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preliminary data sheet october 28, 2010 9-36v prolynx tm 5a: non-isolated dc-dc power modules 9vdc ?36vdc input; 3vdc to 18vdc ou tput; 5a to 2.5a output current * 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. ** iso is a registered trademark of the international organization of standards document no: ds09-009 ver. 0.98 pdf name: apxw005a0x_ds.pdf features ? compliant to rohs eu directive 2002/95/ec (z versions) ? compatible in a pb-free or snpb reflow environment (z versions) ? extra wide input voltage range (9vdc?36vdc) ? output voltage programmable from 3vdc to 18 vdc via external resistor ? tunable loop tm to optimize dynamic output voltage response ? patent pending autolimit automatic scaling of current limit with output voltage ? output overcurrent protection (non-latching) ? overtemperature protection ? remote on/off ? remote sense ? small size: 20.3 mm x 11.4 mm x 8.5 mm (0.8 in x 0.45 in x 0.335 in) ? wide operating temperature range (-40c to 85c) ? ul * 60950-1recognized, csa ? c22.2 no. 60950-1- 03 certified, and vde ? 0805:2001-12 (en60950-1) licensed ? iso** 9001 and iso 14001 certified manufacturing facilities applications ? industrial equipment ? distributed power architectures ? intermediate bus voltage applications ? telecommunications equipment description the 9-36v prolynx tm series of power modules are non-isolated dc-dc converters that can deliver up to 5a of output current. these modules operate over an extra wide range of input voltage (v in = 9vdc ? 36vdc) and provide a precisely regulated output voltage from 3vdc to 18vdc, programmable via an external resistor. two new features added with this family of products are the ability to externally tune the voltage control loop and a variable current limit inversely dependent on output voltage. other features include remote on/off, adjustable output voltage, over current and over temperature protection. the tunable loop tm , allows the user to optimize the dynamic response of the converter to match the load with reduced amount of output capacitance leading to savings on cost and pwb area and autolimit enables the module to deliver the max possible output power across the entire voltage range. co vout vin+ sense q1 vout+ trim on/off cin vin module rtune gnd rtrim ctune r rohs compliant
preliminary data sheet october 28, 2010 9-36v prolynx tm 5a: non-isolated dc-dc power modules 9 ? 36vdc input; 3vdc to 18vdc output; 5a to 2.5a output current lineage power 2 absolute maximum ratings stresses in excess of the absolute maximum ratings can cause permanent damage to the device. these are absolute 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 affect the device reliability. parameter device symbol min max unit input voltage all v in -0.3 36 vdc continuous operating ambient temperature all t a -40 85 c (see thermal considerations section) storage temperature all t stg -55 125 c electrical specifications unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions. parameter device symbol min typ max unit operating input voltage all v in 9 ? 36 vdc maximum input current all i in,max 5 adc (v in =9v to 36v, i o =i o, max ) input no load current (v in = 28v, i o = 0, module enabled) v o,set = 3vdc i in,no load 26 ma (v in = 28v, i o = 0, module enabled) v o,set = 18vdc i in,no load 50 ma input stand-by current all i in,stand-by 3 ma (v in = 28vdc, module disabled) inrush transient all i 2 t 0.5 a 2 s input reflected ripple current, peak-to-peak (5hz to 20mhz, 1 h source impedance; v in =0 to 36v , i o = i omax ; see test configurations) all 95 map-p input ripple rejection (120hz) all -24 -45 -60 db caution: this power module is not internally fused. an input line fuse must always be used. this power module can be used in a wide variety of applications, ranging from simple standalone operation to an integrated part of sophisticated power architecture. to preserve maximum flexibility, internal fusing is not included; however, to achieve maximum safety and system protection, always use an input line fuse. the safety agencies require a fast-acting fuse with a maximum rating of 8 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 fuse manufacturer?s data sheet for further information.
preliminary data sheet october 28, 2010 9-36v prolynx tm 5a: non-isolated dc-dc power modules 9 ? 36vdc input; 3vdc to 18vdc output; 5a to 2.5a output current lineage power 3 electrical specifications (continued) parameter device symbol min typ max unit output voltage set-point all v o, set -2.0 +2.0 % v o, set output voltage all v o, set -2.5 ? +2.5 % v o, set (over all operating input voltage, resistive load, and temperature conditions until end of life) adjustment range (elected by an external resistor) (some output voltages may not be possible depending on the input voltage ? see feature descriptions section) all v o 3 18 vdc output regulation line (v in =v in, min to v in, max ) all ? 0.4 % v o, set load (i o =i o, min to i o, max ) all ? 0.4 % v o, set temperature (t ref =t a, min to t a, max ) all ? 0.4 % v o, set remote sense range all 0.5 vdc output ripple and noise on nominal output (v in =v in, nom and i o =i o, min to i o, max co = 0.1 f // 10 f ceramic capacitors) vout=3.3v, vin=28v peak-to-peak (5hz to 20mhz bandwidth) all 45 mv pk-pk rms (5hz to 20mhz bandwidth) all 14 mv rms vout=18v, vin=28v peak-to-peak (5hz to 20mhz bandwidth) all 143 mv pk-pk rms (5hz to 20mhz bandwidth) all 47 mv rms external capacitance 1 without the tunable loop tm esr 1 m ? all c o, max 0 ? 47 f esr 10 m ? all c o, max 0 ? 100 f with the tunable loop tm esr 0.15 m ? all c o, max 0 ? 100 f esr 10 m ? all c o, max 0 ? 2000* f output current (vo=3v) all i o 0 5 adc vo=5v all i o 0 4.7 adc vo=12v all i o 0 3.5 adc vo=18v all i o 0 2.5 adc output current limit inception (hiccup mode ) all i o, lim 160 % i o,max output short-circuit current 12vin 25c all i o, s/c 0.3 adc (v o 250mv) ( hiccup mode ) 28vin efficiency (i o =i o, max , v o = v o,set ) v in = 12vdc, t a =25c v o, set = 3.3vdc 91.0 % v in = 12vdc, t a =25c v o, set = 5vdc 93.3 % v in = 28vdc, t a =25c v o,set = 12vdc 94.7 % v in = 28vdc, t a =25c v o,set = 18vdc 95.9 % 1 depending on input and output voltage, external capacitors require using the new tunable loop tm feature to ensure that the module is stable as well as getting the best transient response. see the tunable loop tm section for details. * larger values may be possible at specific output voltages. please consult your lineage technical representative for additional details.
preliminary data sheet october 28, 2010 9-36v prolynx tm 5a: non-isolated dc-dc power modules 9 ? 36vdc input; 3vdc to 18vdc ou tput; 5a to 2.5a output current lineage power 4 electrical specifications (continued) parameter device symbol min typ max unit switching frequency all f sw ? 300 ? khz general specifications parameter min typ max unit calculated mtbf (i o =0.8i o, max , t a =40c) telcordia issue 2 method 1 case 3 17,822,788 hours weight ? 3.49 (0.123) ? g (oz.)
preliminary data sheet october 28, 2010 9-36v prolynx tm 5a: non-isolated dc-dc power modules 9 ? 36vdc input; 3vdc to 18vdc output; 5a to 2.5a output current lineage power 5 feature specifications unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions. see feature descriptions for additional information. parameter device symbol min typ max unit on/off signal interface ( v in =v in , min to v in , max ; o p en collector or e q uivalent , signal referenced to gnd) device is with suffix ?4? ? positive logic (see ordering information) logic high (module on) input high current all i ih ? 160 a input high voltage all v ih 4.2 ? 12 v logic low (module off) input low current all i il ? ? 0.5 ma input low voltage all v il -0.3 ? 3.3 v device code with no suffix ? negative logic (see ordering information) logic high (module off) input high current all i ih D D 1.6 ma input high voltage all v ih 1.5 D 36 vdc logic low (module on) input low current all i il D D 18 a input low voltage all v il -0.2 D 1 vdc turn-on delay and rise times (v in =v in, nom , i o =i o, max , v o to within 1% of steady state) case 1: on/off input is enabled and then input power is applied (delay from instant at which v in = v in, min until v o = 10% of v o, set ) all tdelay D 9 D msec case 2: input power is applied for at least one second and then the on/off input is enabled (delay from instant at which von/off is enabled until v o = 10% of v o, set ) all tdelay D 7 D msec output voltage rise time (time for v o to rise from 10% of vo, set to 90% of vo, set) all trise D 8 D msec output voltage overshoot (t a = 25 o c 3 % v o, set v in = v in, min to v in, max ,i o = i o, min to i o, max ) with or without maximum external capacitance over temperature protection all t ref 130 c (see thermal considerations section) input undervoltage lockout turn-on threshold all 7.5 vdc turn-off threshold all 7.04 vdc hysteresis all 0.46 vdc
preliminary data sheet october 28, 2010 9-36v prolynx tm 5a: non-isolated dc-dc power modules 9 ? 36vdc input; 3vdc to 18vdc ou tput; 5a to 2.5a output current lineage power 6 characteristic curves the following figures provide typical characteristics for the 9-36v microtlynx tm 5a at 3.3vo and at 25 o c. efficiency, (%) output current, io (a) output current, i o (a) ambient temperature, t a o c figure 1. converter efficiency versus output current. figure 2. derating output current versus ambient temperature and airflow. output voltage v o (v) (40mv/div) output current output voltage i o (a) (2adiv) v o (v) (20mv/div) time, t (20 s/div) time, t (20 s /div) figure 3. typical output ripple and noise (v in = 28v, i o = i o,max ). figure 4. transient response to dynamic load change from 50% to 100% at 28vin, cext - 10uf ceramic + 330uf polymer, ctune=10nf & rtune=150 ? output voltage on/off voltage v o (v) (1v/div) v on/off (v) (5v/div) output voltage input voltage v o (v) (1v/div) v in (v) (20v/div) time, t (5ms/div) time, t (5ms/div) figure 5. typical start-up using on/off voltage (i o = i o,max ). figure 6. typical start-up using input voltage (v in = 28v, i o = i o,max ). 70 75 80 85 90 95 012345 vin=36v vin=28v vin=12v vin=9v
preliminary data sheet october 28, 2010 9-36v prolynx tm 5a: non-isolated dc-dc power modules 9 ? 36vdc input; 3vdc to 18vdc outp ut; 5a to 2.5a output current lineage power 7 characteristic curves the following figures provide typical characteristics for the 9-36v prolynx tm 5a at 5vo and at 25 o c. efficiency, (%) output current, io (a) output current, i o (a) ambient temperature, t a o c figure 7. converter efficiency versus output current. figure 8. derating output current versus ambient temperature and airflow. output voltage v o (v) (40mv/div) output current, output voltage i o (a) (2adiv) v o (v) (20mv/div) time, t (20 s/div) time, t (20 s /div) figure 9. typical output ripple and noise (v in = 28v, i o = i o,max ). figure 10. transient response to dynamic load change from 50% to 100% at 28vin, cext - 10uf ceramic + 330uf polymer, ctune=10nf & rtune = 150 ? output voltage on/off voltage v o (v) (2v/div) v on/off (v) (5v/div) output voltage input voltage v o (v) (2v/div) v in (v) (20v/div) time, t (5ms/div) time, t (5ms/div) figure 10. typical start-up using on/off voltage (i o = i o,max ). figure 11. typical start-up using input voltage (v in = 28v, i o = i o,max ). 70 75 80 85 90 95 100 012345 vin=36v vin=28v vin=12v vin=9v
preliminary data sheet october 28, 2010 9-36v prolynx tm 5a: non-isolated dc-dc power modules 9 ? 36vdc input; 3vdc to 18vdc ou tput; 5a to 2.5a output current lineage power 8 characteristic curves the following figures provide typical characteristics for the 9-36v prolynx tm 5a at 12vo and at 25 o c. efficiency, (%) output current, io (a) output current, i o (a) ambient temperature, t a o c figure 12. converter efficiency versus output current. figure 13. derating output current versus ambient temperature and airflow. output voltage v o (v) (40mv/div) output current, output voltage i o (a) (2adiv) v o (v) (100mv/div) time, t (20 s/div) time, t (20 s /div) figure 14. typical output ripple and noise (v in = 28v, i o = i o,max ). figure 15. transient response to dynamic load change from 50% to 100% at 28vin, cext - 3x10uf ceramic, ctune=470pf & rtune=150 ? output voltage on/off voltage v o (v) (5v/div) v on/off (v) (5v/div) output voltage input voltage v o (v) (5v/div) v in (v) (20v/div) time, t (5ms/div) time, t (5ms/div) figure 16. typical start-up using on/off voltage (i o = i o,max ). figure 17. typical start-up using input voltage (v in = 28v, i o = i o,max ). 70 75 80 85 90 95 100 0 0.5 1 1.5 2 2.5 3 3.5 vin=36v vin=28v vin=18v
preliminary data sheet october 28, 2010 9-36v prolynx tm 5a: non-isolated dc-dc power modules 9 ? 36vdc input; 3vdc to 18vdc outp ut; 5a to 2.5a output current lineage power 9 characteristic curves the following figures provide typical characteristics for the 9-36v prolynx tm 5a at 18vo and at 25 o c. efficiency, (%) output current, io (a) output current, i o (a) ambient temperature, t a o c figure 18. converter efficiency versus output current. figure 19. derating output current versus ambient temperature and airflow. output voltage v o (v) (40mv/div) output current, output voltage i o (a) (2adiv) v o (v) (200mv/div) time, t (20 s/div) time, t (20 s /div) figure 20. typical output ripple and noise (v in = 28v, i o = i o,max ). figure 21. transient response to dynamic load change from 50% to 100% at 28vin, cext - 1x10uf ceramic, ctune=150pf & rtune=220 ? output voltage on/off voltage v o (v) (5v/div) v on/off (v) (5v/div) output voltage input voltage v o (v) (5v/div) v in (v) (20v/div) time, t (5ms/div) time, t (5ms/div) figure 22. typical start-up using on/off voltage (i o = i o,max ). figure 23. typical start-up using input voltage (v in = 28v, i o = i o,max ). 70 75 80 85 90 95 100 0 0.5 1 1.5 2 2.5 3 vin=36v vin=28v vin=24v
preliminary data sheet october 28, 2010 9-36v prolynx tm 5a: non-isolated dc-dc power modules 9 ? 36vdc input; 3vdc to 18vdc ou tput; 5a to 2.5a output current lineage power 10 test configurations to oscilloscope current probe l test 1 h battery c s 1000 f electrolytic e.s.r.<0.1 @ 20c 100khz 2x100 f tantalum v in (+) com note: measure input reflected ripple current with a simulated source inductance (l test ) of 1 h. capacitor c s offsets possible battery impedance. measure current as shown above. c in figure 25. input reflected ripple current test setup. note: all voltage measurements to be taken at the module terminals, as shown above. if sockets are used then kelvin connections are required at the module terminals to avoid measurement errors due to socket contact resistance. vo+ com 0.1uf resistive load scope u sing bnc socket copper strip ground plane 10uf figure 26. output ripple and noise test setup. v o com v in (+) com r load r contact r distribution r contact r distribution r contact r contact r distribution r distribution v in v o note: all voltage measurements to be taken at the module terminals, as shown above. if sockets are used then kelvin connections are required at the module terminals to avoid measurement errors due to socket contact resistance. figure 27. output voltage and efficiency test setup. = v o . i o v in . i in x 100 % efficiency design considerations input filtering the 9-36v prolynx tm module should be connected to a low ac-impedance source. a highly inductive source can affect the stability of the module. an input capacitance must be placed directly adjacent to the input pin of the module, to minimize input ripple voltage and ensure module stability. to minimize input voltage ripple, ceramic capacitors are recommended at the input of the module. figure 28 shows the input ripple voltage for various output voltages at maximum load current with 2x10 f or 3x10 f ceramic capacitors and an input of 12v, while fig. 29 shows the input ripple for an input voltage of 28v. input ripple voltage (mvp-p) output voltage (vdc) figure 28. input ripple voltage for various output voltages with 2x10 f or 3x10 f ceramic capacitors at the input (maximum load). input voltage is 12v. input ripple voltage (mvp-p) output voltage (vdc) figure 29. input ripple voltage for various output voltages with 2x10 f or 3x10 f ceramic capacitors at the input (maximum load). input voltage is 28v. 100 125 150 175 200 225 250 345678 2x10uf 3x10uf 100 125 150 175 200 225 250 275 3 5 7 9 11 13 15 17 2x10uf 3x10uf
preliminary data sheet october 28, 2010 9-36v prolynx tm 5a: non-isolated dc-dc power modules 9 ? 36vdc input; 3vdc to 18vdc output; 5a to 2.5a output current lineage power 11 output filtering the 9-36v prolynx tm modules are designed for low output ripple voltage and will meet the maximum output ripple specification with 0.1 f ceramic and 10 f ceramic capacitors at the output of the module. however, additional output filtering may be required by the system designer for a number of reasons. first, there may be a need to further reduce the output ripple and noise of the module. second, the dynamic response characteristics may need to be customized to a particular load step change. to reduce the output ripple and improve the dynamic response to a step load change, additional capacitance at the output can be used. low esr polymer and ceramic capacitors are recommended to improve the dynamic response of the module. figures 30 and 31 provide output ripple information for different external capacitance values at various vo and for full load currents. for stable operation of the module, limit the capacitance to less than the maximum output capacitance as specified in the electrical specification table. optimal performance of the module can be achieved by using the tunable loop tm feature described later in this data sheet. figure 30. output ripple voltage for various output voltages with external 1x10 f, 2x10 f or 4x10 f ceramic capacitors at the output (max. load). input voltage is 12v. figure 31. output ripple voltage for various output voltages with external 1x10 f, 2x10 f or 4x10 f ceramic capacitors at the output (max. load). input voltage is 28v. 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, i.e., ul 60950-1, csa c22.2 no. 60950-1-03, and vde 0850:2001-12 (en60950-1) licensed. 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 fast- acting fuse with a maximum rating of 8a in the positive input lead . 10 20 30 40 50 345678 ripple(mvp-p) output voltage(volts) 1x10uf 2x10uf 4x10uf 10 30 50 70 90 110 130 150 170 24681012141618 ripple(mvp-p) output voltage(volts) 1x10uf 2x10uf 4x10uf
preliminary data sheet october 28, 2010 9-36v prolynx tm 5a: non-isolated dc-dc power modules 9 ? 36vdc input; 3vdc to 18vdc out put; 5a to 2.5a output current lineage power 12 feature descriptions remote enable the 9-36v prolynx tm modules feature an on/off pin for remote on/off operation. two on/off logic options are available. in the positive logic on/off option, (device code suffix ?4? ? see ordering information), the module turns on during a logic high on the on/off pin and turns off during a logic low. with the negative logic on/off option, (no device code suffix, see ordering information), the module turns off during logic high and on during logic low. the on/off signal is always referenced to ground. for positive logic modules, the circuit configuration for using the on/off pin is shown in figure 32. when the external transistor q1 is in the off state, the on/off pin is pulled high and transistor q2 is off leading to q3 also being off which turns the module on. the external resistor r pullup (100k recommended) must be sized so that v on/off is never more than 12v when q1 is off. in particular, if v pullup is made the same as the input voltage vin, the resistor r pullup must be large enough so that v on/off is never more than 12v. for negative logic on/off modules, the circuit configuration is shown in fig. 33. when the external transistor q1 is in the on state, the on/off pin is pulled low causing transistor q2 to be off and the module to be turned on. to turn the module off, q1 is turned off, causing the on/off pin to be pulled high turing q2 on and the module to be turned off. leaving the on/off pin floating will leave the module in an off state. figure 32. circuit configuration for using positive on/off logic. figure 33. circuit configuration for using negative on/off logic. overcurrent protection to provide protection in a fault (output overload) condition, the unit is equipped with internal current-limiting circuitry and can endure current limiting continuously. at the point of current-limit inception, the unit enters hiccup mode. the unit operates normally once the output current is brought back into its specified range. the 9-36v prolynx modules employ an innovative, patent pending, ?autolimit? capability. this results in automatic scaling of current limit with output voltage through an inverse relationship of the current limit threshold with the output voltage. this feature shown graphically in fig. 34, allows higher output currents to be drawn from the module at lower output voltages thereby optimizing the power delivery capability of the module. figure 34. graph showing maximum output current capability at different output voltages. over temperature protection to provide protection in a fault condition, the unit is equipped with a thermal shutdown circuit. the unit will shutdown if the overtemperature threshold of 130 o c is exceeded at the thermal reference point t ref. the thermal shutdown is not intended as a guarantee that the unit will survive temperatures beyond its rating. 22k gnd css i q2 42k +5v q3 vpullup on/off v + pwm enable q1 _ on/off 22k rpullup on/off module 22k d2 q1 rpullup mod u le on/off d1 22k on/off q2 22k on/off vin+ pwm enable gnd i +5v css 22k _ + v 22k 2 2.5 3 3.5 4 4.5 5 5.5 3456789101112131415161718 output current (a) output voltage (v)
preliminary data sheet october 28, 2010 9-36v prolynx tm 5a: non-isolated dc-dc power modules 9 ? 36vdc input; 3vdc to 18vdc output; 5a to 2.5a output current lineage power 13 once the unit goes into thermal shutdown it will then wait to cool before attempting to restart. input undervoltage lockout at input voltages below the input undervoltage lockout limit, the module operation is disabled. the module will begin to operate at an input voltage above the undervoltage lockout turn-on threshold. output voltage programming the output voltage of the 9-36v prolynx tm module can be programmed to any voltage from 3vdc to 18vdc by connecting a resistor between the trim and gnd pins of the module. 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 fig. 35. without an external resistor between trim and gnd pins, the output of the module will be 0.7vdc. to calculate the value of the trim resistor, rtrim for a desired output voltage, use the following equation: () ? ? ? ? ? ? ? = k vo rtrim 7 . 0 70 rtrim is the external resistor in k ? , and vo is the desired output voltage. figure 35. output voltage vs. input voltage set point area plot showing limits where the output voltage can be set for different input voltages. table 1 provides rtrim values required for some common output voltages. table 1 v o , set (v) rtrim ( k ? ) 3.3 26.92 5 16.27 6 13.20 9 8.43 12 6.19 15 4.89 18 4.04 by using a 0.5% tolerance trim resistor with a tc of 100ppm, a set point tolerance of 1.5% can be achieved as specified in the electrical specification. remote sense the 9-36v prolynx tm power modules have a remote sense feature to minimize the effects of distribution losses by regulating the voltage between the vs+ and vo pin. the voltage between the vs+ pin and vo pin should not exceed 0.5v. v o (+ ) trim gnd r trim load v in (+) on/off vs+ figure 36. circuit configuration for programming output voltage using an external resistor. voltage margining output voltage margining can be implemented in the 9- 36v prolynx tm 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 , from the trim pin to output pin for margining-down. figure 37 shows the circuit configuration for output voltage margining. the pol programming tool, available at www.lineagepower.com under the design tools section, also calculates the values of r margin-up and r margin-down for a specific output voltage and % margin please consult your local lineage power technical representative for additional details. figure 37. circuit configuration for margining output voltage 5 10 15 20 25 30 35 40 2 4 6 8 10 12 14 16 18 input voltage (v) output voltage (v) lower limit upper limit vo module gnd trim q1 rtrim rmargin-up q2 rmargin-down
preliminary data sheet october 28, 2010 9-36v prolynx tm 5a: non-isolated dc-dc power modules 9 ? 36vdc input; 3vdc to 18vdc out put; 5a to 2.5a output current lineage power 14 tunable loop tm the 9-36v prolynx tm modules have a new feature that optimizes transient response of the module called tunable loop tm . external capacitors are usually added to the output of the module for two reasons: to reduce output ripple and noise (see figs 30 and 31) and to reduce output voltage deviations from the steady-state value in the presence of dynamic load current changes. adding external capacitance however affects the voltage control loop of the module, typically causing the loop to slow down with sluggish response. larger values of external capacitance could also cause the module to become unstable. the tunable loop tm allows the user to externally adjust the voltage control loop to match the filter network connected to the output of the module. the tunable loop tm is implemented by connecting a series r-c between the sense and trim pins of the module, as shown in fig. 38. this r-c allows the user to externally adjust the voltage loop feedback compensation of the module. recommended values of r tune and c tune for different output capacitor combinations are given in tables 2, 3 and 4. tables 2 and 3 show recommended values of r tune and c tune for different values of ceramic output capacitors up to 100 f that might be needed for an application to meet output ripple and noise requirements. selecting r tune and c tune according to tables 2 and 3 will ensure stable operation of the module in applications with tight output voltage limits in the presence of dynamic current loading, additional output capacitance will be required. table 4 lists recommended values of r tune and c tune in order to meet 2% output voltage deviation limits for some common output voltages in the presence of a 50% of full load step change with an input voltage of 12 or 28v. figure. 38. circuit diagram showing connection of r tume and c tune to tune the control loop of the module. please contact your lineage power technical representative to obtain more details of this feature as well as for guidelines on how to select the right value of external r-c to tune the module for best transient performance and stable operation for other output capacitance values or input voltages other than 12 / 28v. table 2. general recommended values of of r tune and c tune for vin=12v and various external ceramic capacitor combinations. vo=5v co 1x10 330 330 220 150 150 c tune 1000pf 1500pf 2200pf 3300pf 4700pf table 3. general recommended values of of r tune and c tune for vin=28v and various external ceramic capacitor combinations. vo=5v co 1x10 330 220 220 150 150 c tune 220pf 390pf 680pf 1000pf 1800pf vo=12v co 1x10 330 220 220 150 150 c tune 150pf 220pf 470pf 1000pf 1500pf table 4. recommended values of r tune and c tune to obtain transient deviation of 2% of vout for a 50% of full load step. vin 12v 28v vo 3.3v 5v 3.3v 5v 12v 18v 1x330 f polymer 1x330 f polymer 1x330 f polymer 1x330 f polymer 3x10 f1x10 f r tune 150 150 150 150 150 220 c tune 22nf 22nf 10nf 10nf 470pf 150pf v 36mv 28mv 31mv 25mv 222mv 240mv module vout sense trim gnd rtune ctune rtrim c o
preliminary data sheet october 28, 2010 9-36v prolynx tm 5a: non-isolated dc-dc power modules 9 ? 36vdc input; 3vdc to 18vdc ou tput; 5a to 2.5a output current lineage power 15 thermal considerations power modules operate in a variety of thermal environments; however, sufficient cooling should always be provided to help ensure reliable operation. considerations include ambient temperature, airflow, module power dissipation, and the need for increased reliability. a reduction in the operating temperature of the module will result in an increase in reliability. the thermal data presented here is based on physical measurements taken in a wind tunnel. the test set-up is shown in figure 39. the preferred airflow direction for the module is in figure 40. the derating data applies to airflow in either direction of the module?s short axis. a i r flow x power module wind tunnel pwbs 12.7_ (0.50) 76.2_ (3.0) probe location for measuring airflow and ambient temperature 25.4_ (1.0) figure 39. thermal test setup. the thermal reference points, t ref used in the specifications are also shown in figure 40. for reliable operation the temperatures at these points should not exceed 115 o c. the output power of the module should not exceed the rated power of the module (vo,set x io,max). please refer to the application note ?thermal characterization process for open-frame board- mounted power modules? for a detailed discussion of thermal aspects including maximum device temperatures. figure 40. preferred airflow direction and location of hot-spot of the module (tref).
preliminary data sheet october 28, 2010 9-36v prolynx tm 5a: non-isolated dc-dc power modules 9 ? 36vdc input; 3vdc to 18vdc output; 5a to 2.5a output current lineage power 16 example application circuit requirements: vin: 28v vout: 12v iout: 2.6a max., worst case load transient is from 1.75a to 2.6a vout: 1.5% of vout (180mv) for worst case load transient vin, ripple 1.5% of vin (420mv, p-p) ci1 2 x 10 f/50v ceramic capacitor (e.g. murata grm32er71h106k) ci2 47 f/16v bulk electrolytic co1 2 x 10 f/25v ceramic capacitor (e.g. murata gcm32er71e106ka42) co2 na ctune 470pf ceramic capacitor (can be 1206, 0805 or 0603 size) rtune 150 ohms smt resistor (can be 1206, 0805 or 0603 size) rtrim 6.19k resistor sense ci1 vout trim co1 gnd rtune vin vin+ vout+ 100k on/off rtrim + ci2 q1 + co2 ctune module
preliminary data sheet october 28, 2010 9-36v prolynx tm 5a: non-isolated dc-dc power modules 9 ? 36vdc input; 3vdc to 18vdc ou tput; 5a to 2.5a output current lineage power 17 mechanical outline dimensions are in millimeters and (inches). tolerances: x.x mm 0.5 mm (x.xx in. 0.02 in.) [unless otherwise indicated] x.xx mm 0.25 mm (x.xxx in 0.010 in.) side view top view
preliminary data sheet october 28, 2010 9-36v prolynx tm 5a: non-isolated dc-dc power modules 9 ? 36vdc input; 3vdc to 18vdc out put; 5a to 2.5a output current lineage power 18 recommended pad layout dimensions are in millimeters and (inches). tolerances: x.x mm 0.5 mm (x.xx in. 0.02 in.) [unless otherwise indicated] x.xx mm 0.25 mm (x.xxx in 0.010 in.) pin function 1 on/off 2 vin 3 gnd 4 trim 5 vout 6 vs+
preliminary data sheet october 28, 2010 9-36v prolynx tm 5a: non-isolated dc-dc power modules 9 ? 36vdc input; 3vdc to 18vdc ou tput; 5a to 2.5a output current lineage power 19 packaging details the 9-36v prolynx tm modules are supplied in tape & reel as standard. modules are shipped in quantities of 250 modules per reel. all dimensions are in millimeters and (in inches). reel dimensions: outside dimensions: 330.2 mm (13.00) inside dimensions: 177.8 mm (7.00?) tape width: 44.00 mm (1.732?)
preliminary data sheet october 28, 2010 9-36v prolynx tm 5a: non-isolated dc-dc power modules 9 ? 36vdc input; 3vdc to 18vdc out put; 5a to 2.5a output current lineage power 20 surface mount information pick and place the 9-36v prolynx tm modules use an open frame construction and are designed for a fully automated assembly process. the modules are fitted with a label designed to provide a large surface area for pick and place operations. the label meets all the requirements for surface mount processing, as well as safety standards, and is able to withstand reflow temperatures of up to 300 o c. the label also carries product information such as product code, serial number and the location of manufacture. nozzle recommendations the module weight has been kept to a minimum by using open frame construction. variables such as nozzle size, tip style, vacuum pressure and placement speed should be considered to optimize this process. the minimum recommended inside nozzle diameter for reliable operation is 3mm. the maximum nozzle outer diameter, which will safely fit within the allowable component spacing, is 7 mm. lead free soldering the 9-36v prolynx tm modules are lead-free (pb-free) and rohs compliant and fully compatible in a pb-free soldering process. 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 (moisture/reflow sensitivity classification for nonhermetic solid state surface mount devices) for both pb-free solder profiles and msl classification procedures. this standard provides 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 solder is shown in fig. 41. soldering outside of the recommended profile requires testing to verify results and performance. msl rating the 9-36v prolynx tm modules have a msl rating of 2. storage and handling the recommended storage environment and handling procedures 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 packages should not be broken until time of use. once the original package is broken, the floor 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. figure 41. recommended linear reflow profile using sn/ag/cu solder. post solder cleaning and drying considerations post solder cleaning is usually the final circuit-board assembly 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 circuit-board assembly. for guidance on appropriate soldering, cleaning and drying procedures, refer to board mounted power modules: soldering and cleaning application note (an04-001). per j-std-020 rev. c 0 50 100 150 200 250 300 reflow time (seconds) reflow temp (c) heating zone 1c/second peak temp 260c * min. time above 235c 15 seconds *time above 217c 60 seconds cooling zone
preliminary data sheet october 28, 2010 9-36v prolynx tm 5a: non-isolated dc-dc power modules 9 ? 36vdc input; 3vdc to 18vdc output; 5a to 2.5a output current lineage power 21 document no: ds09-009 ver. 0.98 pdf name: apxw005a0x_ds.pdf ordering information please contact your lineage power sales representative for pricing, availability and optional features. table 5. device codes device code input voltage range output voltage output current on/off logic connector type comcodes APXW005A0X3-SRZ 9 ? 36vdc 3 ? 18vdc 5a ? 2.5a negative smt cc109151916 apxw005a0x43-srz positi ve smt cc109151908 table 6. coding scheme tlynx family sequencing feature. input voltage range output current output voltage on/off logic remote sense options rohs compliance ap x w 005 x 4 3 -sr z x = w/o seq. w = 9 - 36v 5a x = programmable output 4 = positive no entry = negative available s = surface mount r = tape&reel z = rohs6 world wide headquarters lineage power corporation 601 shiloh road, plano, tx 75074, usa +1-888-lineage(546-3243) (outside u.s.a.: +1-972-244-watt(9288) ) www.lineagepower.com e-mail: techsupport1@lineagepower.com asia-pacific headquarters tel: +86.021.54279977*808 europe, middle-east and africa headquarters tel: +49.89.878067-280 india headquarters tel: +91.80.28411633 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 a pplication. 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 . ? 2010 lineage power corporation, (plano, texas) all international rights reserved.

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