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doc. no. mv-s102944-00, rev. - confidential page document classification: proprietary information not approved by document control ? for review only 88pl810/88pl815/88pl830 high current, adjustable 8 level ldo regulator advance datasheet, patent pending doc. no. mv-s102944-00, rev. d october 31, 2007 approved by document control
88pl810/88pl815/88pl830 high current, adjustable 8 level ldo regulator doc. no. mv-s102944-00, rev. d page document classification: proprietary information 2 document status advance information this document contains design specifications for in itial product development. specifications may change without notice. contact marvell field appl ication engineers for more information. preliminary information this document contains preliminary data, and a revision of this document will be published at a later date. specifications may change wi thout notice. contact marvell field app lication engineers for more information. final information this document contains specifications on a product that is final release. specifications may change without notice. contact marvell field application engineers for more information. revision code: rev. d advance technical publication: 1.1 disclaimer no part of this document may be reproduced or transmitted in any form or by any means, electronic or mechanical, including phot ocopying and recording, for any purpose, without the express written permission of marvell. marvell retains the right to make changes to this document at any time, without notice. marvell makes no warranty of any kind, expressed or implied, with regard to any information contained in this document, including, but not limited to, the implied warranties of merchantability or fitness for any particu lar purpose. further, marvell does not warrant the accuracy or completeness of the information, text, graphics, or other items contained within this document. marvell products are not designed for use in life-support equipment or applications that would cause a life-threatening situati on if any such products failed. do not use marvell products in these types of equipment or applications. with respect to the products described herein, the user or recipient, in the absence of appropriate u.s. government authorizati on, agrees: 1) not to re-export or release any such information consisting of technology, software or source code controlled for national s ecurity reasons by the u.s. export cont rol regulations ("ear"), to a national of ear country groups d:1 or e:2; 2) not to export the direct product of such technology or such software, to ear country groups d:1 or e:2, if such technology o r software and direct products thereof are controlled for national security reasons by the ear; and, 3) in the case of technology controlled for national security reasons under the ear where the direct product of the technology is a complete plant or component of a plant, not to export to ear country groups d:1 or e:2 the direct product of the plant or major component thereof, if such direct product is controlled for national security reasons by the ear, or is subj ect to controls under the u.s. munitions list ("usml"). at all times hereunder, the recipient of any such information agrees that they shall be deemed to have manually signed this doc ument in connection with their receipt of any such information. copyright ? 2005. marvell international ltd. all rights reserved. marvell, the marvell logo, moving forward faster, alaska, fas twriter, datacom systems on silicon, libertas, link street, netgx, phyadvantage, prestera, raising the technology bar, the technology within, virtual cable tester, and yukon are registered trade marks of marvell. ants, anyvoltage, discovery, dsp switcher, feroceon, galnet, galtis, horizon, marvell makes it all possible, radlan, unimac, and vct are trademarks of marvell. all other trademarks are the property of their respective owners.
doc. no. mv-s102944-00, rev. d page 3 document classification: proprietary information 88pl810/88pl815/88pl830 high current, adjustable ldo regulator description the 88pl810/88pl815/88pl830 devices are high current ultra-low- dropout linear (ldo) regulators, featuring up to 235 mv @ 3a dropout voltage and very low ground current. quiescent current is typically 1.5 ma and drops to 0.1 a in shutdown. the 88pl810/88pl815/88pl830 incorporate several features not commonly found in other ldo?s. the devices protect themselves from short circuit conditions by turning off and on (?hiccup?), thereby limiting temperature rise . in ?hot-swap? applications, no additional circuitry is required since the 88pl810/88pl815/88pl830 devices have an integrated ?soft start? mode. additionally, a unique output voltage programming technique is used requiring a single resistor (r vset ) to provide eight output voltage options. the 88pl830 device?s output voltage can be adjusted to 8 different levels between 2.4v and 2.75v (2% or 50 mv per step), for an input voltage range of 2.7v to 3.6v. this voltage is defined by the user with a single external resistor. the 88pl810 device is adjustable in 30 mv steps and the 88pl815 device is adjustable in 36 mv steps. the 88pl810/88pl815/88pl830 devices are stable with a 10 f ceramic output capacitor. however, any other type of capacitor up to 1000 f can be placed in parallel with it as long as the 10 f ceramic output capacitor is placed next to the 88pl810/88pl815/88pl830. the ?hiccup? short-circuit protection is a feature that is not common among other ldo?s. when the 88pl810/88pl815/88pl830 senses a prolong over-current condition, it shuts off for about 6 ms and then tries to start up again. this minimizes the thermal stress on the 88pl810/88pl815/88pl830 devices and reduces the current draw from the input supply in over-current situations. features ? 88pl810: 1.5v/1.0a ? 88pl815: 1.8v/1.5a ? 88pl830: 2.5v/3.0a ? ultra-low dropout (235 mv @ 3a typ.) ? input voltage range 2.7v to 3.6v ? one resistor sets the output voltage level ? fixed soft start ramp with any output capacitor up to 1000 f ? ?hiccup? short circuit protection ? stable with ceramic output capacitors ? adjustable 8 level, programmable output voltage in 2% steps ? logic controlled shutdown ? 0.1 a supply current in shutdown ? stable with 0a load current ? lead-free packages ? low profile dpak (t0-252) and qfn-5l packages ? -40c to +125c junction temperature range applications ? adjustable linear regulator for low-voltage digital ic ? pc add-in cards ? high efficiency linear power supplies ? portable communication devices ? backup power supplies ? 3.3v pci express bus vin vout vin 4 tab ep vset 1 vout 2 gnd 3 en 5 88pl830 10uf/6.3v 10uf/6.3v disable ena ble c2 c1 2.5v/3a 3.3v typical ldo regulator
88pl810/88pl815/88pl830 high current, adjustable 8 level ldo regulator doc. no. mv-s102944-00, rev. d page document classification: proprietary information 4 section 1. signal description 1.1 pin configuration tab (gnd) figure 1: dpak (left) a nd 5 x 5 mm qfn-5l ? top view table 1: product table part number output voltage output current 88pl830 2.40, 2.45, 2.50 1 , 2.55, 2.60, 2.65, 2.70, 2.75 3.0a 88pl815 1.728, 1.764, 1.80 , 1.836, 1.872, 1.908, 1.944, 1.980 1.5a 88pl810 1.44, 1.47, 1.50 , 1.53, 1.56, 1.59, 1.62, 1.65 1.0a 1 bold = if vset is tied to ground then the bold indicates the output voltage. 2 3 4 gnd vin vout 5 1 en vset gnd
88pl810/88pl815/88pl830 high current, adjustable 8 level ldo regulator doc. no. mv-s102944-00, rev. d page document classification: proprietary information 5 1.2 pin description 1.2.1 pin types this section provides the pin description of the 88pl810/88pl815/88pl830 devices. table 2 shows the pin types used in table 3. table 2: pin type definitions pin type definition i input only o output only s supply nc not connected gnd ground table 3: pin description pin # pin name pin type pin function 1 vset i connect to an external resistor that is connected to ground to set the output voltage of the regulator. s ee the ?electrical characteri stics? table for resistor values and output voltage setting section. the total capacitance across this pin and gnd should be equal to 25pf or less. use a resistor with tolerance bette r than 2%. if this pin is connected to gnd, the output voltage will be set to 2.5v (88pl830), 1.8v (88pl815), or 1.5v (88pl810). do not float this pin. 2 vout 0 output voltage: adjustable regulator output. a 10uf capac itor is connected between this pin and the gnd pin. 3 gnd gnd ground: tab is connected to gnd. 4 vin s input voltage: input voltage supplies current to output. connect a 10 f decouple capacitor (c in ) between this pin and gnd pin. 5 en i enable: cmos compatible input. logic low = disable, logic high = enable.
88pl810/88pl815/88pl830 high current, adjustable 8 level ldo regulator doc. no. mv-s102944-00, rev. d page document classification: proprietary information 6 section 2. electrical specifications 2.1 absolute maximum ratings 1 parameter symbol range units input voltage to gnd v in -0.6 to 4.2 v enable voltage (v en ) to gnd v en -0.6 to max (v in + 0.6, 4.2) v voltage set to gnd v set -0.6 to max (v in + 0.6, 4.2) v output voltage to gnd v out -0.6 to max (v in + 0.6, 4.2) v operating temperature range 2 t op -40 to 85 c storage temperature range t stor -65 to 150 c maximum junction temperature t jmax 125 c esd rating 3 2 kv 1. exceeding the absolute the maximum rating may damage the device. 2. specifications over the ?40 c to 85 c operating temperature ranges are assured by design, characterization and correlation with statis tical process controls. 3. devices are esd sensitive. handling precautions recommended. human body model, 1.5 k ? , in series with 100 pf. 2.2 recommended operating conditions 1 parameter symbol range units input voltage v in 2.7 to 3.6 v dpak package thermal resistance ja see section 5 c/w 5 x 5 mm qfn-5l package thermal resistance ja see section 5 c/w 1. this device is not guaranteed to func tion outside the specified operating range
88pl810/88pl815/88pl830 high current, adjustable 8 level ldo regulator doc. no. mv-s102944-00, rev. d page document classification: proprietary information 7 2.3 electrical characteristics the following table applies unless otherwise noted: c in = 10 uf; c out = 10 uf (ceramic); i out = 10 ma; t a = 25 c; v in =3.3v. bold values indicate -40 c t a 85 c. parameter symbol conditions min typ max units input voltage range v in 2.7 3.6 v 1ma i out 3a (88pl830) 1ma i out 1.5a (88pl815) output voltage accuracy v out 1ma i out 1a (88pl810) -2 2 % 10ma i out 3a (88pl830) 10ma i out 1.5a (88pl815) output voltage load regulation v out /v out 10ma i out 1a (88pl810) 0.1 % output voltage line regulation v out /v out v in = 3.0v-3.6v, i out = 10 ma 0.01 % i out = 1a, output voltage variation=1% 75 mv i out = 2a, output voltage variation=1% 156 mv dropout voltage (88pl830 only) v in -v out i out = 3a, output voltage variation=1% 235 mv quiescent current (88pl810) 1.0 quiescent current (88pl815) 1.2 quiescent current (88pl830) i q i out = 0ma 1.5 ma shutdown input current i shdn v en = gnd 0.1 50 a output current limit (88pl810) v out = 1.5v 3.0 a output current limit (88pl815) v out = 1.8v 3.0 a output current limit (88pl830) i out(lim) v out = 2.5v 7.0 a enable input enable input logic low ldo shutdown 1.1 v enable input logic high v en ldo enabled 2.2 v v el = 1.1v 1 10 a enable pin input current i en v eh = 2.2v 1 10 a
88pl810/88pl815/88pl830 high current, adjustable 8 level ldo regulator doc. no. mv-s102944-00, rev. d page document classification: proprietary information 8 parameter symbol conditions min typ max units under voltage lockout high threshold (uth), v in increasing 2.60 2.70 v under voltage lockout v uvlo low threshold (lth), v in decreasing 2.45 v under voltage lockout hysteresis 150 mv ldo output voltage r set = 11 k ? 2.352 2.40 2.448 v r set = 18.7 k ? 2.401 2.45 2.499 v r set = 31.6 k ? or 0 ? 2.450 2.50 2.550 v r set = 53.6 k ? 2.499 2.55 2.601 v r set = 97.6 k ? 2.548 2.60 2.652 v r set = 165 k ? 2.597 2.65 2.703 v r set = 280 k ? 2.646 2.70 2.754 v output voltage (88pl830) r set = 475 k ? 2.695 2.75 2.805 v r set = 11 k ? 1.693 1.728 1.763 v r set = 18.7 k ? 1.729 1.764 1.799 v r set = 31.6 k ? or 0 ? 1.764 1.800 1.836 v r set = 53.6 k ? 1.799 1.836 1.873 v r set = 97.6 k ? 1.835 1.872 1.909 v r set = 165 k ? 1.870 1.908 1.946 v r set = 280 k ? 1.905 1.944 1.983 v output voltage (88pl815) r set = 475 k ? 1.940 1.980 2.020 v r set = 11 k ? 1.411 1.44 1.469 v r set = 18.7 k ? 1.441 1.47 1.499 v r set = 31.6 k ? or 0 ? 1.470 1.50 1.530 v r set = 53.6 k ? 1.499 1.53 1.561 v r set = 97.6 k ? 1.529 1.56 1.591 v r set = 165 k ? 1.558 1.59 1.622 v r set = 280 k ? 1.588 1.62 1.652 v output voltage (88pl810) r set = 475 k ? 1.617 1.65 1.683 v
88pl810/88pl815/88pl830 high current, adjustable 8 level ldo regulator doc. no. mv-s102944-00, rev. d page document classification: proprietary information 9 parameter symbol conditions min typ max units soft start start-up time (88pl830) v out = 2.5v 3 5 start-up time (88pl815) v out = 1.8v 2.2 start-up time (88pl810) t ss v out = 1.5v 2.1 ms low drop out auto-restart ldo auto-restart time to restart after current limit shut down 6 30 ms over temperature protection t j increasing (disable ic) 150 c over-temperature protection t ot t j decreasing (enable ic) 120 c
88pl810/88pl815/88pl830 high current, adjustable 8 level ldo regulator doc. no. mv-s102944-00, rev. d page document classification: proprietary information 10 section 3. functional description figure 2: 88pl810/88pl815/88 pl830 simplified block diagram
88pl810/88pl815/88pl830 high current, adjustable 8 level ldo regulator doc. no. mv-s102944-00, rev. d page document classification: proprietary information 11 output voltage ? anyvoltage tm technology for 88pl830, the output voltage is se t by using a single resistor (r vset ) to provide eight output voltage options from 2.40v to 2.75v in 50 mv steps (see table 4). the r set resistor is only read once during start-up before the output voltage is turned on; t herefore, the output voltage cannot be changed on-the-fly. to configure the output to a different voltage eit her power has to recycle or the enable input has to turn off and back on. table 4 step v out 88pl830 (v) v out 88pl815 (v) v out 88pl810 (v) r vset (k ? ) 1 2.50 1.80 1.50 0 2 2.75 1.980 1.65 475 3 2.70 1.944 1.62 280 4 2.65 1.908 1.59 165 5 2.60 1.872 1.56 97.6 6 2.55 1.836 1.53 53.6 7 2.50 1.80 1.50 31.6 8 2.45 1.764 1.47 18.8 9 2.40 1.728 1.44 11 figure 3 shows the startup sequence of the 88pl830. once the input voltage (vin) is above the under voltage lockout (uvlo) upper thre shold (uth) of 2.65v, the v set pin becomes active. current is sourced out of this pin in exponentially increasi ng steps. after each step there is a blanking time before the v set voltage is compared to an inter nal 1.2v reference. if the v set voltage is below this reference voltage, the current source proceeds to the next set. once the v set voltage is above the reference voltage the sequence stops and the output vo ltage (vout) is allowed to turn-on. figure 4 shows the v set waveform for a 2.5v output. the 88pl830 keeps track of how many steps were required to determine the appropriate output voltage. table 4 provides the number of steps necessary for each output voltage option. using a 31.6 k ? resistor requires the current source to step 7 times, see figure 4. figure 3: start-up sequence 2 ms/div figure 4: v set voltage steps for 2.5v output 100 s/div v out 2v/div 1v/div v set 0.5v/div v in v set 1v/div
88pl810/88pl815/88pl830 high current, adjustable 8 level ldo regulator doc. no. mv-s102944-00, rev. d page document classification: proprietary information 12 the 88pl810/88pl815/88pl830 devices provide an inno vative technique to set the output voltage. the output voltage is determined during startup by the device reading the value of an external resistor that is located outside the regul ator?s feedback loop. by placing the output voltage-programming resistor outside the regulator?s f eedback loop, its tolerance does not a ffect the accuracy of the output voltage. normally, adjustable regulators use 1% resist ors to set the output voltage. however, these resistors are located inside the feedback loop, introduci ng as much as 2% of in itial accuracy error to the output voltage, resulting in an overall initial accuracy of 3%. the 88pl810/88pl815/88pl830 initial accuracy is 2% for any of the eight output voltages. the v set pin is sensitive to excessive leakage curr ents and stray capacitance. the output voltage can potentially be programmed to the lower output vo ltage if there is contam ination that introduces excessive leakage current on the vset pin, especially for a r vset of 475k ? . the parasitic resistance on the node must be greater than 3m ? and the stray capacitance must be equal to 25pf or less. soft start soft start is a highly desirable pro perty in ?hot-swap? applications. mo st ldos start-up within 100 us, producing large inrush currents on the input pow er supply. the 88pl810/ 88pl815/88pl830 device controls the rise time of the output voltage, thereby dr amatically reducing the inrush current. the 88pl830 device rise time is typically 3ms and it is independent of output capacitance and load current. figure 5 shows the rise time with a 10 uf output capacitor at 50 ma load and figure 6 shows the rise time with a 1000 uf output capacitor at 500 ma load. even with these extreme loading conditions and different inrush cu rrent, the output voltage rise time difference is less than 0.1 ms. also note that the output voltage star ts at near 0v while other ldo soft start techniques typically start at 1.25v. figure 5: rise time with c out = 10 uf 1 ms/div i load = 50 ma figure 6: rise time with c out = 1000 uf 1 ms/div i load = 500 ma v out 1v/div 100ma/div i in v out i in 500ma/div 1v/div
88pl810/88pl815/88pl830 high current, adjustable 8 level ldo regulator doc. no. mv-s102944-00, rev. d page document classification: proprietary information 13 hiccup current limit the ?hiccup? short-circuit protec tion is a feature that is not common among other ldos. when the current-sense circuit sees an over-current co ndition, the 88pl810/88pl815/ 88pl830 device shuts off for about 6 ms and then tries to start up again, see figur e 7. if the over-load c ondition is removed, the 88pl810/88pl815/88pl830 dev ices will start-up normally; otherwise, the 88pl810/88pl815/88pl830 dev ice will see another over-current event and shut off again, repeating the previous cycle. figure 7: hiccup period 2 ms/div figure 7 figure 8: current limit response time 200 s/div figure 8 hiccup mode protection offers protection against over current situations, since it limits the average current to the load at a low level, reducing powe r dissipation and case temper ature of the ic. the 88pl810/88pl815/88pl830 device ca se temperature will only ri se about 20c and have a case temperature of around 45c at room, reduc ing the thermal stress on the device. figure 8 shows the response time of the current limit circuitry. the response time of the protection circuit must be quick enough to prevent damage from ov erloads, yet allow enough time to response to transient loads without prematur ely tripping the protection circuit. output capacitor (c out ) selection the 88pl810/88pl815/88pl830 device requires a 10 uf ceramic output capacitor as part of the frequency compensation. however, any other type of capacitor up to 1000 uf can be placed in parallel with it as long as the 10uf cerami c output capacitor is placed next to the 88pl810/88pl815/88pl830 device. a dditional output capacitance furt her improves load-transient response and power supply rejection. x7r and x5r type ceramic capacitors are reco mmended because of their performance over temperature. capacitance of the x7r type c apacitors changes only 15% over their operating temperature range. y5v and z5u type ceramic c apacitors change value by as much as 60% and 50%, respectively, over their operating temperature range. if y5v type ceramic capacitors are used, then higher value capacitor in comparison with x7 r and x5r capacitors must be used to ensure a 5a/div 5a/div i out i out
88pl810/88pl815/88pl830 high current, adjustable 8 level ldo regulator doc. no. mv-s102944-00, rev. d page document classification: proprietary information 14 sufficient capacitance value over the operating te mperature range. the following capacitors are some of the capacitors recommended to be used with the 88pl 810/88pl815/88pl830. table 5: recommended capacitors manufacturer part number dielectric capacitance (f) voltage (v) case size (inch) max height (mm) murata grm188r60g106m x5r 10 4.0 0603 0.9 murata grm219r60j106k x5r 10 6.3 0805 0.95 murata grm21br60j106k x5r 10 6.3 0805 1.35 taiyo-yuden ce jmk212bj106mg-t x5r 10 6.3 0805 1.40 tdk c2012x5r0j106mt x5r 10 6.3 0805 1.55 input capacitor an input capacitor of 1 uf or greater is required between the 88pl810/88pl815/88pl830 device?s v in pin and ground. it must be placed as close as possible to the 88pl810/88pl815/88pl830 device for stable operation. while 1 uf wi ll provide adequate bypassing of the v in supply, larger value input capacitors (10 uf) can improve bypassing to handle fast transient re sponse requirements. enable the 88pl810/88pl815/88pl830 devices feature an ac tive high enable (en) input that allows on/off control of the devic e. near ?zero? current drain is ac hieved when the device is disabled, with only microamperes of leakage current flow. the en input includes ttl/cmos compatible thresholds for simple interfacing with logic, or that may be directly tied to v in for a constant on state. the enable input must not be left floating; it must be tied either high or low. minimum load current the 88pl810/88pl815/88pl830 device, unlike most ot her high current regulato rs, does not require a minimum load to maintain output voltage regulation. undervoltage lockout (uvlo) the 88pl810/88pl815/88pl830 incor porates undervoltage-lockout circui try to disable the ldo when the input voltage is below 2.45v (typical). the ldo is enabled when the input voltage is above 2.60v (typical). thermal shutdown when the junction temperat ure of the 88pl810/88pl815/88p l830 device exceeds 150 c (typical), the thermal shutdown circuitry disables the ldo. the ldo is enabled when the junction temperature is decreased to 120 c (typical).
88pl810/88pl815/88pl830 high current, adjustable 8 level ldo regulator doc. no. mv-s102944-00, rev. d page document classification: proprietary information 15 thermal considerations the power handling capability of t he device is limited by the maxi mum rated junction temperature (125c). the power dissipated by the device is made up of two components: 1. output current multiplied by the di fferential of input and output voltage: (i out ) (v in -v out ). 2. input current into the device (u sed by internal circuitry in ma) multiplied by the input voltage: (i q )(v in ) the actual power dissipation (p d ) will be the sum of the tw o components listed above: p d = (i out ) (v in -v out ) + (i q ) (v in ) to determine the maximum power dissipation (p d (max) ) of the package, use the junction-to-ambient thermal resistance ( c) and t a (max) is the ambient operating temperatur e. note that ) ( p t - t cs jc (max) d (max) a (max) j sa + ? = the ) v - (v ) (i t - t out in out ja (max) a (max) j
88pl810/88pl815/88pl830 high current, adjustable 8 level ldo regulator doc. no. mv-s102944-00, rev. d page document classification: proprietary information 16 section 4. functional characteristics the following is used c in = 10 uf; c out = 10 uf (ceramic); v in =3.3v; v out =2.5v; unless otherwise noted. start-up using the enable pin 1 ms/div i load = 50 ? input voltage soft start 2 ms/div i load = no load uvlo thresholds 100 ms/div v hth = 2.60v v lth = 2.45v turn off using the enable pin 1 ms/div i load = 50 ? input voltage hot plug 1 ms/div i load = no load load transient response 200 us/div i load = 0.01a to 3.0a c out = 10 f v set 2v/div v out v set 2v/div v in 1v/div enable 1v/div v in 1v/div enable 1v/div 1v/div v out 1v/div v out v in 1v/div 1v/div v out 20mv/div i load 1a/div 1v/div v set 1v/div v out v out 1v/div
88pl810/88pl815/88pl830 high current, adjustable 8 level ldo regulator doc. no. mv-s102944-00, rev. d page document classification: proprietary information 17 section 5. typical characteristics 5.1 ic case and board temperature actual results depend upon the size of the pcb and pr oximity to other heat emitting components. the following test data used a ? in 2 pcb, 1 oz copper, and 88pl830 part. 5.1.1 dpak package ic case temperature vs. output current vin = 3.3v, vout = 2.5v 20 40 60 80 100 120 140 0 0.5 1 1.5 2 2.5 3 output current (a) ic temperature (c) 85c 65c 45c 25c ic case temperature vs. output current vin = 3.3v, temp = 25c 0 20 40 60 80 100 120 00.511.5 22.53 output current (a) ic temperature (c) vout=2.4v vout=2.6v vout=2.75v ic case temperature vs. power dissipation vin = 3.3v, vout = 2.5v y = 23.943x + 25.007 20 40 60 80 100 120 140 00.511.522.53 power loss (w) ic temperature (c) 85c 65c 45c 25c ic power loss vs. output current vin = 3.3v, vout = 2.5v 0.0 0.5 1.0 1.5 2.0 2.5 3.0 00.511.522.53 output current (a) ic power loss (w) 85c 65c 45c 25c pcb board and ic temperature vs. power dissipation vin = 3.3v, vout = 2.5v y = 18.979x + 28.571 y = 23.547x + 28.143 20 30 40 50 60 70 80 90 0 0.5 1 1.5 2 2.5 3 power loss (w) ic and board temperature (c) pcb_25c ic_25c linear (pcb_25c) linear (ic_25c) dropout vs. load current vin = 2.7v, vout = 2.7v 0 0.1 0.2 0.3 0.4 0 0.5 1 1.5 2 2.5 3 output current(a) ldo dropout (v) 85c 25c -40c
88pl810/88pl815/88pl830 high current, adjustable 8 level ldo regulator doc. no. mv-s102944-00, rev. d page document classification: proprietary information 18 5.1.2 5x5 mm qfn-5l package ic case temperature vs. output current vin = 3.3v, vout = 2.5v 20 40 60 80 100 120 140 160 00.511.522.53 output current (a) ic temperature (c) 85c 65c 45c 25c ic case temperature vs. power dissipation vin = 3.3v, vout = 2.5v y = 30.184x + 26.597 20 40 60 80 100 120 140 160 00.511.522.53 ic power loss (w) ic temperature (c) 85c 65c 45c 25c linear (25c) ic power loss vs. output current vin = 3.3v, vout = 2.5v 0.0 0.5 1.0 1.5 2.0 2.5 3.0 00.511.522.53 output current (a) ic ploss (w) 85c 65c 45c 25c ic temperature vs. output current vin = 3.3v, @25c 0 20 40 60 80 100 120 00.511.522.53 iout(a) ic emperature (c) vout=2.4v vout=2.5v vout=2.6v vout=2.75v pcb board and ic temperature vs. power dissipation vin = 3.3v, vout = 2.5v, @ 25c y = 20.783x + 26.905 y = 30.184x + 26.597 20 30 40 50 60 70 80 90 100 110 00.511.522.53 ic power loss (w) board temperature (c) pcb_25c ic_25c linear (pcb_25c) linear (ic_25c) dropout vs. load current vin = 2.7, vout = 2.7v 0 0.1 0.2 0.3 0.4 00.511.522.53 output current (a) ldo dropout (v) 85c 25c -40c
88pl810/88pl815/88pl830 high current, adjustable 8 level ldo regulator doc. no. mv-s102944-00, rev. d page document classification: proprietary information 19 5.2 input voltage graphs the following data applies to 88pl830; c in = 10 uf; c out = 10 uf (ceramic); unless otherwise noted. supply current vs. input voltage 1.2 1.3 1.4 1.5 1.6 2.7 3.0 3.3 3.6 input voltage (v) supply current (ma) load = no load output voltage vs. input voltage 2.40 2.45 2.50 2.55 2.60 2.73.03.33.6 input voltage (v) output voltage (v) i out (ldo) = 10 ma enable threshold vs. input voltage 1.00 1.20 1.40 1.60 1.80 2.7 3.0 3.3 3.6 input voltage (v) enable threshold (v) shutdown current vs. input voltage 0.0 0.1 0.2 0.3 0.4 2.73.03.33.6 input voltage (v) shutdown current (ua) load regulation vs. input voltage -0.20% -0.10% 0.00% 0.10% 0.20% 2.7 3.0 3.3 3.6 input voltage (v) load regulation (%) v out (ldo) = 2.5v i out (ldo) = 10 ma ? 3.0a output current limit vs. input voltage 0.0 2.0 4.0 6.0 8.0 10.0 2.7 3.0 3.3 3.6 input voltage (v) current limit (a) 88pl830 88pl815/10
88pl810/88pl815/88pl830 high current, adjustable 8 level ldo regulator doc. no. mv-s102944-00, rev. d page document classification: proprietary information 20 5.3 temperature graphs the following data applies to 88pl830; c in = 10 uf; c out = 10 uf (ceramic); v in =3.3v; v out =2.5v; unless otherwise noted. supply current vs. temperature 1.2 1.3 1.4 1.5 1.6 -40-20 0 20406080 temperature (c) supply current (ma) i out (ldo) = no load shutdown current vs. temperature 0 0.25 0.5 0.75 1 -40-20 0 20406080 temperature (c) shutdown current (ua) i out (ldo) = 10ma output voltage vs. temperature 2.40 2.45 2.50 2.55 2.60 -40-20 0 20406080 temperature (c) output voltage (v) i out (ldo) = 10 ma load regulation vs. temperature -0.20% -0.10% 0.00% 0.10% 0.20% -40 -20 0 20 40 60 80 temperature (c) load regulation (%) i out (ldo) = 10 ma ? 3a line regulation vs. temperature -0.20% -0.10% 0.00% 0.10% 0.20% -40-20 0 20406080 temperature (c) line regulation (%) v in = 3.0v ? 3.6v i out (ldo) = 10 ma enable threshold vs. temperature 1.00 1.25 1.50 1.75 2.00 -40-20 0 20406080 temperature (c) enable threshold (v)
88pl810/88pl815/88pl830 high current, adjustable 8 level ldo regulator doc. no. mv-s102944-00, rev. d page document classification: proprietary information 21 uvlo vs. temperature 2.3 2.4 2.5 2.6 2.7 -40-20 0 20406080 temperature (c) uvlo (v) i out (ldo) = 10 ma current limit vs. temperature 0 1 2 3 4 5 6 7 8 -40 -20 0 20 40 60 80 temperature (c) current limit (a) 88pl830 88pl815/10
88pl810/88pl815/88pl830 high current, adjustable 8 level ldo regulator doc. no. mv-s102944-00, rev. d page document classification: proprietary information 22 section 6. mechanical drawings 6.1 mechanical dimensions 6.1.1 dpak package figure 9: 88pl810/88pl815/88pl 830 dpak mechanical dimensions
88pl810/88pl815/88pl830 high current, adjustable 8 level ldo regulator doc. no. mv-s102944-00, rev. d page document classification: proprietary information 23 table 6: dpak dimensions
88pl810/88pl815/88pl830 high current, adjustable 8 level ldo regulator doc. no. mv-s102944-00, rev. d page document classification: proprietary information 24 6.1.2 5 x 5 mm qfn-5l package note: 1. controlling dimens ion: millimeter 2. reference document: jedec mo-229 figure 10: 88pl810/88pl815/88pl830 5x 5 mm qfn-5l mechanical dimensions
88pl810/88pl815/88pl830 high current, adjustable 8 level ldo regulator doc. no. mv-s102944-00, rev. d page document classification: proprietary information 25 table 7: 5 x 5 mm qfn-5l dimensions dimension in mm dimension in inch symbol min nom max min nom max a 0.80 0.85 1.00 0.031 0.033 0.039 a1 0.00 0.02 0.05 0.00 0.001 0.002 a2 0.60 0.65 0.50 0.024 0.026 0.031 a3 0.020 ref 0.008 ref b1 0.25 0.30 0.35 0.010 0.012 0.014 b2 0.45 0.50 0.55 0.018 0.020 0.022 d/e 5.00 bsc 0.197 bsc d1/e1 4.95 bsc 0.187bsc d2a 3.43 3.58 3.73 0.135 0.141 0.147 d2b 2.03 2.18 2.33 0.080 0.086 0.092 e2a 3.90 4.05 4.20 0.154 0.159 0.165 e2b 2.95 3.10 3.25 0.116 0.122 0.128 e 1.00 bsc 0.039 bsc l 0.35 0.55 0.75 0.014 0.022 0.030 k 0.20 --- --- 0.008 --- --- ? 0 --- 12 0 --- 12 aaa --- --- 0.15 --- --- 0.006 bbb --- --- 0.10 --- --- 0.004 ccc --- --- 0.10 --- --- 0.004 ddd --- --- 0.05 --- --- 0.002
88pl810/88pl815/88pl830 high current, adjustable 8 level ldo regulator doc. no. mv-s102944-00, rev. d page document classification: proprietary information 26 6.2 typical pad layout dimensions 6.2.1 recommended solder pad layout for dpak-5 (t0-252) notes: 1. top view 2. drawing not to scale 3. dimensions are in millimeters 4. tolerance 0.05 mm dpak-5l land pattern (mm) 6.40 0.80 10.60 5.80 2.20 5.36 1.14
88pl810/88pl815/88pl830 high current, adjustable 8 level ldo regulator doc. no. mv-s102944-00, rev. d page document classification: proprietary information 27 6.2.2 recommended solder pad layout for qfn-5 notes: 1. top view 2. drawing not to scale 3. dimensions are in millimeters 4. tolerance 0.05 mm 5x5 qfn-5l land pattern (mm) package outline 5.15 0.30 1.00 0.70 4.05 3.10 3.58 2.18 1.50 0.475 0.50
88pl810/88pl815/88pl830 high current, adjustable 8 level ldo regulator doc. no. mv-s102944-00, rev. d page document classification: proprietary information 28 section 7. ordering information 7.1 ordering part numbers and package markings figure 11 shows the ordering pa rt numbering scheme of the 88pl810/88pl815/88p l830. for complete information, contact marv ell fae or sales representative. figure 11: ordering part nu mbers and package markings 88pl8xx ? xx ? xxx 1 cxxx ? t123 part numbe r 88pl810 88pl815 88pl830 internal code package code nak ? 5 pin qfn 5 x 5 mm dpa - 5 pin dpak custom code custom code custom code (optional) environmental 1 = lead-free package ?-? = non lead free p ackage
88pl810/88pl815/88pl830 high current, adjustable 8 level ldo regulator doc. no. mv-s102944-00, rev. d page document classification: proprietary information 29 7.2 sample ordering part number the standard ordering part numbers for the respective solutions are as follows: marketing part number marking ldo output voltage ldo output current ambient temperature range1 package2 88pl810-nak1 l10 1.5v 1.0a -40 c to 85 c 5 x 5 qfn-5 88pl815-nak1 l15 1.8v 1.5a -40 c to 85 c 5 x 5 qfn-5 88pl830-nak1 l30 2.5v 3.0a -40 c to 85 c 5 x 5 qfn-5 88pl810-dpa1 l10 1.5v 1.0a -40 c to 85 c dpak-5 88pl815-dpa1 l15 1.8v 1.5a -40 c to 85 c dpak-5 88pl830-dpa1 l30 2.5v 3.0a -40 c to 85 c dpak-5 1. specifications over the ?40 c to 85 c operating temperature range are assured by design, characterization and correlation with statistical process controls. 2. package dimensions are in mm.
88pl810/88pl815/88pl830 high current, adjustable 8 level ldo regulator doc. no. mv-s102944-00, rev. d page document classification: proprietary information 30 7.3 package marking figures 12 and 13 show a typical package marking and pin 1 location for the 88pl810/88pl815/88pl830 part in 5 x 5 mm qfn-5 and dpak-5. 7.3.1 5 x 5 qfn-5 package marking figure 12: 88pl810/88pl815/88pl830 package marking and pin 1 location for 5 x 5 mm qfn-5 7.3.2 dpak-5 package marking figure 13: 88pl810/88pl815/88pl830 package marking and pin 1 location for dpak-5
88pl810/88pl815/88pl830 high current, adjustable 8 level ldo regulator doc. no. mv-s102944-00, rev. d page document classification: proprietary information 31

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