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data sheet october 1, 2009 austin lite non-isolated smt dc - dc power modules: 3.3 vdc and 5.0 vdc input, 1.5 vdc - 3.3 vdc output, 5a titania tm power modules applications n workstations,servers and desktop computers n distributed power architectures n telecommunications equipment n dsp applications n lans/wans n adapter cards n data processing equipment features n compatible with rohs eu directive 2002/95/ec (-z ver- sions) n compatible in rohs eu directive 2002/95/ec with lead solder exemption (non -z versions) n small size and very low profile n minimal space on printed circuit board n high efficiency: 5.0 vin 87% typical @ 3.3v,5a 3.3 vin 86% typical @ 2.5v,5a n high reliability: 200 fits/5 million hour mtbf n surface mountable n single output maximum dimensions: 33 mm x 12.95 mm x 5.46 mm (1.3 in x 0.530 in x 0.215 in.), tolerance of +/- 0.01 n single control pin for margining and on/off control n instantaneous auto-reset overcurrent protection(non- latching) n overtemperature protection n no external bias required n low inductance surface mount connections n ul * 60950 recognized, csa ? c22.2 no. 60950-00 certi- fied, and vde ? 0805 (iec60950, 3rd edition) licensed rohs compliant description the austin lite power module is designed to meet the prec ise voltage requirements of today?s high performance dsp and microprocessor circuits and system board level applications. ad vanced circuit techniques, high frequency switching, custom components, and very high density, surface mountable packa ging technology deliver high quality, ultra compact, dc-dc conversion. * ul is a registered trademark of underwriters laboratories, inc. ? csa is a registered trademark of canadian standards association. ? vde is a trademark of verband deutscher elektrotechniker e.v. this product is intended for integration into end-use equipment. all the required procedures for ce marking of end-use equipm ent should be followed. (the ce mark is placed on selected products.) ** iso is a registered trademark of the internation organization of standards
lineage power 2 data sheet october 1, 2009 3.3 vdc and 5.0 vdc input, 1. 5 vdc - 3.3 vdc output, 5a austin lite non-isolated smt dc - dc power modules: absolute maximum ratings stresses in excess of the absolute maximum ratings can ca use permanent damage to the dev ice. these are absolute maxi- mum stress ratings only. functional operation of the device is no t 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 affect device reliability. input voltage range of vin = 3.0v is listed as 3.3 vin and input volt age range of vin = 4.5v - 5.5v is listed as 5.0 vin. electrical specifications unless otherwise indicated, specif ications apply over all operating input voltag e, resistive load, and temperature conditions. caution: this power module is not inte rnally fused. an input line fuse must always be used. this power module can be used in a wide variety of applications, ranging from simp le stand-alone operation to an integrated part of a sophisticated power architecture. to preserve maximum flexibility, internal fusing is not included; however, to achie ve maximum safety and system protection, always use an input line fuse. the safety agencies require a normal blow fuse with a maximum rating of 10a (see safety and reliability specifications). parameter device symbol min max unit input voltage:continuous 3.3 vin 5.0 vin vin vin -0.3 -0.3 3.6 5.5 vdc vdc forced output voltage all voif -0.3 5.5 vdc ctrl terminal voltage all ctrl ? 0.3 2.0 vdc storage temperature all ta/tstg ?40 125 c parameter device symbol min typ max unit operating input voltage 3.3 vin 5.0 vin v in v in 3.0 4.5 3.3 5.0 3.6 5.5 vdc vdc input ripple rejection (120 hz) 50 db operating input current (0a iout < 5a) (3.0 v < vin < 3.6v) (4.5v < vin < 5.5v) 3.3 vin 5.0 vin i in i in ? ? ? ? 6 5.5 a a quiescent input current (iout = 0) (3.0v < vin < 5.5v) all i q ?? m a input ripple current: 20 mhz bw, 250 nh input inductance (see figure) 3.3 vin 5.0 vin i inripple i inripple 35 map-p map-p
lineage power 3 data sheet october 1, 2009 3.3 vdc and 5.0 vdc input, 1. 5 vdc - 3.3 vdc output, 5a austin lite non-isolated smt dc - dc power modules: electrical specifications (continued) * units will start into 5000 f, 5a load at nominal line; units will start into 10,000 mf with no load parameter device symbol min typ max unit output voltage these specifications are under all specified input voltage, load current, and temperature conditions. they do not include ripple or transient. 3.3v 2.5v 2.0v 1.8v 1.5v v out v out v out v out v out 3.20 2.42 1.94 1.74 1.45 3.3 2.5 2.0 1.8 1.5 3.400 2.58 2.06 1.86 1.55 v v v v v output current ? iout 0 ? 5 a output ripple 3.3 vin 5.0 vin v ripple v ripple ? ? ? ? 80 100 mvpp mvpp external load capacitance* all ? ? 5000* ? f output current limit inception all i out 7a efficiency vin = nominal, iout = maximum 5.0 ? 3.3 5.0 ? 2.5 3.3 ? 2.5 3.3 ? 2.0 3.3 ? 1.8 3.3 ? 1.5 ? ? ? ? ? ? 87 82 86 82 80 75 ? ? ? ? ? ? % % % % % % switching frequency all fop ? 900 ? khz vout dynamic response to transient load (t transition = 50 ms) nominal load 50% to 100% peak deviation measured as a maximum percentage deviation from nominal vo at full load nominal load 50% to 100% settling time to vout < 10% of vout steady state all ? ? ? ? < 10 < 25 ? ? % s
lineage power 4 data sheet october 1, 2009 3.3 vdc and 5.0 vdc input, 1. 5 vdc - 3.3 vdc output, 5a austin lite non-isolated smt dc - dc power modules: characteristic curves the following figures provide typical characteristics curves at room temperature (ta = 25 c). figure 1. converter efficiency vs output current at 3.3vin ,1.5vout. figure 2. converter efficiency vs output current at 3.3vin ,1.8vout. figure 3. converter efficiency vs output current at 3.3vin ,2.0vout. figure 4. converter efficiency vs output current at 3.3vin ,2.5vout. figure 5. converter efficiency vs output current at 5.0vin ,1.8vout. figure 6. converter efficiency vs output current at 5.0vin ,2.5vout. 80 78 76 74 72 70 68 66 64 62 60 3 012 456 efficiency, (%) output current, i o (a) v i = 3.0 v v i = 3.3 v v i = 3.6 v 88 84 80 76 72 68 64 60 3 012 456 efficiency, (%) output current, i o (a) v i = 3.0 v v i = 3.3 v v i = 3.6 v 88 84 80 76 72 68 64 60 3 012 456 efficiency, (%) output current, i o (a) v i = 3.0 v v i = 3.3 v v i = 3.6 v 92 88 84 80 76 72 68 64 60 3 012 456 efficiency, (%) output current, i o (a) v i = 3.0 v v i = 3.3 v v i = 3.6 v 80 78 76 74 72 70 68 66 64 62 60 3 012 456 efficiency, (%) output current, i o (a) v i = 4.5 v v i = 5.0 v v i = 5.5 v 88 84 80 76 72 68 64 60 3 012 456 efficiency, (%) output current, i o (a) v i = 4.5 v v i = 5.0 v v i = 5.5 v
lineage power 5 data sheet october 1, 2009 3.3 vdc and 5.0 vdc input, 1. 5 vdc - 3.3 vdc output, 5a austin lite non-isolated smt dc - dc power modules: characteristic curves the following figures provide typical characteristics curves at room temperature (ta = 25 c) figure 7. converter efficiency vs output current at 5.0vin ,3.3vout. 92 88 84 80 76 72 68 64 60 3 012 456 efficiency, (%) output current, i o (a) v i = 4.5 v v i = 5.0 v v i = 5.5 v
lineage power 6 data sheet october 1, 2009 3.3 vdc and 5.0 vdc input, 1. 5 vdc - 3.3 vdc output, 5a austin lite non-isolated smt dc - dc power modules: characteristic curves the following figures provide typical input/output ripple characteristics curves at room temperature (ta = 25 c) figure 8. typical ripple performance with 6.2a resistive load at 3.3vin,1.5vout. figure 9. typical ripple performance with 6.2a resistive load 3.3vin,1.8vout. figure 10. typical ripple performance with 6.2 a resistive load 3.3vin,2.0vout. figure 11. typical ripple performance with 6.2a resistive load 3.3vin,2.5vout. figure 12. typical ripple performance with 5.8a resistive load 5.0vin,1.8vout. figure 13. typical ripple performance with 6.3a resistive load 5.0vin,2.5vout. time, t (1 ?/div) output voltage, v o (v) (20 mv/di input current, i i (a) (100 ma/div) time, t (1 ?/div) output voltage, v o (v) (20 mv/ d input current, i i (a) (100 ma/div) time, t (1 ?/div) output voltage, v o (v) (20 mv/di input current, i i (a) (100 ma/div) time, t (2 ?/div) output voltage, v o (v) (20 mv/d i input current, i i (a) (100 ma/div) time, t (1 ?/div) output voltage, v o (v) (20 mv/di input current, i i (a) (100 ma/div) time, t (1 ?/div) output voltage, v o (v) (20 mv/d i input current, i i (a) (100 ma/div)
lineage power 7 data sheet october 1, 2009 3.3 vdc and 5.0 vdc input, 1. 5 vdc - 3.3 vdc output, 5a austin lite non-isolated smt dc - dc power modules: characteristic curves the following figures provide typical input/output ripple characteristics curves at room temperature (ta = 25 c) figure 14. typical ripple performance with 6.3a resistive load 5.0vin,3.3vout. time, t (1 ?/div) output voltage, v o (v) (20 mv/di input current, v i (a) (100 ma/div)
lineage power 8 data sheet october 1, 2009 3.3 vdc and 5.0 vdc input, 1. 5 vdc - 3.3 vdc output, 5a austin lite non-isolated smt dc - dc power modules: characteristic curves the following figures provide typical static regulation curves at room temperature (ta = 25 c) figure 15. static regulation: 3.3vin,1.5vout. figure 16. static regulation 3.3vin.1.8vout. figure 17. static regulation: 3.3vin,2.0vout. figure 18. stactic regu lation: 3.3vin,2.5vout. figure 19. stactic regulation: 5.0vin,1.8vout. figure 20. stactic regulation: 5.0vin,2.5vout. v i = 3.6 v v i = 3.3 v v i = 3.0 v output current, i o (a) output voltage, v o (v) 01234 6 5 1.55 1.54 1.53 1.52 1.51 1.50 1.49 1.48 v i = 3.6 v v i = 3.3 v v i = 3.0 v output current, i o (a) output voltage, v o (v) 01234 6 5 1.84 1.83 1.82 1.81 1.80 1.79 1.78 1.77 v i = 3.6 v v i = 3.3 v v i = 3.0 v output current, i o (a) output voltage, v o (v) 01234 6 5 2.04 2.03 2.02 2.01 2.00 1.99 1.98 1.97 1.96 v i = 3.6 v v i = 3.3 v v i = 3.0 v output current, i o (a) output voltage, v o (v) 01234 6 5 2.550 2.545 2.540 2.535 2.530 2.525 2.520 2.515 2.510 2.505 v i = 5.5 v v i = 5.0 v v i = 4.5 v output current, i o (a) output voltage, v o (v) 01234 6 5 1.84 1.83 1.82 1.81 1.80 1.79 1.78 1.77 1.76 v i = 5.5 v v i = 5.0 v v i = 4.5 v output current, i o (a) output voltage, v o (v) 01234 6 5 2.56 2.55 2.54 2.53 2.52 2.51
lineage power 9 data sheet october 1, 2009 3.3 vdc and 5.0 vdc input, 1. 5 vdc - 3.3 vdc output, 5a austin lite non-isolated smt dc - dc power modules: characteristic curves the following figures provide typical static regulation characteristics curves at room temperature (ta = 25 c) figure 21. stactic regulation: 5.0vin,3.3vout. v i = 5.5 v v i = 5.0 v v i = 4.5 v output current, i o (a) output voltage, v o (v) 01234 6 5 3.35 3.34 3.33 3.32 3.31 3.30 3.29 3.28
lineage power 10 data sheet october 1, 2009 3.3 vdc and 5.0 vdc input, 1. 5 vdc - 3.3 vdc output, 5a austin lite non-isolated smt dc - dc power modules: characteristic curves the following figures provide typical transient response characteristics curves with t=50 s, vout=20mv/divat room tem- perature (ta = 25 c) figure 22. transient response characteristic of 3.3v in /1.5v out with i out step up 1a-6a static load. figure 23. transient response characteristic of 3.3v in /1.5v out with i out step up 6a-1a static load. figure 24. transient response characteristic of 3.3v in /1.8v out with i out step up 1a-6a static load. figure 25. transient response characteristic of 3.3v in /1.8v out with i out step up 6a-1a static load. figure 26. transient response characteristic of 3.3v in /2.0v out with i out step up 1a-6a static load . figure 27. transient response characteristic of 3.3v in /2.0v out with i out step up 6a-1a static load. time, t (0.2 ms/div) output voltage, v o (v) (20 mv/d output current, i o (a) (2 a/div) i o = 1a - 6a v o = 1.5v time, t (0.2 ms/div) output voltage, v o (v) (20 mv/d output current, i o (a) (2 a/div) i o = 1a - 6 a v o = 1.5v time, t (0.2 ms/div) output voltage, v o (v) (20 mv/d output current, i o (a) (2 a/div) i o = 1a - 6a v o = 1.8v time, t (0.2 ms/div) output voltage, v o (v) (20 mv/d output current, i o (a) (2 a/div) i o = 1a - 6 a v o = 1.8v time, t (0.2 ms/div) output voltage, v o (v) (20 mv/ d output current, i o (a) (2 a/div) i o = 1a - 6a v o = 2.0v time, t (0.2 ms/div) output voltage, v o (v) (20 mv/d output current, i o (a) (2 a/div) i o = 1a - 6a v o = 2.0v
lineage power 11 data sheet october 1, 2009 3.3 vdc and 5.0 vdc input, 1. 5 vdc - 3.3 vdc output, 5a austin lite non-isolated smt dc - dc power modules: characteristic curves the following figures provide typical transient response characteristics curves with t=50 s, vout=20mv/divat room temper- ature (ta = 25 c) figure 28. transient response characteristic of 3.3v in / 2.5v out with i out step up 1a-6a static load. figure 29. transient response characteristic of 3.3v in / 2.5v out with i out step up 6a-1a static load. figure 30. transient response characteristic of 5.0v in / 1.8v out with i out step up 1a-6a static load. figure 31. transient response characteristic of 5.0v in / 1.8v out with i out step up 6a-1a static load. figure 32. transient response characteristic of 5.0v in / 2.5v out with i out step up 1a-6a static load . figure 33. transient response characteristic of 5.0v in / 2.5v out with i out step up 6a-1a static load. time, t (0.2 ms/div) output voltage, v o (v) (20 mv/ d output current, i o (a) (2 a/div) i o = 1a - 6a v o = 2.5v time, t (0.2 ms/div) output voltage, v o (v) (20 mv/d i output current, i o (a) (2 a/div) i o = 1a - 6a v o = 2.5v time, t (0.2 ms/div) output voltage, v o (v) (20 mv/d i output current, i o (a) (2 a/div) i o = 1a - 6a v o = 1.8v time, t (0.2 ms/div) output voltage, v o (v) (20 mv/d i output current, i o (a) (2 a/div) i o = 1a - 6a v o = 1.8v time, t (0.2 ms/div) output voltage, v o (v) (20 mv/d i output current, i o (a) (2 a/div) i o = 1a - 6a v o = 2.5v time, t (0.2 ms/div) output voltage, v o (v) (20 mv/d i output current, i o (a) (2 a/div) i o = 1a - 6a v o = 2.5v
lineage power 12 data sheet october 1, 2009 3.3 vdc and 5.0 vdc input, 1. 5 vdc - 3.3 vdc output, 5a austin lite non-isolated smt dc - dc power modules: characteristic curves the following figures provide typical transient response characteristics curves with t=50 s, vout=20mv/divat room temper- ature (ta = 25 c) figure 34. transient response characteristic of 5.0v in / 3.3v out with i out step up 1a-6a static load. figure 35. transient response characteristic of 5.0v in / 3.3v out with i out step up 6a-1a static load. time, t (0.2 ms/div) output voltage, v o (v) (20 mv/d i output current, i o (a) (2 a/div) i o = 1a - 6a v o = 3.3v time, t (0.2 ms/div) output voltage, v o (v) (20 mv/d output current, i o (a) (2 a/div) i o = 1a - 6a v o = 3.3v
lineage power 13 data sheet october 1, 2009 3.3 vdc and 5.0 vdc input, 1. 5 vdc - 3.3 vdc output, 5a austin lite non-isolated smt dc - dc power modules: characteristic curves the following figures provide typical derating characteristics curves . figure 36. thermal derating for 3.3vin ,1.5vout. figure 37. thermal derating for 3.3vin ,1.8vout. figure 38. thermal derati ng for 3.3vin ,2.0vout. figure 39. thermal derating for 3.3vin ,2.5vout. figure 40. thermal derating for 5.0vin ,1.8vout. figure 41. thermal derating for 5.0vin ,2.0vout. 7 6 5 4 3 2 1 0 30 40 50 60 70 80 temperature (?c) 2.5 m/s (500 ft./min.) 2.0 m/s (400 ft./min.) 1.0 m/s (200 ft./min.) 0.5 m/s (100 ft./min.) 1.5 m/s (300 ft./min.) output current, i o (a) 7 6 5 4 3 2 1 0 30 40 50 60 70 80 temperature (?c) 2.5 m/s (500 ft./min.) 2.0 m/s (400 ft./min.) 1.0 m/s (200 ft./min.) 0.5 m/s (100 ft./min.) 1.5 m/s (300 ft./min.) output current, i o (a) 7 6 5 4 3 2 1 0 30 40 50 60 70 80 temperature (?c) 2.5 m/s (500 ft./min.) 2.0 m/s (400 ft./min.) 1.0 m/s (200 ft./min.) 0.5 m/s (100 ft./min.) 1.5 m/s (300 ft./min.) output current, i o (a) 7 6 5 4 3 2 1 0 30 40 50 60 70 80 temperature (?c) 2.5 m/s (500 ft./min.) 2.0 m/s (400 ft./min.) 1.0 m/s (200 ft./min.) 0.5 m/s (100 ft./min.) 1.5 m/s (300 ft./min.) output current, i o (a) 6 5 4 3 2 1 0 30 40 50 60 70 80 temperature (?c) 2.5 m/s (500 ft./min.) 2.0 m/s (400 ft./min.) 1.0 m/s (200 ft./min.) 0.5 m/s (100 ft./min.) 1.5 m/s (300 ft./min.) output current, i o (a) 7 6 5 4 3 2 1 0 30 40 50 60 70 80 temperature (?c) 2.5 m/s (500 ft./min.) 2.0 m/s (400 ft./min.) 1.0 m/s (200 ft./min.) 0.5 m/s (100 ft./min.) 1.5 m/s (300 ft./min.) output current, i o (a)
lineage power 14 data sheet october 1, 2009 3.3 vdc and 5.0 vdc input, 1. 5 vdc - 3.3 vdc output, 5a austin lite non-isolated smt dc - dc power modules: characteristic curves the following figures provide typical thermal derating curves at room temperature (ta = 25 c) figure 42. thermal derating for 5.0vin ,3.3vout. 7 6 5 4 3 2 1 0 output current, i o (a) 30 40 50 60 70 80 temperature (?c) 2.5 m/s (500 ft./min.) 2.0 m/s (400 ft./min.) 1.0 m/s (200 ft./min.) 0.5 m/s (100 ft./min.) 1.5 m/s (300 ft./min.)
lineage power 15 data sheet october 1, 2009 3.3 vdc and 5.0 vdc input, 1. 5 vdc - 3.3 vdc output, 5a austin lite non-isolated smt dc - dc power modules: test configurations figure 43. input reflected ripple current test setup. figure 44. input /output decoupling circuit. figure 45. load transient circuit. design considerations input output decoupling an input capacitance of 100 f with an esr of less than 100 milliohms and at least 1 f ceramic or equivalent is recom- mended for the input to the modules. this 100 f capacitor should always be used unless the buss bulk capacitors are located close to the module. this capacitor provides decou- pling in the event of a fault to the module output. input voltage should never go below 2.5v or internal protection circuitry may fail to act. to achieve noise levels shown in figures , one 100 f tantalum capacitor and one 1 f ceramic capacitor are used. 0.75 inches of 0.14 inch wide track (with no ground beneath) is used as an inductor between the input pin of the module and the decoupling capacitors. output decoupling used to achieve noise levels shown in fig- ures is 1 f. care should be taken that selected output decoupling capacitors do not form troublesome l-c resonant networks with track inductance. safety considerations emi:fcc class b and en55022 class b radiated emissions safety: designed to meet ul 60950, csa c22.2 no. 60950- 00, and vde 0805 (iec 60950) for safety agency appr oval of the system in which the austin lite power module is used, the power module must be installed in compliance with the spacing and separation requirements of the end us e safety agency standard. for the converter output to meet the requirements of safety extra low voltage (selv), the input must meet selv require- ments. the austin lite power module has extra low voltage (elv) outputs when all inputs are elv. the input to these units is to be provided with a maximum 10a normal blow fuse in the ungrounded lead. ctrl com 250 nh vrm v in v out v in + ? c bulk 100 f c decoup 1 f c decoup 1 f input reflected ripple current i load ctrl com trace l vrm v in v out v in + ? c bulk 100 f c decoup 1 f c decoup 1 f tp r ipp i load ctrl com vrm v in v out v in + ? c bulk 100 f c decoup 1 f c decoup 1 f up r load load switch control
lineage power 16 data sheet october 1, 2009 3.3 vdc and 5.0 vdc input, 1. 5 vdc - 3.3 vdc output, 5a austin lite non-isolated smt dc - dc power modules: feature descriptions output regulation these modules make use of inherent output resistance to facilitate improved tr ansient response. th is means that the output voltage will decrease with increasing output current. for this reason, the total dc regulation window at any given operating temperature is comprised of a no-load setpoint and a load dependent voltage drop due to module output resistance. regulation data provided includes both the initial set point and this voltage drop. production test limits are set such that no module could pass with a full-load regulation point equal to the maximum colu mn. this means that at any operating current, the regulation will always be better than the total window specified. output overcurrent protection/overtemperature protection current limiting is provided for momentary overloads and short circuits. a sustained overload may cause the thermal shutdown circuit to activate. the current limit inception is nominally 7 amperes with the power semiconductors at rated temperature in a 25 c am bient environment. the ther- mal circuitry will shut down the module at 110 c minimum on the power semiconductors? top surfaces measured using an infrared camera as described in the thermal ratings section. output control the output voltage may be margined up or down in direct proportion to the percentage devi ation of the control pin from 1.5v. the control pin may be driven by an imposed voltage to margin up or down or shunted by a resistive element to ground for margin down. the preferred margin technique employs an external control voltage to margin up or down. a resistor shunt may be used to margin down but the refer- ence will sag due to its internal impedance. v out : the value of the output voltage after margining v control : the voltage at the ctrl pin v outnom : the ouput voltage if the control pin is left open r margin :the shunt resistor to ground for margining figure 46. circuit for increasing the output voltage. margin up to margin the converter up apply a voltage to the ctrl pin that is above 1.50 volts by the same percentage as the desired margin up percentage. example:margin up 5%: applying 1.575 volts to the ctrl pin will increase the output voltage by 5% over its unmar- gined value. margin down assume a percentage to margin down. then connect a resistor rmargin between ct rl and gnd. use the follow- ing relations to decide the value of rmargin. figure 47. circuit for decreasing the output voltage. example: to margin down 5%, then : r margin = 9481 because margining affects the system referenc e, margining beyond 10% is unacceptable and 0% - 5% is desirable. mar- gining the unit down beyond 5% requires derating the avail- able current by 1% for every percent beyond 5 that the module is margined down. for example, if a module were margined down 7%, output current would have to be derated 2%. special note:the 3.3/2.5v versi on must be operated at nominal line to achieve margin up. the margin up available for this version is maximum 5%. ctrl ? + to fb reference 100 a 51.1 k 1.5 v + ? 499 v control + ? v control = 1.5 (1 + margin up %) v control = 1.5 (1 + .05) v control = 1.575 ctrl ? + to fb 51.1 k 1.5 v + ? 499 r margin reference 100 a 499 1 ? margin% 1 ? (1 ? margin%) ------------------------------------------- - ?? ?? ? r margin = 499 1 ? .05 1 ? (1 ? .05) ----------------------------- ?? ?? ? r margin =
lineage power 17 data sheet october 1, 2009 3.3 vdc and 5.0 vdc input, 1. 5 vdc - 3.3 vdc output, 5a austin lite non-isolated smt dc - dc power modules: thermal considerations austin lite power modules are rated to operate in ambient temperatures from -40 c to 85 c. the derating curves below are provided as design aids for proper application of the power modules. to insure adequate cooling, the module temperature should be measured in the system configura- tion. ideally, temperature will be measured using an infrared temperature probe (such as th e fluke 80t-ir) or imaging system under the maximum am bient temperature and the minimum air flow conditions. diode and fet case tempera- tures measured on the top surface?s hottest spot should not exceed 105 c. an alternative method of measuring temper- ature is the use of thermocoupl es. for best results, a small thermocouple should be attached to the leads of each fet and diode using a small amount of thermal epoxy. figure 48. temperature measurement location.
lineage power 18 data sheet october 1, 2009 3.3 vdc and 5.0 vdc input, 1. 5 vdc - 3.3 vdc output, 5a austin lite non-isolated smt dc - dc power modules: surface mount information pick and place area placement of the austin lite can be achieved by choosing one of the below points. recommended location n pick point 1: the product id label, which is attaced over the surface mount inductors, pr ovides the largest and most versatile pick point. this label is 0.340? x 0.440?. up to an 8-mm outside diameter nozzle can be utilized to obtain maximum vacuum pick-up. smaller diameter nozzles can also be utilized. for all nozzle sizes, travel and rotation speeds may need to be reduced. this off center pick point may pose some ch allenges for some vision recognition systems. alternate locations n pick points 2 and 3:these points provide a location that is closest to the center of gravit y on the x-axis centerline. a nozzle size of 2.5mm to 3.7mm can be utilized in these locations. care is needed to avoid nozzle contact with adjacent components. placement system accuracy needs to be verified. travel and rotations speeds will need to be reduced. it is possible that a custom nozzle can be designed to utilize both of these points simultaneously. n pick point 4:this point is only available to machines that can move off of the x-axis centerli ne. it provides a larger sur- face area and is close to the center of gravity. a 4-mm out- side diameter nozzle can be utilized. travel and rotations speeds will need to be reduced. if rotational slipping occurs, rubber tipped nozzles can be uti- lized to prevent slippage. these recommendations are general and apply only to machines that use vacuum nozzles to place components. machines with the capability of adding mechanical gripping to the sides of assembly can also be utilized. testing with a specific placem ent machine is recommended to determine optimal placement procedures. figure 49. austin lite top side view. tin lead soldering the austin lite smt power modules are lead free modules and can be soldered either in a lead-free solder process or in a conventional tin/lead (sn/pb) pr ocess. it is recommended that the customer review data sheets in order to customize the solder reflow profile for each application board assembly. the following instructions must be observed when soldering these units. failure to observ e these instructions may result in the failure of or cause damage to the modules, and can adversely affect long-term reliability. in a conventional tin/lead (sn/pb) solder process peak reflow temperatures are limited to less than 235 o c. typically, the eutectic solder melts at 183 o c, wets the land, and subse- quently wicks the device connection. sufficient time must be allowed to fuse the plating on the connection to ensure a reli- able solder joint. there are several types of smt reflow tech- nologies currently used in the industry. these surface mount power modules can be reliably soldered using natural forced convection, ir (radiant infrared ), or a combination of convec- tion/ir. for reliable soldering the solder reflow profile should be established by accurately measuring the modules cp con- nector temperatures. figure 50. reflow profile. figure 51. time limit curve above 205 0 c. time (seconds) alloy: sn63pb37 or sn62pb36ag02 0 20 40 60 80 100 120 140 160 180 200 220 30 60 90 120 150 180 210 240 270 0 reflow zone 30 - 90 sec max 30 - 60 sec 2.0 min max 60 - 90 sec soaking zone <2.5 ?c/sec 0.5 - 0.6 ?c/sec 1.3 - 1.6 ?c/sec peak temp. 210 - 235 ?c 2.0 - 4.0 min pre-heating 200 205 210 215 220 225 230 235 240 0 10 20 30 40 50 60 time (s)
lineage power 19 data sheet october 1, 2009 3.3 vdc and 5.0 vdc input, 1. 5 vdc - 3.3 vdc output, 5a austin lite non-isolated smt dc - dc power modules: surface mount information (continued) lead free soldering the ?z version austin lite smt modules are lead-free (pb- free) and rohs compliant and are both forward and backward compatible in a pb-free and a snpb soldering pro- cess. failure to observe the instructions below may result in the failure of or cause damage to the modules and can adversely affect long-term reliability. pb-free reflow profile power systems will comply with j-std-020 rev. c (mois- ture/reflow sensitivity classification for nonhermetic solid state surface mount devices) for both pb-free solder pro- files and msl classification procedures. this standard pro- vides a recommended forced-air-convection reflow profile based on the volume and thickness of the package (table 4- 2). the suggested pb-free solder paste is sn/ag/cu (sac). the recommended linear reflow profile using sn/ag/cu sol- der is shown in figure. 52. msl rating the austin lite smt modules have a msl rating of 1. storage and handling the recommended storage env ironment and handling pro- cedures for moisture-sensitive surface mount packages is detailed in j-std-033 rev. a (handling, packing, shipping and use of moisture/reflow sensitive surface mount devices). moisture barrier bags (mbb) with desiccant are required for msl ratings of 2 or greater. these sealed pack- ages should not be broken until time of use. once the origi- nal package is broken, the fl oor life of the product at conditions of 30c and 60% relative humidity varies according to the msl rating (see j-std-033a). the shelf life for dry packed smt packages will be a minimum of 12 months from the bag seal date, when stored at the following conditions: < 40 c, < 90% relative humidity. post solder cleaning and drying considerations post solder cleaning is usually the final circuit-board assem- bly process prior to electrical board testing. the result of inadequate cleaning and drying can affect both the reliability of a power module and the testability of the finished cir- cuit-board assembly. for guidance on appropriate soldering, cleaning and drying procedures, refer to lineage power board mounted power modules: soldering and cleaning application note (ap01-056eps). figure 52. recommended linear reflow profile using sn/ag/cu solder. solder ball and cleanliness requirements the open frame (no case or potting) power module will meet the solder ball requirements per j-std-001b. these requirements state that solder balls must neither be loose nor violate the power module minimum electrical spacing. the cleanliness designator of the open frame power module is c00 (per j specification). per j-std-020 rev. c 0 50 100 150 200 250 300 reflow time (seconds) reflow temp (c) heating zo ne pe ak te m p * min. time above 235c *time above 217c cooling zo ne
lineage power 20 data sheet october 1, 2009 3.3 vdc and 5.0 vdc input, 1. 5 vdc - 3.3 vdc output, 5a austin lite non-isolated smt dc - dc power modules: surface-mount tape and reel note:austin lite power modules are shipped in quantities of 250 modules per tape and reel. 0.925 (23.5) 0.945 (24.0) 0.158 (4.0) pick point top cover tape embossed carrier feed direction 1.45 (36.8) 1.59 (40.5) 1.73 (44.0) top cover tape embossed carrier 0.205 (5.2) note: conforms to eai-481 rev. a standard
lineage power 21 data sheet october 1, 2009 3.3 vdc and 5.0 vdc input, 1. 5 vdc - 3.3 vdc output, 5a austin lite non-isolated smt dc - dc power modules: mechanical specification figure 53.detailed drawing of product id label. figure 54.bottom view of the board. parameter symbol min typical max unit physical size *dimensions listed are typical, with a tolerance of +/-0.01 inches l w h ? ? ? *33 (1.3) 13.46 (0.53) 5.46 (0.215) ? ? ? mm (in.) mm (in.) mm (in.) weight ? ? 3.1 ? grams (oz.) module i/o, connector coplanarity ? ? ? 4 (.158) mm (in.) interconnecting low-inductance surface-mount connector labeling the label spans the magnetic component and contains the following: n line 1: vin and vout, version number n line 2: lineage power comcode n line3: lot number (year manufactured; manufacturing site, work week built, lot num- ber within work week, panel number; circuit serial number within panel) n line 4: barcode a = revision number general notes (a) part description: v in /v out a (b) manufacturing p/n: see table above (c) part s/n: ysswwllppmm (d) code 128 bar code => wwllppmm code: auto selection narrow bar widths (dots) = 2 : 003"/27.27 cpi v in /v out 3.3 v in /1.5 v out 3.3 v in /1.8 v out 3.3 v in /2.0 v out 3.3 v in /2.5 v out 5.0 v in /1.8 v out 5.0 v in /2.5 v out 5.0 v in /3.3 v out 108847294 108847237 108847245 108834961 108892464 108834979 108847252 mfg. p/n = year code = site (ex. dj-mesquite, kz-matamoros...) = build week = lot number = panel number (01-20) = module number (01-78) y s w l m m a austin lite product label illustrating a 3.3v/1.5v austin lite, revision 1, lot #1, panel #1, module #1, built in austin during the 25th week of 2000 0.725 0.190 0.310 1.300 0.048 0.050 0.075 0.480 0.530 0.070 0.120 gnd v out control v in lismc pad bottom view of board
world wide headquarters tyco electronics power systems, inc. 3000 skyline drive, mesquite, tx 7514, usa +1-800-526-7819 fax: +1-888-315-5182 (outside u.s.a.: +1-972-284-2626 , fax: +1-972-284-2900) www.power.tycoelectronics.com e-mail: techsupport1@tycoelectronics.com tyco electronics corporation reserves the right to make changes to the product(s) or information contained herein without notic e. no liability is ass product(s) or information. lineage power dc-dc products are protected under various patents. information eagepower.com/patents ower systems, inc. (mesquite, texas) all inter in u.s.a. document no: ads01-026eps pdf name: austin lite.pdf europe, middle-east and africa headquarters tyco electronics (uk) ltd tel: +44 (0) 1344 469 300, fax: +44 (0) 1344 469 301 central america-latin america headquarters tyco electronics power systems tel: +54 11 4316 2866, fax: +54 11 4312 9508 asia-pacific headquarters tyco electronics singapore pte ltd tel: +65 482 0311, fax: 65 480 9299 data sheet october 1, 2009 3.3 vdc and 5.0 vdc input, 1. 5 vdc - 3.3 vdc output, 5a austin lite non-isolated smt dc - dc power modules: ordering information please contact your lineage power sales representa tive for pricing, availability and optional features. -z refers to rohs compliant versions. product code comcode expanded product description austin lite 3.3v 1.5v 5a t 108847294 3.3 vin; 1.5 vout; 4 terminal surface mount; 5a iout; tape & reel package austin lite 3.3v 1.8v 5a t 108847237 3.3 vin; 1.8 vout; 4 terminal surface mount; 5a iout; tape & reel package austin lite 3.3v 2.0v 5a t 108847245 3.3 vin; 2.0 vout; 4 terminal surface mount; 5a iout; tape & reel package austin lite 3.3v 2.5v 5a t 108834961 3.3 vin; 2.5 vout; 4 terminal surface mount; 5a iout; tape & reel package austin lite 5.0v 1.8v 5a t 108892464 5 vin; 1.8 vout; 4 terminal surface mount; 5a iout; tape & reel package austin lite 5.0v 2.5v 5a t 108834979 5 vin; 2.5 vout; 4 terminal surface mount; 5a iout; tape & reel package austin lite 5.0v 3.3v 5a t 108847252 5 vin; 3.3 vout; 4 terminal surface mount; 5a iout; tape & reel package austin lite 3.3v 1.5v 5a t 108995585 ALM005A0M-SRZ 3.3 vin; 1.5 vout; 4 termi nal surface mount; 5a iout; tape & reel package austin lite 3.3v 1.8v 5a t 108995164 alm005a0y-srz 3.3 vin; 1.8 vout; 4 termi nal surface mount; 5a iout; tape & reel package austin lite 3.3v 2.0v 5a t 108995593 alm005a0d-srz 3.3 vin; 2.0 vout; 4 termi nal surface mount; 5a iout; tape & reel package austin lite 3.3v 2.5v 5a t 108995156 alm005a0g-srz 3.3 vin; 2.5 vout; 4 termi nal surface mount; 5a iout; tape & reel package austin lite 5.0v 1.8v 5a t 108995602 alh005a0y-srz 5 vin; 1.8 vout; 4 terminal surface mount; 5a iout; tape & reel package austin lite 5.0v 2.5v 5a t 108995610 alh005a0g-srz 5 vin; 2.5 vout; 4 terminal surface mount; 5a iout; tape & reel package austin lite 5.0v 3.3v 5a t 108995627 alh005a0f-srz 5 vin; 3.3 vout; 4 terminal surface mount; 5a iout; tape & reel package world wide headquarters lin eag e po wer co rp oratio n 601 shiloh road, plano , tx 75254 , usa +1-800-5 26-7819 (outside u.s.a.: +1- 97 2- 244-9428 ) www.line ag ep ower .co m e-m ail: techsupport1@linea gepower.com 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 arter s tel: + 49 898 780 672 80 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. lineage power dc-dc products are protected under various patents. information on these patents is available at www.lineagepower.com/patents ? 200 9 lineage power corporation, (plano , texas) all international rights reserved.

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