ul * 1950 recognized, csa ? 22.2 no. 950-95 certified, iec950, and vde0805 licensed n ce mark meets 73/23/eec and 93/68/eec directives ? n within fcc and vde class a radiated limits applications n telecommunications n distributed power architectures n private branch exchange (pbx) n voice and data multiplexing description the l single- and dual-output-series power modules are low-profile, dc-dc converters that operate over an input voltage range of 18 vdc to 36 vdc or 36 vdc to 75 vdc and provide one or two precisely regulated out- puts. the outputs are isolated from the input, allowing versatile polarity configurat ions and grounding connec- tions. the modules have a maximum power rating of 10 w to 15 w and efficiencies of up to 84% for a 5 v output and 82% for a 3.3 v output. built-in filtering for bo th input and output minimizes the need for external fil- tering. * ul is a registered trademark of underwriters laboratories, inc. ? csa is a registered trademark of canadian standards association. ? this product is intended for integration into end-use equipment. all the required procedures for ce marking of end-use equipme nt should be followed. (the ce mark is placed on selected products.)
2 lineage power data sheet march 27, 2008 18 vdc to 36 vdc or 36 vdc to 75 vdc inputs, 10 w and 15 w lc/lw010- and lc/lw015-series power modules: absolute maximum ratings stresses in excess of the absolute maximum ratings can cause permanent damage to the device. these are abso- lute stress ratings only. functional operation of the device is not implied at these or any other conditions in excess of those given in the operations sections of the data sheet. exposure to absolute maximum ratings for extended periods can adversely af fect device reliability. * maximum case temperature varies based on power dissipation. see derating curves, figures 43?45, for details. electrical specifications fusing considerations caution: this power module is not internally fu sed. an input line fuse must always be used. this encapsulated power module can be used in a wide va riety of applications, ranging from simple stand-alone operation to an integrated pa rt of a sophisticated power architecture. to preserve maxi mum flexibility, internal fus- ing is not included; however, to achieve maximum safety and system protection, always use an input line fuse. the safety agencies require a normal-blow, dc fuse with a maxi mum rating of 5 a (see safety considerations section). based on the information provided in this data sheet on inrush energy and maximum dc input current, the same type of fuse with a lower rating can be used. refer to the fu se manufacturer?s data for further information. parameter device symbol min typ max unit input voltage: continuous transient (100 ms) lc lw lw v i v i v i, trans 0 0 0 ? ? ? 50 80 100 vdc vdc v operating case temperature (see derating curves, figures 43?45.) all t c ?40 ? 105* c storage temperature all t stg ?55 ? 125 c i/o isolation all ? ? ? 1500 vdc table 1. input specifications parameter device symbol min typ max unit operating input voltage lc lw v i v i 18 36 24 48 36 75 vdc vdc maximum input current (v i = 0 to v i, max ; i o = i o, max ; see figures 1?4.) lc lw i i, max i i, max ? ? ? ? 1.6 800 a ma inrush transient all i 2 t ??0.2 a 2 s input reflected-ripple current (5 hz to 20 mhz; 12 h source imped- ance; t a = 25 c; see figure 33.) all i i ?5?map-p input ripple rejection (100 hz?120 hz) all ? ? 45 ? db
lineage power 3 data sheet march 27, 2008 18 vdc to 36 vdc or 36 vdc to 75 vdc inputs, 10 w and 15 w lc/lw010- and lc/lw015-series power modules: electrical specifications (continued) table 2. output specifications parameter device code or suffix symbol min typ max unit output voltage set point (v i = v i, nom ; i o = i o, max ; t a = 25 c) d g* f a b c aj bk cl v o, set v o, set v o, set v o, set v o, set v o, set v o1, set v o2, set v o1, set v o2, set v o1, set v o2, set 1.92 ? 3.17 4.85 11.52 14.40 4.75 ?4.75 11.40 ?11.40 14.25 ?14.25 2.0 2.5 3.3 5.0 12.0 15.0 5.0 ?5.0 12.0 ?12.0 15.0 ?15.0 2.08 ? 3.43 5.20 12.48 15.60 5.25 ?5.25 12.60 ?12.60 15.75 ?15.75 vdc vdc vdc vdc vdc vdc vdc vdc vdc vdc vdc vdc output voltage (over all line, load, and temperature conditions until end of life; see figures 35 and 37.) d g* f a b c aj bk cl v o, set v o, set v o, set v o, set v o, set v o, set v o1, set v o2, set v o1, set v o2, set v o1, set v o2, set 1.90 ? 3.13 4.80 11.40 14.25 4.5 ?4.5 10.80 ?10.80 13.50 ?13.50 ? 2.5 ? ? ? ? ? ? ? ? ? ? 2.10 ? 3.47 5.25 12.60 15.75 5.5 ?5.5 13.20 ?13.20 16.50 ?16.50 vdc vdc vdc vdc vdc vdc vdc vdc vdc vdc vdc vdc output regulation (see figures 5?11): line (v i = v i, min to v i, max ) load (i o = i o, min to i o, max ) load (i o = i o, min to i o, max ) temperature (t c = ?40 c to +85 c) a, f, d, g* b, c lx010 a, f, d, g* b, c lx015 a, f, d, g* b, c a, f, d, g* b, c ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 0.01 ? 0.1 ? 0.1 25 0.5 5 0.1 10 0.2 15 0.2 100 2.0 mv %v o mv %v o mv %v o mv %v o output ripple and noise (across 2 x 0.47 f ceramic capaci- tors; see figures 34 and 36.): rms peak-to-peak (5 hz to 20 mhz) a, d, f, g* aj, b, c bk, cl a, d, f, g* aj, b, c bk, cl ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 30 35 50 100 120 150 mvrms mvrms mvrms mvp-p mvp-p mvp-p external load capacitance a, f, d, g* b, c ? ? ? ? ? ? 1000 200 f f * for a 2.5 v output, use the 2 v output module (d code) with an output voltage trim pin (optional feature).
4 lineage power data sheet march 27, 2008 18 vdc to 36 vdc or 36 vdc to 75 vdc inputs, 10 w and 15 w lc/lw010- and lc/lw015-series power modules: output current (at i o < i o, min , the modules may exceed output ripple specifications, but operation is guaranteed.) note: on the lx01xf, the output voltage may exceed specifications when i o lineage power 5 data sheet march 27, 2008 18 vdc to 36 vdc or 36 vdc to 75 vdc inputs, 10 w and 15 w lc/lw010- and lc/lw015-series power modules: efficiency (v i = v i, nom ; i o = i o, max ; t a = 25 c; see figures 15?28, 35, and 37.) lc015d lc015f lc015a lc015b, c lc010d, g* lc010f lc010a, b, c LC010AJ, bk, cl lw015d lw015f lw015a lw015b, c lw010d, g* lw010f lw010a, b, c lw010aj, bk, cl 64 74 77 73 65 71 75 75 66 76 79 75 67 73 77 77 67 77 80 76 68 75 79 78 69 79 82 78 70 76 81 80 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? % % % % % % % % % % % % % % % % efficiency (v i = v i, nom ; i o = 2 a; t a = 25 c; see figures 15, 18, 22, and 25.) lc015f lc015a lw015f lw015a ? ? ? ? 79 82 82 84 ? ? ? ? % % % % switching frequency all ? ? 265 ? khz dynamic response (for duals: i o1 or i o2 = i o, max ; i o / t = 1a/10 s; v i = v i, nom ; t a = 25 c; see figures 29 and 30.): load change from i o = 50% to 75% of i o, max : peak deviation settling time (v o < 10% of peak deviation) load change from i o = 50% to 25% of i o, max : peak deviation settling time (v o < 10% of peak deviation) all all all all ? ? ? ? ? ? ? ? 2 0.8 2 0.8 ? ? ? ? %v o, set ms %v o, set ms * for a 2.5 v output, use the 2 v output module (d code) with an output voltage trim pin (optional feature). table 3. isolation specifications parameter min typ max unit isolation capacitance ? 600 ? pf isolation resistance 10 ? ? m table 2. output specifications (continued) parameter device code or suffix symbol min typ max unit electrical specifications (continued)
6 lineage power data sheet march 27, 2008 18 vdc to 36 vdc or 36 vdc to 75 vdc inputs, 10 w and 15 w lc/lw010- and lc/lw015-series power modules: electrical specifications (continued) table 4. general specifications parameter min typ max unit calculated mtbf (i o = 80% of i o, max ; t c = 40 c): lx010 lx015 ? ? 7,800,000 5,400,000 ? ? hours hours weight ? ? 28.3 (1.0) g (oz.) hand soldering (soldering iron 3 mm (0.125 in.) tip, 425 c) ?? 1 2 s table 5. feature specifications parameter device code or suffix symbol min typ max unit remote on/off signal interface (optional): (v i = 0 v to v i , max ; open collector or equivalent compatible; signal referenced to v i (?) terminal. see figure 38 and feature descriptions.): positive logic? device code suffix ?4?: logic low?module off logic high?module on negative logic? device code suffix ?1?: logic low?module on logic high?module off module specifications: on/off current?logic low on/off voltage: logic low logic high (i on/off = 0) open collector switch specifications: leakage current during logic high (v on/off = 10 v) output low voltage during logic low (i on/off = 1 ma) all all all all all i on/off v on/off v on/off i on/off v on/off ? ?0.7 ? ? ? ? ? ? ? ? 1.0 1.2 10 50 1.2 ma v v a v turn-on delay and rise times (at 80% of i o, max ; t a = 25 c; see figures 31 and 32.): case 1: on/off input is set for unit on and then input power is applied (delay from point at which v i = v i, min until v o = 10% of v o, nom ). case 2: input power is applied for at least one second, and then the on/off input is set to turn the module on (delay from point at which on/off input is toggled until v o = 10% of v o, nom ). output voltage rise time (time for v o to rise from 10% of v o, nom to 90% of v o, nom ) output voltage overshoot (at 80% of i o, max ; t a = 25 c) all all all all t delay t delay t rise ? ? ? ? ? 5 1 0.2 ? 20 10 5 5 ms ms ms %
data sheet march 27, 2008 lineage power 7 18 vdc to 36 vdc or 36 vdc to 75 vdc inputs, 10 w and 15 w lc/lw010- and lc/lw015-series power modules: electrical specifications (continued) output voltage set-point adjustment range (optional: single outputs only) a, b, f c d ? ? ? 90 90 90 ? ? ? 110 100 125 %v o, nom %v o, nom %v o, nom output overvoltage clamp (v o , clamp may be set higher on units with out- put voltage set-point adjustment option.) d f a b c aj bk cl v o, clamp v o, clamp v o, clamp v o, clamp v o, clamp v o1, clamp v o2, clamp v o1, clamp v o2, clamp v o1, clamp v o2, clamp 2.60 3.7 5.6 13.2 16.5 5.6 ?5.6 13.2 ?13.2 16.5 ?16.5 ? ? ? ? ? ? ? ? ? ? ? 4.0 5.7 7.0 16.0 21.0 7.0 ?7.0 18.0 ?18.0 21.0 ?21.0 v v v v v v v v v v v undervoltage lockout lcxxx lwxxx v uvlo v uvlo 11 20 14 27 ? ? v v table 5. feature specifications (continued) parameter device code or suffix symbol min typ max unit characteristic curves 8-1785(c) figure 1. lc010 input current vs. input voltage at i o = i o , max and t c = 25 c 8-1786(c) figure 2. lc015 input current vs. input voltage at i o = i o , max and t c = 25 c 5 10 15 25 20 30 0.0 0.6 input voltage, v i (v) 0.4 0.3 0.5 35 0.8 40 0 0.7 0.2 0.1 0.9 input current, i i (a) 0.4 0.0 0.8 1.2 1.4 0.2 0.6 1.0 5 10 15 35 20 40 0 30 25 input voltage, v i (v) input current, i i (a)
8 lineage power data sheet march 27, 2008 18 vdc to 36 vdc or 36 vdc to 75 vdc inputs, 10 w and 15 w lc/lw010- and lc/lw015-series power modules: characteristics curves (continued) 8-1787(c) figure 3. lw010 input curre nt vs. input voltage at i o = i o , max and t c = 25 c 8-1788(c) figure 4. lw015 input curre nt vs. input voltage at i o = i o , max and t c = 25 c 8-1789(c) figure 5. lx010x/lx015x single-output load regulation, normalized output voltage vs. normalized output current at t c = 25 c 8-1790(c) note: output2 has characteristics similar to output1 when i o1 = 0.5 a and i o2 varies. figure 6. lx010aj typi cal load regulation of output1 with fixed i o2 = 0.5 a at t c = 25 c 8-1791(c) note: output2 has characteristics similar to output1 when i o2 = 0.1 a and i o1 varies. figure 7. lx010aj typi cal cross regulation, v o1 vs. i o2 with fixed i o1 = 0.1 a at t c = 25 c 10 20 30 50 40 60 0.00 0.30 input voltage, v i (v) 0.20 0.15 0.25 70 0.40 80 0 0.35 0.10 0.05 0.45 0.50 input current, i i (a) 0.2 0.0 0.4 0.6 0.7 0.1 0.3 0.5 10 20 30 70 40 80 0 60 50 input voltage, v i (v) input current, i i (a) 0.1 0.2 0.6 0.7 0.8 0.9 0.997 1.002 normalized output current (i o /i o , max ) 1.000 0.999 1.001 1.0 0.0 1.003 0.998 0.4 0.5 0.3 v i = low line v i = high line v i = nom line normalized output voltage (v o /v o , set ) 0.1 0.2 0.3 0.4 0.5 0.6 4.90 5.05 output current 1, i o1 (a) 5.00 5.10 1.0 0.0 4.95 0.7 5.15 0.8 0.9 v i = high line v i = low line v i = nom line output voltage 1, v o1 (v) 0.1 0.2 0.6 0.7 0.8 0.9 4.95 5.20 output current 2, i o2 (a) 5.10 5.05 5.15 1.0 0.0 5.25 5.00 0.4 0.5 0.3 v i = low line v i = nom line v i = high line output voltage 1, v o1 (v)
9 lineage power data sheet march 27, 2008 18 vdc to 36 vdc or 36 vdc to 75 vdc inputs, 10 w and 15 w lc/lw010- and lc/lw015-series power modules: characteristics curves (continued) 8-1792(c) note: output2 has characteri stics similar to output1 when i o2 = 1.0 a and i o1 varies. figure 8. lx010aj typi cal cross regulation, v o1 vs. i o2 with fixed i o1 = 1.0 a at t c = 25 c 8-1793(c) note: output2 has characteri stics similar to output1 when i o1 = (0.5 * i o , max ) and i o2 varies. figure 9. lx010bk, cl load regulation of output1 with fixed i o2 = 0.5 * i o , max at t c = 25 c, normalized v o1 vs. normalized current i o1 8-1794(c) note: output2 has characteristics similar to output1 when i o2 = i o , min and i o1 varies. figure 10. lx010bk, cl typi cal cross regulation, normalized v o1 vs. normalized i o2 with fixed i o1 = i o , min at t c = 25 c 8-1795(c) note: output2 has characteristics similar to output1 when i o2 = i o , max and i o1 varies. figure 11. lx010bk, cl ty pical cross regulation, normalized v o1 vs. normalized i o2 with fixed i o1 = i o , max at t c = 25 c 0.1 0.2 0.3 0.5 0.6 0.7 4.75 4.90 output current 2, i o2 (a) 4.85 4.95 1.0 0.0 4.80 0.8 0.9 5.00 0.4 output voltage 1, v o1 (v) v i = high line v i = nom line v i = low line 0.15 0.30 0.45 0.75 0.90 0.990 1.013 normalized output current (i o1 /i o1 , max ) 1.010 1.016 1.05 0.0 1.006 1.020 0.60 1.003 1.000 0.996 0.993 v i = high line i o = i o , max i o = i o , min v i = low line v i = nom line normalized output voltage 1 (v o1 /v o1 , set ) 1.020 1.003 0.996 1.010 1.016 1.023 1.000 1.007 1.013 0.15 0.45 0.60 0.75 0.90 1.05 0.0 0.30 normalized output current 2 (i o2 /i o2 , max ) v i = nom line v i = low line v i = high line i o = i o , min i o = i o , max normalized output voltage 1 (v o1 /v o1 , set ) 1.000 0.966 0.953 0.980 0.993 1.006 0.960 0.973 0.987 0.15 0.45 0.60 0.75 0.90 1.05 0.0 0.30 normalized output current 2 (i o2 /i o2 , max ) normalized output voltage 1 (v o1 /v o1 , set ) v i = low line v i = nom line v i = high line i o = i o , max i o = i o , min
10 lineage power data sheet march 27, 2008 18 vdc to 36 vdc or 36 vdc to 75 vdc inputs, 10 w and 15 w lc/lw010- and lc/lw015-series power modules: characteristics curves (continued) 8-1796(c) figure 12. lx010x/lx015x single-output normalized output current vs. normalized output voltage at t c = 25 c 8-1797(c) note: output2 has characteri stics similar to output1 when output1 is set to i o , min . figure 13. lx010xx dual-output normalized output current vs. normalized output voltage at t c = 25 c with other output at i o , min 8-1798(c) note: output2 has characteristics similar to output1 when output1 is set to i o , max . figure 14. lx010xx dual-output normalized output current vs. normalize d output voltage at t c = 25 c with other output at i o = i o , max 8-1800(c) figure 15. lc015a typical efficiency vs. output current at t c = 25 c 0.25 0.50 0.75 1.00 0.0 0.8 output current normalized to i o , max (i o /i o , max ) 0.6 1.0 2.00 0.00 0.4 1.25 1.2 1.50 1.75 0.2 normalized output voltage (v o /v o , set ) v i = low line v i = nom line v i = high line 0.5 1.0 1.5 2.0 2.5 3.0 0.0 0.5 normalized output current 1 with output current 2 set to i o , min (i o1 /i o1 , max ) 4.5 0.0 3.5 4.0 1.0 v i = nom line v i = low line v i = high line normalized output voltage 1 (v o1 /v o1 , set ) 0.0 1.0 0.5 0.5 1.0 1.5 3.5 2.0 4.0 0.0 3.0 2.5 normalized output current 1 with output current 2 set to i o , max (i o1 /i o1 , max ) v i = nom line v i = low line v i = high line normalized output voltage 1 (v o1 /v o1 , set ) 0.5 1.0 1.5 2.0 70 78 output current, i o (a) 76 80 0.0 74 2.5 86 3.0 efficiency, (%) 82 84 72 v i = 27 v v i = 20 v v i = 18 v v i = 36 v
11 lineage power data sheet march 27, 2008 18 vdc to 36 vdc or 36 vdc to 75 vdc inputs, 10 w and 15 w lc/lw010- and lc/lw015-series power modules: characteristics curves (continued) 8-1801(c) figure 16. lc015b, c typical efficiency vs. normalized output current at t c = 25 c 8-2049(c) figure 17. lc010d and lc015d typical efficiency vs. output current at t c = 25 c 8-1802(c) figure 18. lc015f typical efficiency vs. output current at t c = 25 c 8-1803(c) figure 19. lc010a, b, c typical efficiency vs. normalized output current at t c = 25 c 8-1804(c) figure 20. lc010f typical efficiency vs. output current at t c = 25 c 8-1805(c) figure 21. LC010AJ, bk, cl typical efficiency vs. normalized output current at t c = 25 c 0.16 0.32 0.48 0.64 60 75 normalized output current (i o /i o , max ) 70 80 0.0 65 0.80 85 0.96 efficiency, (%) v i = 36 v v i = 27 v v i = 18 v 0.5 1 2 1.5 2.5 3 0 60 70 68 66 58 72 64 62 output current, i o (a) efficiency, (%) v i = 36 v v i = 27 v v i = 18 v 0.5 1.0 1.5 2.0 2.5 3.0 70 80 76 74 78 0.0 82 72 output current, i o (a) efficiency, (%) v i = 36 v v i = 27 v v i = 18 v 0.1 0.2 0.4 0.5 0.6 0.7 70 76 normalized output current (i o /i o , max ) 74 78 1.0 0.0 72 0.8 0.9 80 82 0.3 efficiency, (%) v i = 36 v v i = 27 v v i = 18 v 75 50 40 60 70 80 45 55 65 0.5 1.0 1.5 2.0 2.5 0.0 output current, i o (a) efficiency, (%) v i = 36 v v i = 27 v v i = 18 v 0.23 0.35 0.47 0.71 0.59 0.83 60 72 normalized output current, i o1 = i o2 [(i o1 + i o2 )/(i o1 , max + i o2 , max )] 68 66 70 0.95 76 0.10 efficiency, (%) 74 64 62 78 80 v i = 36 v v i = 24 v v i = 18 v
12 12 lineage power data sheet march 27, 2008 18 vdc to 36 vdc or 36 vdc to 75 vdc inputs, 10 w and 15 w lc/lw010- and lc/lw015-series power modules: characteristics curves (continued) 8-1864(c) figure 22. lw015a typical efficiency vs. output current at t c = 25 c 8-1863(c) figure 23. lw015b, c typical efficiency vs. normalized output current at t c = 25 c 8-1862(c) figure 24. lw010d, 015d typical efficiency vs. output current at t c = 25 c 8-1861(c) figure 25. lw015f typical efficiency vs. output current at t c = 25 c 8-1860(c) figure 26. lw010a, b, c typical efficiency vs. normalized output current at t c = 25 c 8-1859(c) figure 27. lw010f typical efficiency vs. output current at t c = 25 c 1.0 1.5 2.0 2.5 60 85 output current, i o (a) 75 80 efficiency, (%) 0.0 0.5 3.0 90 70 65 v i = 48 v v i = 75 v v i = 36 v 0.33 0.5 0.66 0.83 70 80 normalized output current (i o /i o , max ) 76 78 0.05 0.19 1.0 82 74 72 v i = 48 v v i = 75 v efficiency, (%) v i = 36 v 1.0 1.5 2.0 2.5 10 60 output current, i o (a) 40 50 efficiency, (%) 0.0 0.5 3.0 80 30 20 v i = 48 v v i = 75 v v i = 36 v 70 1.0 1.5 2.0 2.5 60 75 output current, i o (a) 65 70 efficiency, (%) 0.0 0.5 3.0 85 v i = 48 v v i = 75 v v i = 36 v 80 0.20 0.43 0.57 0.71 70 78 normalized output current (i o /i o , max ) 74 76 efficiency, (%) 0.0 0.14 1.0 82 80 72 0.86 v i = 48 v v i = 75 v v i = 36 v 1.0 1.5 2.0 2.5 60 76 output current, i o (a) 72 74 efficiency, (%) 0.0 0.5 80 78 62 v i = 48 v v i = 75 v v i = 36 v 64 66 68 70
lineage power 13 data sheet march 27, 2008 18 vdc to 36 vdc or 36 vdc to 75 vdc inputs, 10 w and 15 w lc/lw010- and lc/lw015-series power modules: characteristics curves (continued) 8-1858(c) figure 28. lw010aj, bk, cl typical efficiency vs. normalized output current at t c = 25 c 8-1857(c) figure 29. single-output typical output voltage for step load change from 50% to 75% of i o = i o , max 8-1856(c) figure 30. single-output typical output voltage for step load change from 50% to 25% of i o =i o , max 8-1806(c) figure 31. typical output voltage start-up when input voltage is applied; i o = 80% of i o , max , v i = nominal line 8-1807(c).a figure 32. typical output voltage start-up when signal is applied to remote on/off; i o = 80% of i o , max 0.2 0.3 0.9 1.0 60 75 normalized output current, i o1 = i o2 [(i o1 + i o2 )/(i o1 , max + i o2 , max )] 65 70 efficiency, (%) 0 0.1 85 80 0.4 0.5 0.6 0.7 0.8 v i = 48 v v i = 75 v v i = 36 v time, t (100 ?/div) normalized output voltage (v o /v o , set ) 1.0 0.99 0.75 0.50 load current (i o /i o , max ) 1.01 time, t (100 ?/div) normalized output voltage(v o /v o , set ) 0.99 1.0 1.01 0.50 0.25 load current (i o /i o , max ) time, t (2 ms/div) 1.0 0 1.0 0 normalized output voltage; v o /v o , set single outputs, v o1 /v o1 , set dual outputs input voltage (v i /v i , nom ) time, t (1 ms/div) 1.0 0.0 4.0 2.0 0 normalized output voltage; v o /v o , set single outputs, v o1 /v o1 , set dual outputs remote on/off, v on/off (v) (2 v/div)
14 14 lineage power data sheet march 27, 2008 18 vdc to 36 vdc or 36 vdc to 75 vdc inputs, 10 w and 15 w lc/lw010- and lc/lw015-series power modules: test configurations 8-203(c) note: input reflected-ripple current is measured with a simulated source impedance of 12 h. capa citor cs offsets possible battery impedance. current is measured at the input of the module. figure 33. input reflected-ripple test setup 8-513(c).g note: use two 0.47 f ceramic capacitors. scope measurement should be made using a bnc socket. position the load between 50 mm and 75 mm (2 in. and 3 in.) from the module. figure 34. peak-to-peak output noise measurement test setup for single outputs 8-204(c) note: all measurements are taken at the module terminals. when socketing, place kelvin connec tions at module terminals to avoid measurement errors due to socket contact resistance. figure 35. output voltage and efficiency measurement test setup for single outputs 8-808(c).d note: use four 0.47 f ceramic capacitors. scope measurement should be made using a bnc socket. position the load between 50 mm and 75 mm (2 in. and 3 in.) from the module. figure 36. peak-to-peak output noise measurement test setup for dual outputs 8-863(c).a note: all measurements are taken at the module terminals. when socketing, place kelvin connec tions at module terminals to avoid measurement errors due to socket contact resistance. figure 37. output voltage and efficiency measurement test setup for dual outputs to oscilloscope 12 ? c s 220 ? impedance < 0.1 @ 20 ?c, 100 khz v i (+) v i (-) battery 33 ? current probe l test v o (+) v o (? 0.47 ? resistive load scope copper strip 0.47 ? v i (+) v i (-) v o (+) v o (-) i i i o supply contact resistance contact and distribution losses load v o (+) v o (?) ? [] i o v i (+) v i (?) ? [] i i ------------------------------------------------ ?? ?? 100 = v o1 (+ ) v o2 (-) 0.47 ? 0.47 ? scope copper strip scope com r load1 r load2 0.47 ? 0.47 ? v i (+) i i i o supply contact resistance contact and distribution losses load v i (-) v o1 v o2 com load v oj com ? [] i oj j1 = 2 v i + () v i ? () ? [] i i ----------------------------------- --------------- - x100 =
lineage power 15 data sheet march 27, 2008 18 vdc to 36 vdc or 36 vdc to 75 vdc inputs, 10 w and 15 w lc/lw010- and lc/lw015-series power modules: design considerations input source impedance the power module should be connected to a low ac-impedance input source . highly inductive source impedances can affect the stability of the power mod- ule. if the source inductance exceeds 4 h, a 33 f electrolytic capacitor (esr < 0.7 at 100 khz) mounted close to the power module helps ensure stability of the unit. safety considerations for safety-agency approval of the system in which the power module is used, the power module must be installed in compliance with the spacing and separation requirements of the end-use safety agency standard, i.e., ul 1950, csa 22.2 no. 950-95, en60950, and iec950. for the converter output to be considered meeting the requirements of safety extra-low voltage (selv), one of the following must be true of the dc input: n all inputs are selv and floating, with the output also floating. n all inputs are selv and grounded, with the output also grounded. n any non-selv input must be provided with rein- forced insulation from any other hazardous voltages, including the ac mains, and must have a selv reli- ability test performed on it in combination with the converters. the power module has extra-low voltage (elv) outputs when all inputs are elv. the input to these units is to be provided with a maxi- mum 5 a normal-blow fuse in the ungrounded lead. feature descriptions output overvoltage clamp the output overvoltage clamp consists of control cir- cuitry, independent of the pr imary regulation loop, that monitors the voltage on the output terminals. this con- trol loop has a higher voltage set point than the primary loop (see feature specifications table). in a fault condi- tion, the overvoltage clamp ensures that the output voltage does not exceed v o, clamp, max . this provides a redundant voltage-control that reduces the risk of output overvoltage. current limit to provide protection in a fault (output overload) condi- tion, the unit is equipped with internal current-limiting circuitry and can endure current limiting for an unlim- ited duration. at the point of current-limit in ception, the unit shifts from voltage contro l to current control. if the output voltage is pulled very low during a severe fault, the current-limit circuit can exhibit either foldback or tailout characteristics (output-current decrease or increase). the unit operates normally once the output current is brought back into its specified range. remote on/off (optional) two remote on/off options are available. positive logic, device code suffix ?4?, remote on/off turns the module on during a logic-high voltage on the remote on/off pin, and off during a logic low. negative logic, device code suffix ?1?, remote on/off turns the module off dur- ing a logic high and on during a logic low. to turn the power module on and off, the user must supply a switch to contro l the voltage between the on/off terminal and the v i (?) terminal (v on/off ). the switch may be an open collector or equivalent (see figure 38). a logic low is v on/off = ?0.7 v to +1.2 v. the maximum i on/off during a logic low is 1 ma. the switch should maintain a logic-low voltage while sinking 1 ma. during a logic high, the maximum v on/off generated by the power module is 10 v. the maximum allowable leakage current of the switch at v on/off = 10 v is 50 a. the module has internal capacitance to reduce noise at the on/off pin. addition al capacitance is not gen- erally needed and may degrade the start-up character- istics of the module. 8-758(c).a figure 38. remote on/off implementation + i on/off - v on/off remote on/off v i (+) v i (-)
16 16 lineage power data sheet march 27, 2008 18 vdc to 36 vdc or 36 vdc to 75 vdc inputs, 10 w and 15 w lc/lw010- and lc/lw015-series power modules: feature descriptions (continued) output voltage adjustment (optional on single-output units) output voltage set-point adjustment allows the user to increase or decrease the output voltage set point of a module. this is accomplished by connecting an exter- nal resistor between the trim pin and either the v o (+) or v o (?) pins. with an external resistor between the trim and v o (+) pins (r adj-down ), the output voltage set point (v o, adj ) decreases (see figure 39). the following equation determines the required external resistor value to obtain an output voltage change from v o, nom to v o, adj : where r adj-down is the resistance value connected between trim and v o (+), and g, h, and l are defined in the following table. 8-715(c).e figure 39. circuit configuration to decrease output voltage with an external resistor connected between the trim and v o (?) pins (r adj-up ), the output voltage set point (v o, adj ) increases (see figure 40). the following equa- tion determines the required external resistor value to obtain an output voltage from v o, nom to v o, adj : where r adj-up is the resistance value connected between trim and v o (?), and the values of g, h, k, and l are shown in the following table: the combination of the output voltage adjustment and the output voltage tolerance cannot exceed 110% (125% for the d) of the nominal output voltage between the v o (+) and v o (?) terminals. 8-715(c).d figure 40. circuit configurat ion to increase output voltage the l-series power modules have a fixed current-limit set point. therefore, as the output voltage is adjusted down, the available output power is reduced. in addi- tion, the minimum output curr ent is a function of the output voltage. as the output voltage is adjusted down, the minimum required output current can increase (i.e., minimum power is constant). synchronization (optional) with external circuitry, the unit is capable of synchroni- zation from an independent time base with a switching rate of 256 khz. other frequencies may be available; please consult the factory for application guidelines and/or a description of the external circuit needed to use this feature. r adj-down v o adj , l ? () g v onom , v o adj , ? () --------------------------------------- h ? = v i (+) v i (? v o (+) v o (-) trim r adj-down r load r adj-up gl v oadj , l ? () k ? [] ---------------------------------------- - h ? ?? ?? = ghkl lx010, 5a 5110 2050 2.5 2.5 lx010, 5b 10,000 5110 9.5 2.5 lx010, 5c 10,000 5110 na 2.5 lx010, 5d 5110 2050 0.76 1.23 lx010, 5f 5110 2050 0.75 2.5 v i (+) v i (-) v o (+) v o (-) trim r adj-up r load
lineage power 17 data sheet march 27, 2008 18 vdc to 36 vdc or 36 vdc to 75 vdc inputs, 10 w and 15 w lc/lw010- and lc/lw015-series power modules: thermal considerations the power module operates in a variety of thermal environments; however, suff icient cooling should be provided to help ensure reliable operation of the unit. heat-dissipating components inside the unit are ther- mally coupled to the case. heat is removed by conduc- tion, convection, and radiation to the surrounding environment. proper cooling can be verified by mea- suring the case temperature. the case temperature (t c ) should be measured at the position indicated in figures 41 and 42. 8-1363(c).b note: dimensions are in millimete rs and (inches). pin locations are for reference only. figure 41. lw010 and lc010 case temperature measurement location 8-1363(c).c note: dimensions are in millimete rs and (inches). pin locations are for reference only. figure 42. lw015 and lc015 case temperature measurement location note that the views in figures 41 and 42 are of the sur- face of the modules. the temperatures at these loca- tions should not exce ed the maximum case temperature indicated on the derating curve. the out- put power of the module should not exceed the rated power for the module as listed in the ordering informa- tion table. heat transfer characteristics increasing airflow over the module enhances the heat transfer via convection. figures 43 through 45 show the maximum power that can be dissipated by the mod- ule without exceeding the maximum case temperature versus local ambient temperature (t a ) for natural con- vection through 3.0 ms ?1 (600 ft./min.). systems in which these power modules are used typi- cally generate natural convection airflow rates of 0.25 ms ?1 (50 ft./min.) due to other heat dissipating components in the system. therefore, the natural con- vection condition represents airflow rates of approxi- mately 0.25 ms ?1 (50 ft./min.). use of figure 43 is shown in the following example. example what is the minimum airflow necessary for an lw010a operating at 48 v, an output current of 2.0 a, and a maximum ambient temperature of 91 c? solution: given: v i = 48 v, i o = 2.0 a (i o , max ), t a = 91 c determine p d (figure 58): p d = 2.5 w determine airflow (figure 43): v = 2.0 ms ?1 (400 ft./min.) 8-1375(c).a figure 43. lw010/lc010 forced convection power derating; either orientation dc-dc power module 15.2 (0.6) + - + - out in lw010/lc010 10.2 (0.4) dc-dc power module 5.1 (0.2) + - + - out in lw015/lc015 5.1 (0.2) units power dissipation, p d (w) 50 60 70 80 90 100 110 40 45 55 65 75 85 95 105 0 3.5 1.5 1 0.5 2 2.5 3 max ambient temperature, t a (?c) maximum case temperature 2.0 ms -1 (400 ft./min.) 3.0 ms -1 (600 ft./min.) 1.0 ms -1 (200 ft./min.) natural convection
18 18 lineage power data sheet march 27, 2008 18 vdc to 36 vdc or 36 vdc to 75 vdc inputs, 10 w and 15 w lc/lw010- and lc/lw015-series power modules: thermal considerations (continued) 8-1377(c).a figure 44. lc015 forced convection power derating; either orientation 8-1376(c).a figure 45. lw015 forced convection power derating; either orientation 8-1382(c) note: the power dissipation of this unit is shown at t c = t c , max because the efficiency of this power module drops at high temperatures. figure 46. lc015a power dissipation at maximum case temperature 8-1808(c) figure 47. lc015b, c typical power dissipation vs. normalized output current at t c = 25 c units power dissipation, p d (w) 10 20 30 40 50 60 70 0 80 90 100 110 120 0 3.5 1.5 1 0.5 2 4.5 4 2.5 3 5 max ambient temperature, t a (?c) natural convection 3.0 ms -1 (600 ft./min.) 1.0 ms -1 (200 ft./min.) 2.0 ms -1 (400 ft./min.) maximum case temperature units power dissipation, p d (w) 50 60 70 80 90 100 0 3.5 1.5 1 0.5 2 4.5 4 2.5 3 5 max ambient temperature, t a (?c) 110 40 maximum case temperature 2.0 ms -1 (400 ft./min.) 3.0 ms -1 (600 ft./min.) 1.0 ms -1 (200 ft./min.) natural convection 3.5 2.5 2.0 1.5 0.0 0.5 1.0 1.5 2.0 2.5 0.0 4.0 output current, i o (a) 0.5 3.0 3.0 1.0 power dissipation, p d (w) v i = 20 v v i = 27 v v i = 36 v v i = 18 v 4.5 0.16 0.32 0.48 0.64 0.80 0 3 normalized output current (i o /i o , max ) 2 4 0.00 1 0.96 5 6 v i = 36 v v i = 27 v v i = 18 v power dissipation, p d (w)
lineage power 19 data sheet march 27, 2008 18 vdc to 36 vdc or 36 vdc to 75 vdc inputs, 10 w and 15 w lc/lw010- and lc/lw015-series power modules: thermal considerations (continued) 8-1809(c) figure 48. lc010d, 015d typical power dissipation vs. output current at t c = 25 c 8-1810(c) note: the power dissipation of this unit is shown at t c = t c , max because the efficiency of this power module drops at high temperatures. figure 49. lc015f typical power dissipation vs. output current at maximum case temperature 8-1811(c) figure 50. lc010a, b, c ty pical power dissipation vs. normalized output current at t c = 25 c 8-1812(c) figure 51. lc010f typical power dissipation vs. output current at t c = 25 c 8-1813(c) figure 52. LC010AJ, bk, cl typical power dissipation vs. normalized output current at t c = 25 c 3.5 1.0 0.0 2.0 3.0 4.0 0.5 1.5 2.5 0.5 1.0 1.5 2.0 2.5 3.0 0.0 output current, i o (a) power dissipation, p d (w) v i = 18 v v i = 36 v v i = 27 v 1.0 0.0 2.0 3.0 3.5 0.5 1.5 2.5 0.5 1.0 1.5 2.0 2.5 3.0 0.0 power dissipation, p d (w) v i = 36 v v i = 27 v v i = 18 v output current, i o (a) 3.5 2.5 1.0 0.1 0.2 0.6 0.7 0.8 0.9 0.0 normalized output current (i o /i o , max ) 1.5 2.0 0.5 4.0 1.0 0.0 0.4 0.5 0.3 3.0 v i = 36 v v i = 27 v power dissipation, p d (w) v i = 18 v 0.5 1.0 1.5 2.0 2.5 0.0 2.5 1.5 1.0 2.0 0.0 3.0 0.5 output current, i o (a) v i = 36 v power dissipation, p d (w) v i = 27 v v i = 18 v 0.2 0.6 0.7 0.8 0.9 0.0 2.5 normalized output current, i o1 = i o2 [(i o1 + i o2 )/(i o1 , max + i o2 , max )] 1.5 1.0 2.0 3.5 1.0 0.1 3.0 0.5 0.4 0.5 0.3 v i = 36 v v i = 24 v v i = 18 v power dissipation, p d (w)
20 20 lineage power data sheet march 27, 2008 18 vdc to 36 vdc or 36 vdc to 75 vdc inputs, 10 w and 15 w lc/lw010- and lc/lw015-series power modules: thermal considerations (continued) 8-1383(c) note: the power dissipation of this unit is shown at t c = t c , max because the efficiency of this power module drops at high temperatures. figure 53. lw015a power dissipation at maximum case temperature 8-1814(c) figure 54. lw015b, c typical power dissipation vs. normalized output current at t c = 25 c 8-1815(c) figure 55. lw010d, lw015d typical power dissipation vs. output current at t c = 25 c 8-2109(c) figure 56. lw010d9 typical power dissipation vs. output current at t c = 25 c with output voltage trimmed up to 2.5 v 8-1385(c) note: the power dissipation of this unit is shown at t c = t c , max because the efficiency of this power module drops at high temperatures. figure 57. lw015f power dissipation at maximum case temperature 0.0 0.5 1.0 1.5 2.0 3.0 0.0 3.0 3.5 4.0 4.5 output current, i o (a) power dissipation, p d (w) 2.5 2.0 0.5 2.5 v i = 48 v v i = 60 v v i = 75 v 1.0 1.5 v i = 36 v 0.19 0.33 0.50 0.83 0.66 1.00 0.0 3.0 normalized output current (i o /i o , max ) 2.0 1.5 2.5 4.0 0.05 3.5 1.0 0.5 4.5 5.0 power dissipation, p d (w) v i = 36 v v i = 48 v v i = 60 v v i = 75 v 1.0 0.0 2.0 3.0 3.5 0.5 1.5 2.5 0.5 1.0 1.5 2.0 2.5 3.0 0.0 output current, i o (a) v i = 36 v power dissipation, p d (w) v i = 48 v v i = 60 v v i = 75 v 0.4 0.6 0.8 1.0 1.2 1.4 2.0 0.2 1.6 1.8 0.0 0.5 2.1 1.7 1.5 1.9 2.5 2.3 1.3 1.1 0.9 0.7 output current, i o (a) power dissipation, p d (w) v i = 36 v v i = 75 v v i = 48 v 0.0 0.5 1.0 1.5 2.0 3.0 0.0 3.0 3.5 output current, i o (a) power dissipation, p d (w) 2.5 2.0 0.5 2.5 v i = 75 v v i = 48 v v i = 60 v 1.0 1.5 v i = 36 v 4.0
lineage power 21 data sheet march 27, 2008 18 vdc to 36 vdc or 36 vdc to 75 vdc inputs, 10 w and 15 w lc/lw010- and lc/lw015-series power modules: thermal considerations (continued) 8-1380(c) figure 58. lw010a, b, c typical power dissipation vs. normalized output current at t c = 25 c 8-1816(c) figure 59. lw010f typical power dissipation vs. output current at t c = 25 c 8-1817(c) figure 60. lw010aj, bk, cl typical power dissipation vs. normalized output current at t c = 25 c module derating the derating curves in figures 43 through 45 were determined by measurements obtained in an experi- mental apparatus shown in figure 61. note that the module and the printed-wiring board (pwb) that it is mounted on are both vertica lly oriented. the passage has a rectangular cross section. 8-1126(c).d note: dimensions are in millimeters and (inches). figure 61. experimental test setup layout considerations copper paths must not be routed beneath the power module standoffs. 0.1 0.2 0.3 0.4 0.5 0.6 0.0 2.5 normalized output current (i o /i o , max) 1.5 1.0 0.5 2.0 power dissipation, p d (w) v i = 75 v 3.5 0.7 0.8 0.9 1.0 0.0 v i = 48 v v i = 36 v 3.0 v i = 60 v 1.0 0.0 2.0 3.0 3.5 0.5 1.5 2.5 0.5 1.0 1.5 2.0 2.5 0.0 output current, i o (a) v i = 36 v v i = 48 v power dissipation, p d (w) v i = 60 v v i = 75 v 0.2 0.4 0.6 0.8 1.0 0.0 2.5 1.5 1.0 2.0 0.0 3.0 0.5 normalized output current, i o1 = i o2 [(i o1 + i o2 )/(i o1 , max + i o2 , max )] v i = 36 v v i = 48 v v i = 60 v power dissipation, p d (w) v i = 75 v air velocity and ambient temperature measured below the module airflow 13 (0.5) facing pwb module 76 (3.0) pwb
22 lineage power data sheet march 27, 2008 18 vdc to 36 vdc or 36 vdc to 75 vdc inputs, 10 w and 15 w lc/lw010- and lc/lw015-series power modules: outline diagram dimensions are in millim eters and (inches). tolerance: x.x 0.5 mm (0.020 in .); x.xx 0.38 mm (0.015 in.). if slightly lower height is needed, the four standoffs can be dropped through holes on the user?s pwb. by dropping the standoffs through the pw b, the module height will be decreased to 9.5 mm (0.375 in.) typical height. 8-1329(c).b * an optional short pin dimension is 2.8 mm 0.25 mm (0.110 in. 0.010 in.). top view side view bottom view pinfunctionpinfunction 1v i (?) 4 v o (+) or v o1 (+) 2v i (+) 5 common (dual outputs) or trim (optional on single outputs) pin is not present on single outputs unless option is specified. pin is always present on dual outputs. 3 on/off or sync (optional) pin is not present unless one of these options is specified. 6v o (?) or v o2 (?) 0.51 (0.020) 10.16 (0.400) max 5.84 (0.230)* min 0.63 (0.025) x 0.63 (0.025) square pin, all places standoff diameter 0.63 (0.025) typ, 4 places 6 4 3 2 1 15.2 (0.60) 20.32 (0.800) 2.54 (0.100) 5.08 (0.200) 12.7 (0.500) 0.32 (0.0125) typ 7.62 (0.300) 24.77 (0.975) 5 10.16 (0.400) 27.9 (1.10) 9.91 (0.39) 7.62 (0.300) 25.4 (1.00) 50.8 (2.00) + - + - out in lc015a dc-dc power module in:dc 18-36v, 1.1a out:dc 5v, 3a made in usa
lineage power 23 data sheet march 27, 2008 18 vdc to 36 vdc or 36 vdc to 75 vdc inputs, 10 w and 15 w lc/lw010- and lc/lw015-series power modules: recommended hole pattern component-side footprint. dimensions are in millimeters and (inches). 8-1329(c).b ordering information table 6. device codes input voltage output voltage output power device code comcode 18 v?36 v 5 v 15 w lc015a 107809550 18 v?36 v 12 v 15 w lc015b 107983140 18 v?36 v 15 v 15 w lc015c tbd 36 v?75 v 2 v 6 w lc015d tbd 18 v?36 v 3.3 v 10 w lc015f 107809543 18 v?36 v 5 v 10 w lc010a 107747925 18 v?36 v 12 v 10 w lc010b 107747933 18 v?36 v 15 v 10 w lc010c 107747941 18 v?36 v 2 v 4 w lc010d 107747958 18 v?36 v 3.3 v 8 w lc010f 107747966 18 v?36 v 5 v 15 w LC010AJ 107987083 18 v?36 v 12 v 15 w lc010bk 107809592 18 v?36 v 15 v 15 w lc010cl tbd 36 v?75 v 5 v 15 w lw015a 107809527 36 v?75 v 12 v 15 w lw015b 107935413 36 v?75 v 15 v 15 w lw015c 107935421 36 v?75 v 2 v 6 w lw015d 107809501 36 v? 75 v 3.3 v 10 w lw015f 107809535 36 v?75 v 5 v 10 w lw010a 107747974 36 v?75 v 12 v 10 w lw010b 107747982 36 v?75 v 15 v 10 w lw010c 107747990 36 v?75 v 2 v 4 w lw010d 107748006 36 v?75 v 3.3 v 8 w lw010f 107748014 36 v?75 v 5 v 10 w lw010aj 107935405 36 v?75 v 12 v 10 w lw010bk 107809568 36 v?75 v 15 v 10 w lw010cl tbd 15.2 (0.60) 20.32 (0.800) 2.54 (0.100) 5.08 (0.200) 20.32 (0.800) 27.94 (1.10) 24.77 (0.975) 7.62 (0.300) 50.8 (2.00) case outline standoff 25.4 (1.00) 9.91 (0.39) 7.62 (0.300) 10.16 (0.400)
data sheet march 27, 2008 18 vdc to 36 vdc or 36 vdc to 75 vdc inputs, 10 w and 15 w lc/lw010- and lc/lw015-series power modules: march 2008 ds98-04 1 eps (replaces ds98-040eps) world wide headquarters lineage power corporation 30 00 skyline drive, mesquite, tx 75149, usa +1-800-526-7819 (outside u.s.a.: +1-97 2-2 84 -2626 ) www.line ag ep ower.co m e-m ail: tech sup port1@ lin ea gep ower .co m asia-pacific headquart ers tel: +65 6 41 6 4283 eu ro pe, m id dle-east an d afr ic a he ad qu ar ter s tel: +49 8 9 6089 286 india headquarters tel: +91 8 0 28411633 lineage power reserves the right to make changes to the product(s) or information contained herein without notice. no liability is assumed as a result of their use or application. no rights under any patent accompany the sale of any such product(s) or information. ? 2008 lineage power corporation, (mesquite, texas) all international rights reserved. ordering information (continued) optional features may be ordered using the device code suffixes shown below. the feature suffixes are listed numerically in descending order. please contact your lineage power account manager or application engineer for pricing and availability of options. t able 7. option codes option device code suffix output voltage adjustment 9 short pin: 2.8 mm 0.25 mm (0.110 in. 0.010 in.) 8 short pin: 3.7 mm 0.25 mm (0.145 in. 0.010 in.) 6 positive logic remote on/off 4 synchronization (cannot be ordered on units with remote on/off) 3 negative logic remote on/off 1

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