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DCS04S0A0S06NFA datasheet e - mail : dcdc @ d elta.com .tw ds_ DCS04S0A0S06NFA _0 3192012 http://www.deltaww.com/dcdc p1 features ? high efficiency: 94% @ 5.0vin, 3.3v/6a out ? small size and low profile: 12.2 x 12.2 x 7. 25 mm ( 0.48 x 0.4 8 x 0.2 9 ) ? surface mount packaging ? standard footprint ? voltage and resistor - based trim ? pre - bias startup ? output voltage tracking ? no mi nimum load required ? output voltage programmable from 0. 6 vdc to 3.3vdc via external resistor ? fixed frequency operation ? input uvlo, output ocp ? remote on/off ? iso 9001, tl 9000, iso 14001, qs9000, ohsas18001 certified manufacturing facility ? ul/cul 609 50 - 1 (us & canada) delphi d c s, non - isolat ed point of load dc/dc power modules: 2. 4 - 5.5vin, 0.6 - 3. 6 3v/6aout the delphi series d c s, 2. 4 - 5.5v input, single output, non - isolated point of load dc/dc converters are the latest offering from a world leader in power systems technology and manufacturing - - delta electronics, inc. the dcs series provides a programmable output voltage from 0. 6 v to 3.3v using an external resistor and has flexible and programmable tracking features to enable a variety of startup voltages as well as tracking between power modul es. this product family is available in surface mount and provides up to 6a of output current in an industry standard footprint. with creative design technology and optimization of component placement, these converters possess outstanding electrical and th ermal performance, as well as extremely high reliability under highly stressful operating conditions. options ? negative on/off logic ? tracking feature applications ? telecom / datacom ? distributed power architectures ? servers and workstations ? lan / wan appl ications ? data processing applications
ds_ DCS04S0A0S06NFA _0 3192012 e - mail : dcdc @ d elta.com.tw http://www.deltaww.com/dcdc p 2 technic al specifications parameter notes and conditions DCS04S0A0S06NFA min. typ. max. units absolute maximum ratings input voltage (continuous) - 0.3 6 vdc tracking voltage - 0.3 vin,max vdc operating ambient temperature - 40 85 storage temperature - 55 125 c input characteristics operating input voltage vo Q vin C 0.6 2.4 5.5 v input under - voltage lockout turn - on voltage threshold 2.2 v turn - off voltage threshold 2.0 v maximum input current vin=2.4v to 5.5v, io=io,max 6.5 a no - load input current vin=5v 15 ma off converter input current vin=5v 5 ma inrush transient 1 a2s input reflected ripple current, peak - to - peak (5hz to 20mhz, 1h source impedance; vin =0 to 5.5v, io= iomax ; 25 map - p input ripple rejection (120hz) 40 db output characteristics output voltage set point with 0.5% tolerance for external resistor used to set output voltage) - 1.5 vo,set +1.5 % vo,set output voltage adjustable range 0.6 3.63 v output voltage reg ulation over line for vo>=2.5v 0.4 % vo,set for vo<2.5v 10 mv over load for vo>=2.5v 10 mv for vo<2.5v 5 mv over temperature ta= - 40 to 85 0.4 % vo,set total output voltage range over sample load, line and temperature - 3.0 +3.0 % vo,set output voltage ripple and noise 5hz to 20mhz bandwidth peak - to - peak full load, 1f ceramic, 10f tantalum 25 35 mv rms full load, 1f ce ramic, 10f tantalum 10 15 mv output current range 0 6 a output voltage over - shoot at start - up vout=3.3v 1 % vo,set output dc current - limit inception hiccup mode 200 % io output short - circuit current (hiccup mode) io,s/c 1 adc dynamic charac teristics dynamic load response 10f tan & 1f ceramic load cap, 2.5a/s,co=47u,vin=5v,vo=1.8v positive step change in output current 0 - 50% iomax 180 mv negative step change in output current 50% iomax - 0 180 mv settling time to 10% of peak deviation 500 s turn - on transient io=io.max start - up time, from on/off control von/off, vo=10% of vo,set 2 ms start - up time, from input vin=vin,min, vo=10% of vo,set 2 ms output voltage rise time time for vo to rise from 10% to 90% of vo, set 2 5 ms output capacitive load full load; esr R 0.15m 47 1000 f full load; esr R 10m 47 3000 f efficiency vo=3.3v vin=5v, 100% load 94.0 % vo=2.5v vin=5v, 100% load 91.5 % vo=1.8v vin=5v, 100% load 89. .5 % vo=1.5v vin=5v, 100% load 88.0 % vo=1.2v vin=5v, 100% load 85.0 % v o=0. 6 v vin=5v, 100% load 76.0 % feature characteristics switching frequency 6 00 khz on/off control, (negative logic) logic low voltage module on, von/off - 0.2 vin - 1.6 v logic high voltage module off, von/off vin - 0.8 vin,max v logic low current module on, ion/off 200 a logic high current module off, ion/off 0.2 1 ma on/off control, (positive logic) logic high voltage module on, von/off 1.6 vin,max v logic low voltage module off, von/off - 0.3 0.3 v logic low current m odule on, ion/off 0.2 1 ma logic high current module off, ion/off 10 a 0tracking slew rate capability 0.1 2 v/msec tracking delay time delay from vin.min to application of tracking voltage 10 ms tracking accuracy power - up 2v/ms 100 mv power - down 1v/ms 100 mv general specifications mtbf io=80% of io, max; ta=25c 1 m hours weight 2.0 grams (t a = 25c, airflow rate = 300 lfm, v in = 2.4 vdc to 5.5vdc, nominal vout unless otherwise noted.)
ds_ DCS04S0A0S06NFA _0 3192012 e - mail : dcdc @ d elta.com.tw http://www.deltaww.com/dcdc p 3 electrical character istics curves figure 1: converter efficiency vs. output current ( 0.6 v out) figure 2: converter efficiency vs. ou tput current ( 1.2 v out) figure 3: converter efficiency vs. output current (1. 5 v out) figure 4: converter efficiency vs. output current (1. 8 v out) figure 5: converter efficiency vs. output current ( 2.5 v out) figure 6: converter efficiency vs. output current ( 3.3 v out)
ds_ DCS04S0A0S06NFA _0 3192012 e - mail : dcdc @ d elta.com.tw http://www.deltaww.com/dcdc p 4 electrical character istics curves (con.) igure 7: output ripple & noise at 5 vin, 0.6 v/6a out . (2us/div and 5mv/div) figure 8: output ripple & noise at 5 vin, 1.2 v/6a out . (2us/div and 5mv/div) figure 9: output ripple & noise at 5 vin, 1.8 v/6a out . (2us/div and 5mv/div) figure 10: output ripple & noise at 5 vin, 3.3 v/6a out . (2us/div and 5mv/div)
ds_ DCS04S0A0S06NFA _0 3192012 e - mail : dcdc @ d elta.com.tw http://www.deltaww.com/dcdc p 5 figure 11: turn on delay time at 5 vin, 0.6 v/6a out (2ms/div),top trace:vout 0.2v/div; bottom trace:vin,5v/div figure 12: turn on delay time at 5 vin, 1.2 v/ 6a out (2ms/div),top trace:vout 0.5v/div; bottom trace:vin,5v/div electrical character istics curves (con.) figure 13: turn on delay time at 5 vin, 1.8 v/6a out (2ms/div),top trace:vout 1v/div; bottom trace:vin,5v/div figure 14: turn on delay time at 5 vin, 3.3 v/6a out (2ms/div),top trace:vout 2v/div; bottom trace:vin,5v/div figure 15: turn on delay time at remote on/off, 0.6v/6a out(2ms/div),top trace:vout 0.2v/div; bottom tra ce: on/off , 2 v/div figure 16: turn on delay time at remote on/off, 3.3 v/6a out(2ms/div),top trace:vout 2v/div; bottom trace: on/off , 2 v/div
ds_ DCS04S0A0S06NFA _0 3192012 e - mail : dcdc @ d elta.com.tw http://www.deltaww.com/dcdc p 6 figure 17: turn on delay time at remote turn on with external capacitors (co= 3000 f) 5vin , 3.3v/6a out figure 18: turn on delay time at remote turn on with external capacitors (co= 3000 f) 3.3vin , 2.5v/6a out
ds_ DCS04S0A0S06NFA _0 3192012 e - mail : dcdc @ d elta.com.tw http://www.deltaww.com/dcdc p 7 electrical character istics curves figure 19: typical transient respon se to step load change at 2.5a/s from 50% to 0% of io, max at 5vin, 0.6vout (200us/div) (cout = 47uf ceramic).top trace:vout,0.1v/div;bottom trace:iout:2a/div. figure 20: typical transient response to step load change at 2.5a/s from 0% to 50% of io, max at 5vin, 0.6vout (200us /div) (cout = 47uf ceramic).top trace:vout,0.1v/div;bottom trace:iout:2a/div. figure 21: typical transient response to step load change at 2.5a/s from 50% to 0% of io, max at 5vin, 1.2vout (200us/div) (cout = 47uf ceramic).top trace:vout,0.1v/div;bottom trace:iout:2a/div. figure 22: typical transient response to step load change at 2.5a/s from 0% to 50% of io, max at 5vin, 1.2vout (200us/div) (cout = 47uf ceramic).top trace:vout,0.1v/div;bottom trace:iou t:2a/div.
ds_ DCS04S0A0S06NFA _0 3192012 e - mail : dcdc @ d elta.com.tw http://www.deltaww.com/dcdc p 8 electrical character istics curves (con.) figure 23: typical transient response to step load change at 2.5a/s from 50% to 0% of io, max at 5vin, 1.8vout (200us/div) (cout = 47uf ceramic).top trace:vo ut,0.1v/div;bottom trace:iout:2a/div. figure 24: typical transient response to step load change at 2.5a/s from 0% to 50% of io, max at 5vin, 1.8vout (200us/div) (cout = 47uf ceramic).top trace:vout,0.1v/div;bottom trace:iout:2a/div. figure 25: typical transient response to step load change at 2.5a/s from 50% to 0% of io, max at 5vin, 3.3vout (200us/div) (cout = 47uf ceramic).top trace:vout,0.1v/div;bottom trace:iout:2a/div. figure 26: typical transient respons e to step load change at 2.5a/s from 0% to 50% of io, max at 5vin, 3.3vout (200us/div) (cout = 47uf ceramic).top trace:vout,0.1v/div;bottom trace:iout:2a/div.
ds_ DCS04S0A0S06NFA _0 3192012 e - mail : dcdc @ d elta.com.tw http://www.deltaww.com/dcdc p 9 figure 27: output short circuit current 5vin, 3.3 vou t 10ms/div top trace:vout,0.5v/div;bottom trace:iout,5a/div figure 28: tracking at 5vin , 3.3v/6a out (1ms/div), tracking voltage=5v,top trace:vseq,1v/div;bottom trace:vout,1v/div
ds_ DCS04S0A0S06NFA _0 3192012 e - mail : dcdc @ d elta.com.tw http://www.deltaww.com/dcdc p 10 test configurations figure 29: input reflected - ripple test setup note: use a 10f tantalum and 1f capacitor. scope measurement should be made using a bnc connector. figure 30: peak - peak output noise and startup transient measurement test setup. figure 31: output voltage and efficiency m easurement test setup note: all measurements are taken at the module terminals. when the module is not soldered (via socket), place kelvin connections at module terminals to avoid measurement errors due to contact resistance. design considerations input source impedance to maintain low noise and ripple at the input voltage, it is critical to use low esr capacitors at the input to the module. a highly inductive source can affect the stability of the module. an inp ut capacitance must be placed close to the modules input pins to filter ripple current and ensure module stability in the presence of inductive traces that supply the input voltage to the module. the input capacitance should be able to handle an ac ripple current of at least: vo gnd 10uf tantalum 1uf ceramic scope resistive load v i vo gnd % 100 ) ( ? ? ? ? ii vi io vo ? arms vin vout vin vout iout irms ? ? ? ? ? ? ? ? 1
ds_ DCS04S0A0S06NFA _0 3192012 e - mail : dcdc @ d elta.com.tw http://www.deltaww.com/dcdc p 11 design consideration s (con.) safety considerations for safety - agency approval the power module must be installed in compliance with the spacing and separation requirements of the end - use safety agency standards. for the converter output to be considered meeting the requirements of safety extra - low voltage (selv), the input must meet selv requirements. 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 maximum 10 a fuse in the ungrounded lead. input under voltage lockout at input voltages below the input under voltage lockout limit, the module operation is disabled. the module will begin to operate at an input voltage above the under voltage lockout turn - on threshold. over - current protection to provide protectio n in an output over load fault condition, the unit is equipped with internal over - current protection. when the over - current protection is triggered, the unit enters hiccup mode. the units operate normally once the fault condition is removed. features des criptions remote on/off the dcs series power modules have an on/off pin for remote on/off operation. both positive and negative on/off logic options are available in the dcs series power modules . for negative logic module, connect an open collector (npn) transistor or open drain (n channel) mosfet between the on/off pin and the gnd pin (see figure 3 2 ). nega tive logic on/off signal turns the module on during the logic high and turns the module off during th e logic low. when the nega tive on/off function is not used, tie the pin to gnd (module will be on). for posi tive logic module, the on/off pin is pulled high with an external pull - up 5k resistor (see figure 3 3 ). posi tive logic on/off signal turns the module off during logic high and turns the module on during logic low. if the posi tive on/off function is not used, tie the pin to vin . (module will be on) figure 3 2 : nega itive remote on/ off implementation figure 3 3 : posi tive remote on/off implementation over - current protection to provide protection in an output over load fault condition, the unit is equipped with internal over - current protection. when the over - current protection is triggered, the unit enters hiccup mode. the units operate normally once the fault condition is removed. vo o n/o ff v in gnd q1 rl i o n /o f f vo on/off vin gnd q1 rl rpull- up i o n /o ff
ds_ DCS04S0A0S06NFA _0 3192012 e - mail : dcdc @ d elta.com.tw http://www.deltaww.com/dcdc p 12 features description s (con.) remote sense the dcs provide vo remote sensing to achie ve proper regulation at the load points and reduce effects of distribution losses on output line. in the event of an open remote sense line, the module shall maintain local sense regulation through an internal resistor. the module shall correct for a total of 0.5v of loss. the remote sense line impedance shall be < 10 ? . figure 3 4 : effective circuit configuration for remote sense operation output voltage programming the output voltage of the dcs can be programmed to any voltage betw een 0. 6 vdc and 3.3vdc by connecting one resistor (shown as rtrim in figure 3 5 ) between the trim and gnd pins of the module. without this external resistor, the output voltage of the module is 0. 6 vdc. to calculate the value of the resistor rtrim for a part icular output voltage vo, please use the following equation: for example, to program the output voltage of the dcs module to 1.8vdc, rtrim is calculated as follows: figure 3 5 : circuit configuration for programming output voltage using an external resistor t able 1 provides rtrim values required for some common output voltages, by using a 0.5% tolerance trim resistor, set point tolerance of 1.5% can be achiev ed as specified in the electrical specification. table 1 certain restrictions apply on the output voltage set point depending on the input voltage. these are shown in the output voltage vs. input voltage set point area plot in figure 36. the upper limit curve shows that for output voltages of 3.3v and lower, the input voltage must be lower than the maximum of 5.5v. the lower limit curve shows that for output voltages of 1.8v and higher, the input voltage needs to be larger than the minimum of 2.4v. figure 3 6 : output voltage vs. input voltage set point area plot showing limits where the output voltage can be set for different input voltages. vo sense vin gnd rl distribution losses distribution losses distribution losses distribution losses ? ? ? ? ? ? ? ? ? k vo rtrim 6 . 0 2 . 1 ? ? ? ? ? ? ? ? ? ? ? k k rtrim 1 6 . 0 8 . 1 2 . 1 vo trim gnd rload rtrim 0.6v open 1v 3k 1.2v 2k 1.5v 1.333k 1.8v 1k 2.5v 0.632k 3.3v 0.444k
ds_ DCS04S0A0S06NFA _0 3192012 e - mail : dcdc @ d elta.com.tw http://www.deltaww.com/dcdc p 13 when an analog voltage is applied to the seq pin, the output voltage t racks this voltage until the output reaches the set - point voltage. the final value of the seq voltage must be set higher than the set - point voltage of the module. the output voltage follows the voltage on the seq pin on a one - to - one basis. by connecting mu ltiple modules together, multiple modules can track their output voltages to the voltage applied on the seq pin. for proper voltage sequencing, first, input voltage is applied to the module. the on/off pin of the module is left unconnected (or tied to gnd for negative logic modules or tied to vin for positive logic modules) so that the module is on by default. after applying input voltage to the module, a minimum 10msec delay is required before applying voltage on the seq pin. this delay gives the module en ough time to complete its internal power - up soft - start cycle. during the delay time, the seq pin should be held close to ground (nominally 50mv 20 mv). this is required to keep the internal op - amp out of saturation thus preventing output overshoot during the start of the sequencing ramp. by selecting resistor r1 (see figure. 38) according to the following equation the voltage at the sequencing pin will be 50mv when the sequencing signal is at zero. feature descriptions (con.) t he amount of power delivered by the module is the voltage at the output terminals multiplied by the output current. when using the trim feature, the output voltage of the module can be increased, which at the same output current would increase the power ou tput of the module. care should be taken to ensure that the maximum output power of the module must not exceed the maximum rated power ( vo.set x io.max p max) voltage margining output voltage margining can be implemented in the dcs modules by connecting a resistor, r margin - up , from the trim pin to the ground pin for margining - up the output voltage and by connecting a resistor, r margin - down , f rom the trim pin to the output pin for margining - down. figure 3 shows the circuit configuration for output voltage margining. if unused, leave the trim pin unconnected. a calculation tool is available from the evaluation procedure which computes the values of r margin - up and r margin - down for a specific output voltage and margin percentage. figure 3 7 : circuit configuration for output voltage margining output voltage sequencing the dcs 12v 6a modules include a sequencing feature, ez - sequence that enables users to implement various types of output voltage sequencing in their applications. this is accomplished via an additional sequencing pin. when not using the sequencing feature, either tie the seq pin to vin or leave it unconnect ed. ? ? ? ? ? ? ? ? ? 05 . 0 24950 1 vin r vo on/off vin gnd trim q2 q1 rmargin-up rmargin-down rtrim
ds_ DCS04S0A0S06NFA _0 3192012 e - mail : dcdc @ d elta.com.tw http://www.deltaww.com/dcdc p 14 feature descriptions (con.) after the 10msec delay, an analog voltage is applied to the seq pin and the output voltage of the module will track this voltage on a one - to - one volt bases until the output reaches the set - point voltage. to initiate simultaneous shutdown of the modules, the seq pin voltage is lowered in a controlled manner. the output vol tage of the modules tracks the voltages below their set - point voltages on a one - to - one basis. a valid input voltage must be maintained until the tracking and output voltages reach ground potential. when using the ez - sequencetm feature to control start - up o f the module, pre - bias immunity during startup is disabled. the pre - bias immunity feature of the module relies on the module being in the diode - mode during start - up. when using the ez - sequencetm feature, modules goes through an internal set - up time of 10ms ec, and will be in synchronous rectification mode when the voltage at the seq pin is applied. this will result in the module sinking current if a pre - bias voltage is present at the output of the module. figure 3 8 : circuit showing connection of the sequen cing signal to the seq pin. simultaneous tracking (figure 41) is implemented by using the track pin. the objective is to minimize the voltage difference between the power supply outputs during power up and down. the simultaneous tracking can be accomp lished by monotonic start - up and shutdown the dcs 6a modules have monotonic start - up and shutdown behavior for any combination of rated input voltage, output current and operating temperature range.
ds_ DCS04S0A0S06NFA _0 3192012 e - mail : dcdc @ d elta.com.tw http://www.deltaww.com/dcdc p 15 thermal consideratio ns thermal management is an important part of the system design. to ensure proper, reliable operation, sufficient cooling of the power module is needed over the entire temperature range o f the module. convection cooling is usually the dominant mode of heat transfer. hence, the choice of equipment to characterize the thermal performance of the power module is a wind tunnel. thermal testing setup deltas dc/dc power modules are characteri zed in heated vertical wind tunnels that simulate the thermal environments encountered in most electronics equipment. this type of equipment commonly uses vertically mounted circuit cards in cabinet racks in which the power modules are mounted. the follow ing figure shows the wind tunnel characterization setup. the power module is mounted on a test pwb and is vertically positioned within the wind tunnel. thermal derating heat can be removed by increasing airflow over the module. to enhance system reliabil ity, the power module should always be operated below the maximum operating temperature. if the temperature exceeds the maximum module temperature, reliability of the unit may be affected. figure 39: wind tunnel test setup thermal curves figure 40: temperature measurement location the allowed maximum hot spot temperature is defined at 109 figure 41: output current vs. ambient temperature and air velocity@vin=5v, vout=3.3v(either orientation) figure 42: output current vs. ambient temperature and air velocity@vin=5v, vout=2.5v(either orientation) air flow module pwb 50.8(2.00") air velocity and ambient temperature sured below the module fancing pwb note: wind tunnel test setup figure dimensions are in millimeters and (inches) dcs04s0a0s06 output current vs. ambient temperature and air velocity @vin=5v vout=3.3v (either orientation) 0 1 2 3 4 5 6 25 30 35 40 45 50 55 60 65 70 75 80 85 output current (a) ambient temperature ( ) natural convection dcs04s0a0s06 output current vs. ambient temperature and air velocity @vin=5v vout=2.5v (either orientation) 0 1 2 3 4 5 6 25 30 35 40 45 50 55 60 65 70 75 80 85 output current (a) ambient temperature ( ) natural convection
ds_ DCS04S0A0S06NFA _0 3192012 e - mail : dcdc @ d elta.com.tw http://www.deltaww.com/dcdc p 16 thermal curves figure 43: output current vs. ambient temperature and air velocity@vin=3.3v, vout=1.8v(either orientation) figure 44: output current vs. ambient temperature and air velocity@vin=3.3v, vout=1.2v (either orientation) figure 45: output current vs. ambient temperature and air velocity@vin=3.3v, vout=1.0v(either orientation) figure 46: output current vs. ambient temperature and air velocity@vin=3.3v, vout=0.6v(either orientation) dcs04s0a0s06 output current vs. ambient temperature and air velocity @vin=3.3v vout=1.8v (either orientation) 0 1 2 3 4 5 6 25 30 35 40 45 50 55 60 65 70 75 80 85 output current (a) ambient temperature ( ) natural convection dcs04s0a0s06 output current vs. ambient temperature and air velocity @vin=3.3v vout=1.2v (either orientation) 0 1 2 3 4 5 6 25 30 35 40 45 50 55 60 65 70 75 80 85 output current (a) ambient temperature ( ) natural convection dcs04s0a0s06 output current vs. ambient temperature and air velocity @vin=3.3v vout=1.0v (either orientation) 0 1 2 3 4 5 6 25 30 35 40 45 50 55 60 65 70 75 80 85 output current (a) ambient temperature ( ) natural convection dcs04s0a0s06 output current vs. ambient temperature and air velocity @vin=3.3v vout=0.6v (either orientation) 0 1 2 3 4 5 6 25 30 35 40 45 50 55 60 65 70 75 80 85 output current (a) ambient temperature ( ) natural convection
ds_ DCS04S0A0S06NFA _0 3192012 e - mail : dcdc @ d elta.com.tw http://www.deltaww.com/dcdc p 17 pick and place locat ion recommended pad layo ut surface - mount tape & reel
ds_ DCS04S0A0S06NFA _0 3192012 e - mail : dcdc @ d elta.com.tw http://www.deltaww.com/dcdc p 18 lead (sn/pb) process recommend te mp. profile note: the temperature refers to the pin of dcs, me asured on the pin vout joint . lead free (sac) proc ess recommend temp. profile note: the temperature refers to the pin of dcs, measured on the pin vout joint. temp . time 150 200 90~120 sec. time limited 75 sec. above 220 220 preheat time ramp up max. 3 ramp down max. 4 peak temp. 240 ~ 245 25
ds_ DCS04S0A0S06NFA _0 3192012 e - mail : dcdc @ d elta.com.tw http://www.deltaww.com/dcdc p 19 mechanical drawing
ds_ DCS04S0A0S06NFA _0 3192012 e - mail : dcdc @ d elta.com.tw http://www.deltaww.com/dcdc p 20 part numbering syste m d c s 04 s 0a0 s 06 n f a product series i nput voltage numbers of outputs output voltage package type output current on/off logic option code d c s - 6a d c m - 1 2 a d c l - 20 a 04 - 2. 4 ~5.5v 1 2 C 4.5 ~14v s - single 0a0 - programmable s - smd 06 - 6a 1 2 - 1 2 a 20 - 20 a n - negative p - positive f - rohs 6 /6 (lead free) a - standard fun c tion model list model name packaging input voltage output voltage output current efficiency 5.0vin, 3.3vdc @ 6a d c s04s0a0s06nf a smd 2. 4 ~ 5.5vdc 0. 6 v~ 3. 6 3vdc 6a 94.0% contact: www.deltaww.com/dcdc usa: telephone: east coast: 978 - 656 - 3993 west coast: 510 - 668 - 5100 fax: (978) 656 3964 email: dcdc@delta - corp.com europe: telephone: +31 - 20 - 655 - 0967 fax: +31 - 20 - 655 - 0999 ema il: dcdc@delta - es.tw asia & the rest of world: telephone: +886 3 4526107 ext. 6220~6224 fax: +886 3 4513485 email: dcdc@delta.com.tw warranty delta offers a two ( 2) y ear limited warranty. complete warranty information is listed on our web site or is available upon request from delta. information furnished by delta is believed to be accurate and reliable. however, no responsibility is assumed by delta for its use, nor for any infringements of patents or other rights of third parties, which may result from its use. no license is granted by implication or otherwise under any patent or patent rights of delta. delta reserves the right to revise these specifications at any t ime, without notice .

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