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yv09t60 60a dc-dc pol converter 5v to 13.8v input ? 0.6v to 3.63v output data sheet zd-01724 rev 3.3, 30-aug-10 www.power-one.com page 1 of 14 member of the family applications ? low voltage, high density systems with intermediate bus architectures (iba) ? point-of-load regulators for high performance dsp, fpga, asic, and microprocessors ? desktops, servers, and portable computing ? broadband, networking, optical, and communications systems benefits ? one part that covers many applications ? reduces board space, system cost and complexity, and time to market features ? rohs lead free and lead-solder-exempt products are available ? high efficiency multiphase synchronous buck topology ? low noise fixed frequency operation ? wide input voltage range: 5v?13.8v ? high continuous output current: 60a ? programmable output voltage range: 0.6v?3.63v ? overcurrent, output overvoltage, and overtemperature protections with automatic restart ? remote differential output voltage sense ? power good signal ? enable input ? start up into prebiased load ? no minimum load requirements ? high mtbf of 40.4mhrs ? industry standard size through-hole single-in-line package and pinout ? 2.58?x0.628? (65.5 x 16mm) ? low height of 1.25? (31.8mm) ? wide operating temperature range: 0 to 70oc ? ul94 v-0 flammability rating ? ul60950, csa c22.2 no. 60950-00, and tuv en60950-1:2001 description power-one?s point-of-load converters are recommended for use with regulated bus converters in an intermediate bus architecture (iba). the yv09t60 non-isolated dc-dc point of load (pol) converter delivers up to 60a of output current in an industry-standard single-in-line (s ip) through-hole package. the yv09t60 pol converter is an ideal choice for intermediate bus architectures where point of load conversion is a requirement. operating from a 5-13.8v input the pol converter provides an extr emely tightly regulated programmable output voltage of 0.6 v to 3.63v. the pol converters offer exceptio nal thermal performance, even in high temperature environments with minimal airflow. this performance is accomplished through the use of advanced circuit solutions, packaging and processing techniques. the resu lting design possesses ultra-high efficiency, excellent thermal management, and a slim body profile that minimize s impedance to system airflow, thus enhancing cooling for both upstream and downstream devices . the use of automation for asse mbly, coupled with advanced power electronics and thermal design, results in a product with extremely high reliability.
yv09t60 60a dc-dc pol converter 5v to 13.8v input ? 0.6v to 3.63v output data sheet zd-01724 rev 3.3, 30-aug-10 www.power-one.com page 2 of 14 1. ordering information y v 09 t 60 ? 0 x z product family profile input voltage pcb mounting output current dash on/off logic output voltage range rohs compliance pol converter vertical 5v to 13.8v through- hole 60a positive logic no suffix ? 0.6 to 1.98v e ? 0.6 to 3.63v no suffix - rohs compliant with pb solder exemption 1 g - rohs compliant for all six substances ______________________________________ 1 the solder exemption refers to all the restricted materials exc ept lead in solder. these materials are cadmium (cd), hexavalen t chromium (cr6+), mercury (hg), polybrominated biphenyls (pbb), polybromi nated diphenylethers (pbde), and lead (pb) used anywhere except in solder. example: yv09t60-0g : yv09t60 pol converter with positive on/off logic, 0.6 to 1.98v output voltage range, and lead-free solder. refer to figure 1 for label marking information. figure 1. label drawing 2. absolute maximum ratings stresses in excess of the absolute maximum ratings ma y cause performance degradation, adversely affect long- term reliability, and cause permanent damage to the converter. parameter conditions/description min max units input voltage continuous -0.3 15 vdc ambient temperature range operating 0 70 ? c storage temperature (ts) -55 125 ? c 3. environmental and mechanical specifications parameter conditions/description min nom max units weight 36 grams mtbf calculated per telcordia technologies sr-332 40.4 mhrs lead plating 100% matte tin
yv09t60 60a dc-dc pol converter 5v to 13.8v input ? 0.6v to 3.63v output data sheet zd-01724 rev 3.3, 30-aug-10 www.power-one.com page 3 of 14 4. electrical specifications specifications apply at the input voltage from 5v to 13.8 v, output load from 0 to 60a, output voltage from 0.6v to 3.63v, a 470 ? f output capacitor, and ambient temperatur e from 0c to 70c unless otherwise noted. 4.1 input specifications parameter conditions/description min nom max units input voltage (v in ) v out 0.55*v in 5 12 13.8 vdc undervoltage lockout turn on threshold input voltage ramping up 4.25 4.4 4.6 vdc undervoltage lockout turn off threshold input voltage ramping down 3.75 3.9 4.1 vdc input current v in =7v, v out 3.3v, i out = i out max v in =5v, v out =1.5v, i out = i out max 32 20 adc adc standby input current v in =12v, pol is disabled via on/off 20 madc input reflected ripple current peak-to-peak bw=5mhz to 20mhz, l source =1h, see figure 29 for setup 50 ma 4.2 output specifications parameter conditions/description min nom max units output voltage range (v out ) yv09t60-0e programmable with a resistor between trim+ and trim- pins v out 0.55*v in 0.6 3.63 vdc output voltage range (v out ) yv09t60-0 programmable with a resistor between trim+ and trim- pins 0.6 1.98 vdc output voltage setpoint accuracy, v out 1v v in =12v, i out =i out max , 0.1% trim resistor, room temperature -0.8 0.8 %v out output voltage setpoint accuracy, v out <1v v in =12v, i out =i out max , 0.1% trim resistor, room temperature -7 7 mvdc line regulation, v out 2.5v v in min to v in max 0.3 %v out load regulation, v out 2.5v 0 to i out max 0.3 %v out line regulation, v out <2.5v v in min to v in max 9 mvdc load regulation, v out <2.5v 0 to i out max 12 mvdc output voltage regulation over operating input voltage, resistive load, and temperature conditions until the end of life -1.1 1.1 %v out output voltage peak-to-peak ripple and noise, bw=20mhz, full load v in =12v, v out =0.6v v in =12v, v out =1.5v v in =12v, v out =3.3v 10 10 20 mv mv mv dynamic regulation peak deviation settling time 0 - 50% load step, slew rate 10a/ ? ? s
yv09t60 60a dc-dc pol converter 5v to 13.8v input ? 0.6v to 3.63v output data sheet zd-01724 rev 3.3, 30-aug-10 www.power-one.com page 4 of 14 parameter conditions/description min nom max units efficiency v in =12v full load room temperature v out =0.6v v out =0.8v v out =1.0v v out =1.2v v out =1.5v v out =1.8v v out =2.5v v out =3.3v 77.6 82.5 85.2 87 89 90.5 92.5 93.7 % % % % % % % % output current (i out ) v in min to v in max 0 60 adc turn-on delay time 1 pol is enabled on/off pin is floating from v in =v in min to v out =0.1*v out.set 1 2 ms turn-on delay time 1 pol is disabled v in =12v from on/off pin changing its state from low to high until v out =0.1*v out.set 0.5 1 ms rise time 1 c out =0 f, resistive load from v out =0.1*v out.set to v out =0.9*v out.set 2 3 ms admissible output capacitance i out =i out max , resistive load, esr>3m ? 5,000 f switching frequency 3 phases combined 945 khz duty cycle 55 % __________________________ 1 total start-up time is the sum of the turn-on delay time and the rise time 4.3 protection specifications parameter conditions/description min nom max units output overcurrent protection type auto-restart inception point 105 130 150 %i out output short circuit current (rms value) r out <0.01 ? 6 a output overvoltage protection type auto-restart threshold i out =i out max , room temperature 120 125 130 %v o.set overtemperature protection type auto-restart turn off threshold temperature is increasing 125 ? c turn on threshold temperature is decreasing after the pol was shut down by otp 115 ? c power good signal (pwrgood pin) logic v out is inside the pg window v out is outside the pg window high low n/a low output voltage i sink =4ma 0.5 vdc high output voltage external pull-up 2.4 5.25 vdc
yv09t60 60a dc-dc pol converter 5v to 13.8v input ? 0.6v to 3.63v output data sheet zd-01724 rev 3.3, 30-aug-10 www.power-one.com page 5 of 14 4.4 feature specifications parameter conditions/description min nom max units enable (on/off pin) on/off logic positive (enables the output when on/off pin is open) n/a on/off high input voltage pol is on 2.4 v in.max vdc on/off high input current pol is on 0.5 madc on/off low input voltage pol is off -0.3 1.2 vdc on/off low input current pol is off 0.12 madc remote voltage sense (+vs and ?vs pins) voltage drop compensation 1 500 mv 1 the output voltage measured directly between vout and gnd pins shall never exceed 3.63v
yv09t60 60a dc-dc pol converter 5v to 13.8v input ? 0.6v to 3.63v output data sheet zd-01724 rev 3.3, 30-aug-10 www.power-one.com page 6 of 14 5. typical performance characteristics 5.1 efficiency curves 55 60 65 70 75 80 85 90 0 102030405060 load current, a efficiency, % vin=5v vin=9.6v vin=12v vin=13.8v figure 2. efficiency vs. load. vout=-0.6v 70 75 80 85 90 95 0 102030405060 load current, a efficiency, % vin=5v vin=9.6v vin=12v vin=13.8v figure 3. efficiency vs. load. vout=1.2v 75 80 85 90 95 0 102030405060 load current, a efficiency, % vin=5v vin=9.6v vin=12v vin=13.8v figure 4. efficiency vs. load. vout=1.5v 75 80 85 90 95 0 102030405060 load current, a efficiency, % vin=5v vin=9.6v vin=12v vin=13.8v figure 5. efficiency vs. load. vout=1.8v 80 85 90 95 100 0 102030405060 load current, a efficiency, % vin=5v vin=9.6v vin=12v vin=13.8v figure 6. efficiency vs. load. vout=2.5v 80 85 90 95 0 102030405060 load current, a efficiency, % vin=9.6v vin=12v vin=13.8v figure 7. efficiency vs. load. vout=3.3v
yv09t60 60a dc-dc pol converter 5v to 13.8v input ? 0.6v to 3.63v output data sheet zd-01724 rev 3.3, 30-aug-10 www.power-one.com page 7 of 14 5.2 power dissipation curves 0 2 4 6 8 10 12 14 0 102030405060 load current, a power dissipation, w vin=5v vin=9.6v vin=12v vin=13.8v figure 8. power dissipation vs. load. vout=0.6v 0 2 4 6 8 10 12 14 0 102030405060 load current, a power dissipation, w vin=5v vin=9.6v vin=12v vin=13.8v figure 9. power dissipation vs. load. vout=1.2v 0 2 4 6 8 10 12 14 0 102030405060 load current, a power dissipation, w vin=5v vin=9.6v vin=12v vin=13.8v figure 10. power dissipation vs. load. vout=1.5v 0 2 4 6 8 10 12 14 0 102030405060 load current, a power dissipation, w vin=5v vin=9.6v vin=12v vin=13.8v figure 11. power dissipation vs. load. vout=1.8v 0 2 4 6 8 10 12 14 0 102030405060 load current, a power dissipation, w vin=5v vin=9.6v vin=12v vin=13.8v figure 12. power dissipation vs. load. vout=2.5v 2 4 6 8 10 12 14 16 0 102030405060 load current, a power dissipation, w vin=9.6v vin=12v vin=13.8v figure 13. power dissipation vs. load. vout=3.3v
yv09t60 60a dc-dc pol converter 5v to 13.8v input ? 0.6v to 3.63v output data sheet zd-01724 rev 3.3, 30-aug-10 www.power-one.com page 8 of 14 5.3 turn-on characteristics figure 14. typical start-up using remote on/off (vo = 1.2 vdc, io=60a). ch1 ? vout, ch2 ? on/off, ch3 - iout figure 15. typical start-up using remote on/off (vo = 3.3 vdc, io=60a). ch1 ? vout, ch2 ? on/off, ch3 - iout figure 16. typical start-up with application of vin (vo = 1.2vdc, io = 60a). ch1 ? vout, ch2 ? vin, ch3 - iout figure 17. typical start-up with application of vin (vo = 3.3vdc, io = 60a). ch1 ? vout, ch2 ? vin, ch3 - iout
yv09t60 60a dc-dc pol converter 5v to 13.8v input ? 0.6v to 3.63v output data sheet zd-01724 rev 3.3, 30-aug-10 www.power-one.com page 9 of 14 5.4 transient response figure 18. transient response to dynamic load change from 0% to 50% of full load (vin=12v, vo=1.5v). ch1 ? vout, ch3 ? iout figure 19. transient response to dynamic load change from 0% to 50% of full load (vin=12v, vo=3.3v). ch1 ? vout, ch3 ? iout. 5.5 derating curves 45 50 55 60 20 30 40 50 60 70 ambient temperature, c load current, a 100 lfm (0.5 m/s) 200 lfm (1 m/s) 300 lfm (1.5 m/s) 400 lfm (2 m/s) 500 lfm (2.5 m/s) figure 20. derating output current versus local ambient temperature and airflow (vin =12.0v, vo=0.6v). 45 50 55 60 20 30 40 50 60 70 ambient temperature, c load current, a 100 lfm (0.5 m/s) 200 lfm (1 m/s) 300 lfm (1.5 m/s) 400 lfm (2 m/s) 500 lfm (2.5 m/s) figure 21. derating output current versus local ambient temperature and airflow (vin=12.0v, vo=1.2v). 45 50 55 60 20 30 40 50 60 70 ambient temperature, c load current, a 100 lfm (0.5 m/s) 200 lfm (1 m/s) 300 lfm (1.5 m/s) 400 lfm (2 m/s) 500 lfm (2.5 m/s) figure 22. derating output current versus local ambient temperature and airflow (vin=12.0v, vo=1.5v).
yv09t60 60a dc-dc pol converter 5v to 13.8v input ? 0.6v to 3.63v output data sheet zd-01724 rev 3.3, 30-aug-10 www.power-one.com page 10 of 14 45 50 55 60 20 30 40 50 60 70 ambient temperature, c load current, a 100 lfm (0.5 m/s) 200 lfm (1 m/s) 300 lfm (1.5 m/s) 400 lfm (2 m/s) 500 lfm (2.5 m/s) figure 23. derating output current versus local ambient temperature and airflow (vin=12.0v, vo=1.8v). 40 45 50 55 60 20 30 40 50 60 70 ambient temperature, c load current, a 100 lfm (0.5 m/s) 200 lfm (1 m/s) 300 lfm (1.5 m/s) 400 lfm (2 m/s) 500 lfm (2.5 m/s) figure 24. derating output current versus local ambient temperature and airflow (vin=12.0v, vo=2.5v). 40 45 50 55 60 20 30 40 50 60 70 ambient temperature, c load current, a 100 lfm (0.5 m/s) 200 lfm (1 m/s) 300 lfm (1.5 m/s) 400 lfm (2 m/s) 500 lfm (2.5 m/s) figure 25. derating output current versus local ambient temperature and airflow (vin=12.0v, vo=3.3v). 6. application information 6.1 input and output impedance the pol converter should be connected to the dc power source via low impedance. in many applications, the inductance associated with the distribution from the power so urce to the input of the converter can affect the st ability of the converter. internally, the converter includes 110 f (low esr ceramics) of input capacit ance which eliminates the need for external input capacitance. however, if the distribution of the input voltage to the pol converter contains high inductance, it is recommended to add a 150 f decoupling capacitor placed as close as possible to the converter input pins. a low-esr tantalum or pos capacitor connected across the input pins help ensuring stability of the pol converter and reduce input ripple voltage. a 470 f pos, tantalum, or ceramic output capacitor is recommended to improve output ripple and dynamic response. it is important to keep low resistance and low inductance of pcb traces for connecting load to the output pins of the converter in order to maintain good load regulation. 6.2 output voltage programming the output voltage can be programmed from 0.6v to 3.63v by connecting an external resistor r trim between trim+ pin (pin 1) and trim- pin (pin 5), as shown in figure 26. vin vin gnd on/off converter vout 3,7,8 12,13,14 15,16,18,20,22,24 9 yv-series power good 4 trim+ 1 sense+ 11 rload gnd 17,19,21,23 trim- 5 sense- 10 r trim figure 26. programming output voltage with a resistor the trim resistor r trim for a desired output voltage can be calculated using the following equation: , 6 . 0 2 . 1 ? ? out trim v r k ? where:
yv09t60 60a dc-dc pol converter 5v to 13.8v input ? 0.6v to 3.63v output data sheet zd-01724 rev 3.3, 30-aug-10 www.power-one.com page 11 of 14 r trim = required value of trim resistor in k ? v out = desired (trimmed) value of output voltage v if the r trim is not used and the sense+ and sense- pins are shorted to vout and gnd respectively, the output voltage of the pol converter will be 0.6v. no capacitor is allowed between trim+ and trim- pins. note that the trim resistor tolerance directly affects the output voltage accuracy. it is recommended to use 0.1% trim resistors to meet the output voltage setpoint accuracy specified in p. 4.2. table 1. trim resistor values v 0ut, v calculated r trim , k ? standard value of 0.1% resistor, k ? 0.6 open open 1.0 3.0 3.01 1.2 2.0 2.0 1.5 1.333 1.33 1.8 1.0 1.0 2.0 0.857 0.856 2.5 0.631 0.634 3.3 0.444 0.442 3.63 0.396 0.397 6.3 on/off (pin 9) the on/off pin is used to turn the pol converter on or off remotely by a signal from a system controller. for positive logic, the pol converter is on when the on/off pin is at a logic high (2.4v min) or left open. the pol converter is off when the on/off pin is at a logic low (1.2v max) or connected to gnd. the typical connections are shown in figure 27. vin control input vin gnd on/off converter vout 3,7,8 12,13,14 15,16,18,20,22,24 9 yv-series power good 4 trim+ 1 sense+ 11 rload gnd 17,19,21,23 trim- 5 sense- 10 figure 27. circuit configuration for on/off function the on/off pin is referenced to ground and typically has 50k ? input impedance. it has an internal 50k ? pull-up to 5v supply. it is recommended to control the on/off pin with an open collector transistor or similar device. 6.4 remote sense (pins 10 and 11) the remote sense feature compensates for the voltage drop between the output pins of the pol converter and the load. the sense- (pin 10) and sense+ (pin 11) pins should be connected at the load or at the point wher e regulation is required (refer to figure 28). if remote sensing is not required, the sense pins must be connected to the vout and gnd pins directly at the output of the pol converter. vin vin gnd on/off converter vout 3,7,8 12,13,14 15,16,18,20,22,24 9 yv-series power good 4 trim+ 1 sense+ 11 rload gnd 17,19,21,23 trim- 5 sense- 10 rw rw figure 28. remote sense circuit configuration because the sense leads carry minimal current, large traces on the end-user board are not required. the voltage sense traces should be located close to a ground plane to minimize system noise. when using remote sense, the output voltage at the converter can be increased by up to 0.5v in order to maintain the required voltage at the load. however, the maximum output voltage measured directly between the vout and gnd pins shall not exceed 3.63v. in addition it is the user?s responsibility to ensure the pol converter?s actual output power always remains at or below the maximum allowable output power obtained from the derating curves. 6.5 protections 6.5.1 power good power good pin (pin 4) is an open drain output, capable of sinking up to 4ma. the power good pin is high when the output voltage is within the regulation band. the power good pin is at logic low during start-up, undervoltage, overvoltage or overcurrent conditions, or when the pol converter is disabled via the on/off signal. 6.5.2 input undervoltage lockout the pol converter will s hut down when the input voltage drops below a predetermined voltage. it will
yv09t60 60a dc-dc pol converter 5v to 13.8v input ? 0.6v to 3.63v output data sheet zd-01724 rev 3.3, 30-aug-10 www.power-one.com page 12 of 14 start automatically when the input voltage exceeds the specified threshold. 6.5.3 output overcurrent protection the pol converter is protected against overcurrent and short circuit conditions. upon sensing an overcurrent condition, the pol converter will enter hiccup mode of operation. once the overload or short circuit condition is removed, the pol converter will automatically restart and vout will return to its nominal value. 6.5.4 output overvoltage protection the pol converter is protected against overvoltage on the output. if the output voltage is higher than 125% of its nominal value set by the r trim , the high side mosfets will be immediately turned off and the low side mosfets will be turned on. the pol converter will remain in the state until the output voltage reduces below 115% of its nominal value. at that point the pol converter will automatically restart. 7. characterization 7.1 ripple and noise the output voltage ripple and input reflected ripple current waveforms are measured using the test setup shown in figure 29. vout v source 470uf pos capacitor 1 h dc/dc converter 100uf t antalum + 47 f ceramic c in yv-series figure 29. test setup for measuring input reflected-ripple current and output voltage ripple 8. safety the yv09t60 pol converters do not provide isolation from input to output. the input devices powering yv09t60 must provide relevant isolation requirements according to all iec60950 based standards. nevertheless, if the system using the converter needs to receive safety agency approval, certain rules must be followed in the design of the system. in particular, all of the creepage and clearance requirements of the end-use safety requirements must be observed. these requirements are included in ul60950 - csa60950- 00 and en60950, although specific applications may have other or additional requirements. the yv09t60 pol converters have no internal fuse. if required, the external fuse needs to be provided to protect the converter from catastrophic failure. refer to the ?input fuse selection for dc/dc converters? application note on www.power-one.com for proper selection of the input fuse. both input traces and the chassis ground trace (if applicable) must be capable of conducting a current of 1.5 times the value of the fuse without opening. to comply with safety agencies? requirements, a recognized fuse must be used in series with the input line. the fuse must not be placed in the grounded input line. abnormal and component failure tests were conducted with the pol input protected by a fast-acting 45a, 32v fuse. if a fuse rated greater than 45a is used, additional testing may be required. the maximum dc voltage between any two pins is vin under all operating conditions. in order for the output of the yv09t60 pol converter to be considered as selv (safety extra low voltage), according to all iec60950 based standards, the input to the pol needs to be supplied by an isolated secondary source providing a selv also.
yv09t60 60a dc-dc pol converter 5v to 13.8v input ? 0.6v to 3.63v output data sheet zd-01724 rev 3.3, 30-aug-10 www.power-one.com page 13 of 14 9. pin assignments and description pin name pin number pin type buffer type pin description notes trim+ 1 i a output voltage trim connect a high accuracy resistor between trim+ and trim- pins to set the output voltage 2 no pin pwrgood 4 i/o pu power good open drain pin indicating status of the output voltage trim- 5 i/o a output voltage trim connect a high accuracy resistor between trim+ and trim- pins to set the output voltage nc 6 not used leave floating on/off 9 i pu enable pull high or leave floating to turn on the pol sense- 10 i a negative voltage sense connect to the negative point close to the load sense+ 11 i a positive voltage sense connec t to the positive point close to the load vout 15, 16, 18, 20, 22,24 p output voltage gnd 3, 7, 8, 17, 19, 21, 23 p power ground vin 12, 13, 14 p input voltage legend: i=input, o=output, i/o=input/output, p=power, a=analog, pu=internal pull-up
yv09t60 60a dc-dc pol converter 5v to 13.8v input ? 0.6v to 3.63v output data sheet zd-01724 rev 3.3, 30-aug-10 www.power-one.com page 14 of 14 10. mechanical drawings all dimensions are in inches tolerances: x.xx: ? 0.02? x.xxx: ? 0.01? figure 30. mechanical drawing figure 31. recommended footprint ? top view notes: 1. nuclear and medical applications - power-one products are not designed, intended for use in, or authorized for use as critic al components in life support systems, equipment used in hazardous envi ronments, or nuclear control systems without the express wr itten consent of the respecti ve divisional president of power-one, inc. 2. technical revisions - the appearance of products, including safety agency certifications pictured on labels, may change depe nding on the date manufactured. specifications are subject to change without notice.

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