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dsp switcher? mdx-g15z/mdx-g16/ mdx-g30z/mdx-g31 series non isolated, step-dow n switching regulator module with anyvoltage? technology. single and dual output voltage up to 3 amps peak. advance specificatio ns, patent pending doc. no. mv-s101948-00, rev. c august 26, 2004
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non isolated, step-down switching regulator module with anyvoltage? technology. single and dual output voltage up to 3 amps peak. mdx-g15z/mdx-g16/mdx-g30z/mdx-g31 copyright@ 2004 marvell doc. no. mv-s101948-00, rev. c august 26, 2004, advance document classifi cation: proprietary information page 3 f eatures /b enefits ? true "plug-n-play" solution ? no external components required - except a sin- gle voltage programming resistor ? tiny footprint, vertical and horizontal options ? input voltage range: 3v to 5.5v ? programmable output vo ltage: 0.72v to 3.63v ? 2% output voltage tolerance ? 1 mhz switching frequency ? 95% efficiency?no heatsink required ? ultra-fast transient response ? low output ripple and noise ? anyvoltage? technology provides 64 output selections and shortens design cycles ? output voltage marginin g capability for easy sys- tem testing and qualification ? high reliability - lowest component count ? works with any external capacitive load (low esr, high esr) ? built-in undervoltage lockout, thermal protection, and current limit ? control ic and passive kit components are avail- able for high volume user sip package dip package smt package
doc. no. mv-s100649-00, rev a copyright@ 2004 marvell page 4 document classification: proprie tary information august 26, 2004, advance o verview the mdx-g15z/mdx-g16 /mdx-g30z/mdx-g31 series 1 is a high-performanc e, non-isolated, dc-dc converter module for point-of-load (pol) applications. it functions as a synchr onous step-down (buck) switching regulator in a small form factor. the module includes a proprietary marvell ? integrated regulator device. the switching frequency for the regulator is 1 mhz, and no external components are required (except one voltage programming resistor, see section 2.1 "output voltage - anyvoltage? technology" on page 10 ). ultra-high conversion efficiency (typically 95%) allows for the use of the mdx- g15z/mdx-g16/mdx-g30z/ mdx-g31 series without any heatsink. additionally, the mdx-g15z/mdx-g16 /mdx-g30z/mdx-g31 includes an innovative single resistor method 2 to pro- gram the output voltage. this voltage is defined by the user with an external resistor. the mdx-g15z/mdx-g16/mdx-g30z/mdx-g31 series operates from an input voltage range of 3v to 5.5v, making the device well suited for portable applications. the output voltage range is 0.72v to 3.63v, supporting future devices down to 65 nm geometries. other key features include an internal current limit, an undervoltage lockout, a thermal shutdown, and an ambient temperature range of -40c to 85c a pplications ? point-of-load power supplies ? networking/datacom systems ? portable computing ? workstation and servers ? dsp power supplies ? lan/wan ? enterprise networks ? industrial controls 1. the mdx-g15z/mdx-g16/mdx-g30z/mdx-g31 series includes mds-g15z, mdd-g15z, mdt-g15z, mds- g16, mdd-g16, mdt-g16, mds-g30z, mdd-g30z and mdt-g30z, mds-g31, mdd-g31 and mdt-g31 2. patent pending
copyright@ 2004 marvell doc. no. mv-s101948-00, rev. c august 26, 2004, advance document classifi cation: proprietary information page 5 d evice f eature d ifferences table below summarizes the feature differences bet ween mdx-g15z, mdx-g16, mdx-g30z, and mdx-g31. p roduct selector table features mdx-g15z mdx-g16 mdx-g30z mdx-g31 output current 1.5a 1.5a 3.0a 3.0a packages ? 8-pin sip ? 7-pin dip ? 7-pin smt ? 7-pin sip ? 6-pin dip ? 6-pin smt ? 8-pin sip ? 7-pin dip ? 7-pin smt ? 7-pin sip ? 6-pin dip ? 6-pin smt ldo ldo voltage option no ldo ldo voltage option no ldo part number description ldo output voltage output current package mds-g15b sip module: 1.5a pk switching reg. with ldo 3.3v 1.5a 8-pin sip mds-g15e sip module: 1.5a pk switching reg. with ldo 2.5v 1.5a 8-pin sip mdd-g15b dip module: 1.5a pk switching reg. with ldo 3.3v 1.5a 7-pin dip mdd-g15e dip module: 1.5a pk switching reg. with ldo 2.5v 1.5a 7-pin dip mdt-g15b smt module: 1.5a pk switching reg. with ldo 3.3v 1.5a 7-pin smt mdt-g15e smt module: 1.5a pk switching reg. with ldo 2.5v 1.5a 7-pin smt mds-g16 sip module: 1.5a pk switching reg. -- 1.5a 7-pin sip mdd-g16 dip module: 1.5a pk switching reg. -- 1.5a 6-pin dip mdt-g16 smt module: 1.5a pk switching reg. -- 1.5a 6-pin smt mds-g30b sip module: 3a pk switching reg. with ldo 3.3v 3.0a 8-pin sip mds-g30e sip module: 3a pk switching reg. with ldo 2.5v 3.0a 8-pin sip mdd-g30b dip module: 3a pk switching reg. with ldo 3.3v 3.0a 7-pin dip mdd-g30e dip module: 3a pk switching reg. with ldo 2.5v 3.0a 7-pin dip mdt-g30b smt module: 3a pk switching reg. with ldo 3.3v 3.0a 7-pin smt mdt-g30e smt module: 3a pk switching reg. with ldo 2.5v 3.0a 7-pin smt mds-g31 sip module: 3a pk switching reg. -- 3.0a 7-pin sip mdd-g31 dip module: 3a pk switching reg. -- 3.0a 6-pin dip mdt-g31 smt module: 3a pk switching reg. -- 3.0a 6-pin smt
mdx-g15z/mdx-g16/m dx-g30z/mdx-g31 non isolated, step-down switching regulator module with anyvoltage? technology. single and dual output voltage up to 3 amps peak. doc. no. mv-s101948-00, rev. c copyright ? 2004 marvell page 6 document classification: proprie tary information august 26, 2004, advance table of contents s ection 1. s ignal d escription .............. .............. .............. .............. ........... 7 1.1 pin diagram for mdx-g15z & mdx-g30z ...... ................................................................7 1.2 pin diagram for mdx-g31 ..............................................................................................8 1.3 pin description ............................................................................................................. ..9 s ection 2. f unctional d escription ............... ................ ............... ........... 10 2.1 output voltage - anyvolta ge? technology ..............................................................10 2.2 output voltage margining..... .......................................................................................10 2.3 undervoltage lockout (uvlo) ....................................................................................12 2.4 thermal shutdown .......................................................................................................12 s ection 3. e lectrical s pecifications ............. .............. ............... ........... 13 3.1 absolute maximum ratings ........................................................................................13 3.2 recommended operating c onditions .......... ................. ................ ................ .............13 3.3 electrical characteristics. ............................................................................................14 3.4 startup waveforms.......................................................................................................15 3.5 load transient response waveforms .......................................................................18 3.5.1 g30 step-down regulator ............................................................................................... 18 3.5.2 ldo regulator............................................................................................................. ..... 19 3.6 switching waveforms ..................................................................................................20 3.7 efficiency.................................................................................................................. .....21 s ection 4. m echanical d rawings ................ ................ ................. ........... 23 4.1 mechanical dimensions for mdx-g15z & mdx-g30z.................................................23 4.2 mechanical dimensions for mdx-g16 & md x-g31 ....................................................26 s ection 5. o rdering i nformation ................ ................ ................. ........... 29 5.1 ordering part numbers and package mark ings ........................................................29
copyright ? 2004 marvell doc. no. mv-s101948-00, rev. c august 26, 2004, advance document classifi cation: proprietary information page 7 signal description pin diagram for mdx-g15z & mdx-g30z section 1. signal description 1.1 pin diagram for mdx-g15z & mdx-g30z figure 1: mdx-g15z & mdx-g30z package - component view figure 2: connection block configurat ion sample for mdx-g15z & mdx-g30z ldo_out pset gnd shdn gnd vset mds-g15z mds-g30z 17 6 5 4 3 289 vin buck_out 1 2 34 5 6 7 ldo out buck out gnd vin vset pset shdn mdd-g15z mdd-g30z mdt-g15z mdt-g30z mds-g15z mds-g30z vout gnd vin shdn gnd 3v-5.5v vset pset optional load
mdx-g15z/mdx-g16/mdx-g30z/mdx-g31 non isolated, step-down switching regulator module with anyvoltage? technology. single and dual output voltage up to 3 amps peak. doc. no. mv-s101948-00, rev. c copyright ? 2004 marvell page 8 document classification: proprie tary information august 26, 2004, advance 1.2 pin diagram for mdx-g31 figure 3: mdx-g16 & mdx-g31 package - component view figure 4: connection block configuration sample for mdx-g16 & mdx-g31 vout vin gnd vset pset shdn mdd-g16 mdt-g16 mdd-g31 mdt-g31 1 23 6 5 4 vout gnd vin shdn gnd vset pset mds-g16 mds-g31 17 6 5 4 3 28 mds-g16 mds-g31 vout gnd vin shdn gnd 3v-5.5v vset pset optional load
copyright ? 2004 marvell doc. no. mv-s101948-00, rev. c august 26, 2004, advance document classifi cation: proprietary information page 9 signal description pin description 1.3 pin description name pin description ldo_out 1 1. this pin is present in mdx-g15z & mdx-g30z only. secondary output voltage. connect directly to load with a short wide pcb trace. pset percent set. an external resistor is connected to the ground to trim the set voltage by the percentage value. see table 1 in the section 2.1 "output voltage - anyvoltage? technology" on page 10 for resistor values and percentage options. the total capacitance across this pin and gnd should be less than 15 pf. shorting this pin to ground, floating this pin, or using r vset > 619k or r vset < 7.68k does not affect the set voltage. a resistor with tolerance better than 2% must be used. if this pin is not used, it should be tied to gnd. gnd power ground. connect these two pins to a suitable low-impedance ground plane. nc not connected. no pin. vset voltage set. an external resistor is connected to ground to set the output voltage of the switching reg- ulator. see table 1 in the section 2.1 "output voltage - anyvoltage? technology" on page 10 for resistor values and output voltage options. the total capacitance across this pin and gnd should be less than 15 pf. shorting this pin to ground, floating this pin, or using r vset > 619k or r vset < 7.68k disables the switching regulator. a resistor with tolerance better than 2% must be used. buck_out 2 2. this pin is present in mdx-g15z, & mdx-g30z only. primary output voltage. connect directly to load with a short wide pcb trace. vout 3 3. this pin is present in mdx-g16, & mdx-g31 only. output voltage. connect directly to load with a low impedance pcb trace. vin 3v - 5.5v input voltage. shdn shutdown. logic low ( 0.8v) enables the regulator. logic high ( 2.0v) disables the regulator. the high signal has to be at least 20 s to disable the regulator.
mdx-g15z/mdx-g16/mdx-g30z/mdx-g31 series non isolated, step-down switching regulator module with anyvoltage? technology. single and dual output voltage up to 3 amps peak. doc. no. mv-s101948-00, rev. c copyright ? 2004 marvell page 10 document classification: proprie tary information august 26, 2004, advance section 2. functional description 2.1 output voltage - anyvoltage? technology the output voltage of the mdx-g15z /mdx-g16/mdx-g30z/mdx-g 31 series is programmed by using the look-up table 1 to select the resistor value for the vset and pset pins. the vset pin sets the output voltage, and the pset pin trims the set voltage to a percentage value. for example, to program 2.25v output, a 165k resistor is selected for the vset pin, and an 11k resistor is selected for the pset pin. the 165k resistor sets the output voltage to 2.5v and the 11k resistor trims the set volt- age off by 10% (or -10%). using a resistor val ue greater than 619k or less than 7.68k for the vset pin disables the switching regulator and sets the sw pin to high impedance. using a resist or value greater than 619k or less than 7.68k for the pset pin does not affect the set voltage. if not used, the pset pin should be tied to ground. 2.2 output voltage margining a useful application of the marvell ? anyvoltage? technology is ?output voltage margining?. voltage margining is commonly used during system qualificatio n to evaluate operation at ?corner? conditions of volt age, temperature etc. typically, output voltage will be offset up and down by some percentage (margin) of the nominal value. for the mdx-g15z/mdx-g16/mdx-g30z/mdx-g31 series the vset pi n/resistor controls the nominal voltage of the switching regulator output while the pset pin/resistor controls the marg in voltage. as can be seen in ta b l e 1 , the pset pin allows the margin to be set as high as 10% above and as low as -10% below the nominal setpoint estab- table 1: anyvoltage? programming table pset -10.0% ?7.5% ?5.0% ?2.5% 2.5% 5.0% 7.5% 10.0% 11k 18.7k 31.6k 53.6k open / gnd 97.6k 165k 280k 475k vset gnd 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 11k 0.720 0.740 0.760 0.780 0.800 0.820 0.840 0.860 0.880 18.7k 0.900 0.925 0.950 0.975 1.000 1.025 1.050 1.075 1.100 31.6k 1.080 1.110 1.140 1.170 1.200 1.230 1.260 1.290 1.320 53.6k 1.350 1.388 1.425 1.463 1.500 1.538 1.575 1.613 1.650 97.6k 1.620 1.665 1.710 1.755 1.800 1.845 1.890 1.935 1.980 165k 2.250 2.313 2.375 2.438 2.500 2.563 2.625 2.688 2.750 280k 2.700 2.775 2.850 2.925 3.000 3.075 3.150 3.225 3.300 475k 2.970 3.053 3.135 3.218 3.300 3.383 3.465 3.548 3.630 open 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000
copyright ? 2004 marvell doc. no. mv-s101948-00, rev. c august 26, 2004, advance document classifi cation: proprietary information page 11 functional description output voltage margining lished by vset. depending on the value of the pset resist or intermediate points of 7.5%, 5% and 2.5% can also be accessed. for example, if an application calls for a nominal output voltage of 1.5v then table 1 prescribes a value of r1 for the vset resistor. this selection is shown in figure 6 connected to the vset pin. to offset t he voltage above and below the nominal val ue, the pset pin can be used with resistor values again from ta b l e 1 . additionally, switches s1 and s2 can be alternately closed to select from the two resistors - r3 and r2 (offset values) for pset. if more offsets are required more switches and resistors may be used . as shown in the figures below, if s1 is closed and s2 opened a positive 5% offset would be added to the nomina l 1.5v output yielding 1.575v. conversely, if s1 is opened and s2 closed the output would be offset to -5% fr om 1.5v, or 1.425v. finally with both s1 and s2 opened the output would return to the nominal 1.5v. thus volta ge margining can be simply and reliably implemented with a minimum of components and design effort. figure 5: output voltage marg ining for mdx-g15z & mdx-g30z mdx-g15z mdx-g30z ldo_out load2 gnd vin shdn gnd 3.0v-5.5v vset pset load1 buck_out r1 r2 s1 s2 r3
mdx-g15z/mdx-g16/mdx-g30z/mdx-g31 series non isolated, step-down switching regulator module with anyvoltage? technology. single and dual output voltage up to 3 amps peak. doc. no. mv-s101948-00, rev. c copyright ? 2004 marvell page 12 document classification: proprie tary information august 26, 2004, advance figure 6: output voltage margining for mdx-g16 & mdx-g31 2.3 undervoltage lockout (uvlo) the mdx-g15z/mdx-g16/mdx-g30 z/mdx-g31 series incorporates undervolt age-lockout circuitry to disable the step-down regulator when the input voltage is below 2.75v (typical). the step-down r egulator is enabled when the input voltage is above 2.85v (typical). 2.4 thermal shutdown if the junction temperature of the control ic on mdx-g15z/mdx-g16/mdx- g30z/mdx-g31 series exceeds 150c (typical), the thermal shutdown circuitry disables the step-down regulator. the step-down regulator is enabled when the junction temperature falls to 120c (typical). mdx-g16 mdx-g31 vout load gnd vin shdn gnd 3v-5.5v vset pset r1 r2 s1 s2 r3
copyright ? 2004 marvell doc. no. mv-s101948-00, rev. c august 26, 2004, advance document classifi cation: proprietary information page 13 electrical specifications absolute maximum ratings section 3. electrical specifications 3.1 absolute maximum ratings stresses above those listed in absolute maximum ratings may ca use permanent device failure. functionality at or above those lim its is not implied. exposure to absolute maximum ratings for extended periods may affect device reliability. parameter symbol range units input voltage to gnd v in -0.3 to 6.0 v voltage set to gnd v set -0.6 to (v in + 0.3) v percentage set voltage to gnd v pset -0.6 to (v in + 0.3) v shutdown voltage to gnd v shdn -0.6 to (v in + 0.3) v storage temperature range t stor -65 to +150 c output current (peak) for mdx-g30z & mdx-g31 i out 3.0 a output current (peak) for mdx-g15z & mdx-g16 i out 1.5 a ldo current i outldo 800 ma 3.2 recommended operating conditions 1 1. this device is not guaranteed to f unction outside the specified operating range. parameter symbol range units input voltage v in 3 to 5.5 v operating temperature range 2 2. this device is guaranteed to me et the specifications from 0c to 70c. any specifications that per- tains to the operating temperature range -40c to +85c are assured by design, characterization, and correlation with stat istical process controls. t op -40 to +85 c
mdx-g15z/mdx-g16/mdx-g30z/mdx-g31 non isolated, step-down switching regulator module with anyvoltage? technology. single and dual output voltage up to 3 amps peak. doc. no. mv-s101948-00, rev. c copyright ? 2004 marvell page 14 document classification: proprie tary information august 26, 2004, advance 3.3 electrical characteristics the following applies unless otherwise noted: v in = 5.0v. t a = 25c . bold values indicate ?40c t a 85c . parameter symbol condition min typ max units input voltage range v in 3.0 5.5 v total quiescent current (no load) i in 1.3 ma shutdown supply current i in v shdn = v in = 5.5v 1 10 a undervoltage lockout v uvlo high threshold, v in increasing 2.85 3.00 v low threshold, v in decreasing 2.65 2.75 v shutdown input voltage logic v shdn enable regulator 0.8 v disable regulator 2.0 v shutdown input current i shdn v shdn = gnd or 5.5v 1 a over-temperature thermal shutdown t ots t j increasing (disable regulator) 150 c t j decreasing (enable regulator) 120 c switching frequency f sw 1mhz line regulation i out = 2a 0.2 % v in = 3.0v to 5.5v load regulation i out = 0.2a to 2.0a 0.5 % line regulation ldo i out = 800 ma v in = 4.0v to 5.5v 0.2 % load regulation ldo i out = 10 ma to 800 ma 0.5 % input current ripple i in ripple v out = 0.8v i out = 2a (without external filter) 15 ma pk-pk input voltage ripple v in ripple 50 mv pk-pk output voltage accuracy 2 % output voltage noise i out = 2.0a v out = 1.8v 8.0 mv rms material rating flammability rating ul94v-0 material type fr4-pcb
copyright ? 2004 marvell doc. no. mv-s101948-00, rev. c august 26, 2004, advance document classifi cation: proprietary information page 15 electrical specifications startup waveforms 3.4 startup waveforms note: there is a delay (3.5 ms typ) before the output voltage turns on. the actual threshold is before delay. v ldo v buck v shdn start-up using th e shutdown pin 2v/div 500mv/div 2v/div v ldo v buck v shdn turn off using the shutdown pin 2v/div 500mv/div 2v/div 1 ms/div 1 ms/div v in = 5.0v t dly ~ 3.5 ms v in = 5.0v v ldo = 3.3v v ldo = 3.3v v buck = 1.2v v buck = 1.2v i load = no load i load = no load v ldo v buck v shdn enable threshold at v in = 3.0v 2v/div 1v/div 1v/div v ldo v buck v shdn enable threshold at v in = 5.0v 2v/div 1v/div 1v/div 100 ms/div 100 ms/div v in = 5.0v v th = 0.7v (note) v in = 5.0v v th = 0.9v (note) v ldo = 3.3v v ldo = 3.3v v buck = 1.2v v buck = 1.2v i load = 10 ma i load = 10 ma _ _ _ _ _ _ _ _ _ _ _ _
mdx-g15z/mdx-g16/mdx-g30z/mdx-g31 non isolated, step-down switching regulator module with anyvoltage? technology. single and dual output voltage up to 3 amps peak. doc. no. mv-s101948-00, rev. c copyright ? 2004 marvell page 16 document classification: proprie tary information august 26, 2004, advance v in v ldo v buck vin soft start 5v/div 2v/div 1v/div v in v ldo v buck vin hot plug 5v/div 2v/div 1v/div 2 ms/div 1 ms/div v in = 5.0v v in = 5.0v v ldo = 3.3v v ldo = 3.3v v buck = 1.2v v buck = 1.2v i load = no load i load = no load v out i ind g30 step-down output rise time 500mv/div 1a/div i ind g30 soft start current limit 1a/div 5 s/div 50 s/div v in = 5.0v v in = 5.0v v out = 1.2v v out = 3.3v i load = 500 ma _ _ _ _ _ _ _ _ _ _
copyright ? 2004 marvell doc. no. mv-s101948-00, rev. c august 26, 2004, advance document classifi cation: proprietary information page 17 electrical specifications startup waveforms v in v ldo v buck uvlo thresholds 2v/div 2v/div 2v/div 10 ms/div v in = 5.0v v hth = 2.966v v ldo = 3.3v v lth = 2.767v v buck = 1.2v i load = 10 ma _ _ _
mdx-g15z/mdx-g16/mdx-g30z/mdx-g31 non isolated, step-down switching regulator module with anyvoltage? technology. single and dual output voltage up to 3 amps peak. doc. no. mv-s101948-00, rev. c copyright ? 2004 marvell page 18 document classification: proprie tary information august 26, 2004, advance 3.5 load transient response waveforms 3.5.1 g30 step-down regulator v buck i load load transient response 100mv/div 2a/div v buck i load double-pulsed load response 100mv/div 2a/div 20 s/div 20 s/div v in = 5.0v i load = 0.2a to 2a v in = 5.0v i load = 0.2a to 2a v buck = 1.2v v buck = 1.2v v buck i load load transient response 100mv/div 2a/div v buck i load double-pulsed load response 100mv/div 2a/div 20 s/div 20 s/div v in = 5.0v i load = 0.2a to 2a v in = 5.0v i load = 0.2a to 2a v buck = 1.2v t rise ~ 6a/ sv buck = 1.2v t rise ~ 6a/ s additional c out = 22 ft fall ~ 129a/ s additional c out = 22 ft fall ~ 129a/ s 2 5 _ _ _ _ _ _ _ _
copyright ? 2004 marvell doc. no. mv-s101948-00, rev. c august 26, 2004, advance document classifi cation: proprietary information page 19 electrical specifications load transient response waveforms 3.5.2 ldo regulator v buck i load load transient response 100mv/div 2a/div v buck i load double-pulsed load response 100mv/div 2a/div 20 s/div 20 s/div v in = 5.0v i load = 0.2a to 2a v in = 5.0v i load = 0.2a to 2a v buck = 1.2v v buck = 1.2v additional c out = 2x22 f additional c out = 2x22 f v buck i load load transient response 50mv/div 1a/div 20 s/div v in = 5.0v i load = 0.2a to 0.8a v ldo = 3.3v 2 5 _ _ _ _ _ _
mdx-g15z/mdx-g16/mdx-g30z/mdx-g31 non isolated, step-down switching regulator module with anyvoltage? technology. single and dual output voltage up to 3 amps peak. doc. no. mv-s101948-00, rev. c copyright ? 2004 marvell page 20 document classification: proprie tary information august 26, 2004, advance 3.6 switching waveforms note: for repeatability of measuring output ripple (v out(p-p) ), the test procedure is to set the scope bandwidth to 20mhz and uses a coax cable with very short leads terminated into 50 ?. the coax leads must be routed away from the switching node as much as possible. v sw i ind v buck v in switching waveforms - ccm mode 5v/div 0.5a/div 5mv/div 100mv/div v sw v buck i ind switching waveforms - dcm mode 5v/div 20mv/div 500ma/div 500 ns/div 5 s/div v in = 5.0v v in(p-p) = 200.2 mv v in = 5.0v i ind(pk) = 670.4 ma v buck = 1.2v i ind(p-p) = 601.5 ma v buck = 1.2v freq = 185 khz i out = 2a i ind(pk) = 2.3a i out = 50 ma v out(p-p) = 6.3 mv (note) freq = 1 mhz v out(p-p) = 31.4 mv (20 mhz bw) v buck output ripple voltage 20mv/div v sw v buck i ind ringing frequency 5v/div 20mv/div 500ma/div 2 ms/div 1 ms/div v in = 5.0v v in = 5.0v v buck = 1.2v v buck = 1.2v i out = 2a i out = 50 ma v out(p-p) = 15.7 mv (note) ringing freq = 10 mhz _ _ _ _ _ _ _ _ _ _ _
copyright ? 2004 marvell doc. no. mv-s101948-00, rev. c august 26, 2004, advance document classifi cation: proprietary information page 21 electrical specifications efficiency 3.7 efficiency g30 efficiency vs. output current v in = 5.0v @ 25 c g30 efficiency vs. output current v in = 3.3v @ 25 c 50 60 70 80 90 100 00.5 11.52 output current (a) efficiency (%) 3.3v 2.5v 1.8v 1.5v 1.2v 1.0v 0.8v 50 60 70 80 90 100 00.511.52 output current (a) efficiency (%) 2.5v 1.8v 1.5v 1.2v 1.0v 0.8v
mdx-g15z/mdx-g16/mdx-g30z/mdx-g31 non isolated, step-down switching regulator module with anyvoltage? technology. single and dual output voltage up to 3 amps peak. doc. no. mv-s101948-00, rev. c copyright ? 2004 marvell page 22 document classification: proprie tary information august 26, 2004, advance this page left intentionally blank
copyright ? 2004 marvell doc. no. mv-s101948-00, rev. c august 26, 2004, advance document classifi cation: proprietary information page 23 mechanical drawings mechanical dimensions for mdx-g15z & mdx-g30z section 4. mechanical drawings 4.1 mechanical dimensions for mdx-g15z & mdx-g30z figure 7: mds-g15z & mds-g30z series mechanical dimensions 24.76mm 16.5mm max 3.5mm max 3.81mm 2.54mm 5.08mm 2.00mm pcb thru-hole pin cross section 0.635 mm 0.635 mm 1.200 mm (recommended) pcb thru-hole recommended dimensions (expanded top view) 1.27mm tollerance: .xx= +/-0.25 .xxx=+/-0.05 +/- 10 degree max
mdx-g15z/mdx-g16/m dx-g30z/mdx-g31 non isolated, step-down switching regulator module with anyvoltage? technology. single and dual output voltage up to 3 amps peak. doc. no. mv-s101948-00, rev. c copyright ? 2004 marvell page 24 document classification: proprie tary information august 26, 2004, advance figure 8: mdd-g15z & mds-g30z series mechanical dimensions side view component view 1 2 3 4 5 6 7 0.180(4.57)
copyright ? 2004 marvell doc. no. mv-s101948-00, rev. c august 26, 2004, advance document classifi cation: proprietary information page 25 mechanical drawings mechanical dimensions for mdx-g15z & mdx-g30z figure 9: mdt-g15z & mds-g30z series mech anical dimensions component view side view 6 3 2 1 7 4 5 0.216 (5.50)
mdx-g15z/mdx-g16/m dx-g30z/mdx-g31 non isolated, step-down switching regulator module with anyvoltage? technology. single and dual output voltage up to 3 amps peak. doc. no. mv-s101948-00, rev. c copyright ? 2004 marvell page 26 document classification: proprie tary information august 26, 2004, advance 4.2 mechanical dimensions for mdx-g16 & mdx-g31 figure 10: mds-g16 & mds-g31 series mechanical dimensions 20.32mm 12mm max 3.5mm max 3.81mm 2.54mm 5.08mm 2.00mm pcb thru-hole pin cross section 0.635 mm 0.635 mm 1.200 mm (recommended) pcb thru-hole recommended dimensions (expanded top view) 1.27mm +/- 10 degree max tollerance: .xx= +/-0.25 .xxx=+/-0.05
copyright ? 2004 marvell doc. no. mv-s101948-00, rev. c august 26, 2004, advance document classifi cation: proprietary information page 27 mechanical drawings mechanical dimensions for mdx-g16 & mdx-g31 figure 11: mdd-g16 & mds-g31 series mechanical dimensions 123 4 5 6 side view component view pin 1 shdn pin 4 vin pin 2 pset pin 5 gnd pin 3 vset pin 6 vout
mdx-g15z/mdx-g16/m dx-g30z/mdx-g31 non isolated, step-down switching regulator module with anyvoltage? technology. single and dual output voltage up to 3 amps peak. doc. no. mv-s101948-00, rev. c copyright ? 2004 marvell page 28 document classification: proprie tary information august 26, 2004, advance figure 12: mdt-g16 & mds-g31 series mech anical dimensions component view 23 4 5 1 6 side view pin 1 shdn pin 4 vin pin 2 pset pin 5 gnd pin 3 vset pin 6 vout
copyright ? 2004 marvell doc. no. mv-s101948-00, rev. c august 26, 2004, advance document classifi cation: proprietary information page 29 ordering information ordering part numbers and package markings section 5. ordering information 5.1 ordering part numbers and package markings figure 13 shows the ordering part numbering scheme for the mds-g31 part. markings for the other variants are similar. for complete ordering information, contact your marvell? fae or sales representative. figure 13: mdx-g15z & mdx-g30z sample ordering part number figure 14: mdx-g16 & mdx-g31 sample ordering part number mdxg15z - xx module part number s - sip, d-dip, t-smt package code board revision e.g., a0 = 1st revision voltage option ldo b = 3.3v, e = 2.5v g15 g30 mdxg16 - xx module part number board revision e.g., a0 = 1st revision s - sip, d-dip, t-smt package code g16 g31
mdx-g15z/mdx-g16/mdx-g30z/mdx-g31 non isolated, step-down switching regulator module with anyvoltage? technology. single and dual output voltage up to 3 amps peak. doc. no. mv-s101948-00, rev. c copyright ? 2004 marvell page 30 document classification: proprie tary information august 26, 2004, advance the standard ordering part number for the respective solutions are shown in ta b l e 2 . table 2: ordering part numbers part number marking switcher output voltage ldo output voltage output current ambient temperature range 1 1. the device is guaranteed to meet specifications from 0c to 70c. an y specifications that pertains to the operating temperature range -40 c to 85c are assured by design, characterization, and correla- tion with statistical process controls. package mds-g15b-yy 2 2. yy is the revision number of the part. b0 programmable 3.3v 1.5a -40 c to 85 c8-pin sip mds-g15e-yy 2 e0 programmable 2.5v 1.5a -40 c to 85 c8-pin sip mdd-g15b-yy 2 b0 programmable 3.3v 1.5a -40 c to 85 c7-pin dip mdd-g15e-yy 2 e0 programmable 2.5v 1.5a -40 c to 85 c7-pin dip mdt-g15b-yy 2 b0 programmable 3.3v 1.5a -40 c to 85 c7-pin smt mdt-g15e-yy 2 e0 programmable 2.5v 1.5a -40 c to 85 c7-pin smt mds-g16-yy 2 -- programmable -- 1.5a -40 c to 85 c7-pin sip mdd-g16-yy 2 -- programmable -- 1.5a -40 c to 85 c6-pin dip MDT-G16-YY 2 -- programmable -- 1.5a -40 c to 85 c6-pin smt mds-g30b-yy 2 b0 programmable 3.3v 3.0a -40 c to 85 c8-pin sip mds-g30e-yy 2 e0 programmable 2.5v 3.0a -40 c to 85 c8-pin sip mdd-g30b-yy 2 b0 programmable 3.3v 3.0a -40 c to 85 c7-pin dip mdd-g30e-yy 2 e0 programmable 2.5v 3.0a -40 c to 85 c7-pin dip mdt-g30b-yy 2 b0 programmable 3.3v 3.0a -40 c to 85 c7-pin smt mdt-g30e-yy 2 e0 programmable 2.5v 3.0a -40 c to 85 c7-pin smt mds-g31-yy 2 -- programmable -- 3.0a -40 c to 85 c7-pin sip mdd-g31-yy 2 -- programmable -- 3.0a -40 c to 85 c6-pin dip mdt-g31-yy 2 -- programmable -- 3.0a -40 c to 85 c6-pin smt
copyright ? 2004 marvell doc. no. mv-s101948-00, rev. c august 26, 2004, advance document classifi cation: proprietary information page 31 ordering information ordering part numbers and package markings figure 15 shows a typical package marking for the mdx-g15z part. markings for the other variant is similar. figure 15: mdx-g15z package marking and pin 1 location figure 16 shows a typical package marking for the mdx-g15z part. markings for the other variant is similar. figure 16: mdx-g16 package marking and pin 1 location logo pin 1 g15z part number b0 a0 y ww @ work week last digit of the year assembly plant code die revision ldo output voltage logo pin 1 g16 part number a0 y ww @ work week last digit of the year assembly plant code die revision
us and worldwide offices marvell semiconductor, inc. 700 first avenue sunnyvale, ca 94089 tel: 1.408.222.2500 fax: 1.408.752.9028 marvell asia pte, ltd. 151 lorong chuan, #02-05 new tech park singapore 556741 tel: 65.6756.1600 fax: 65.6756.7600 marvell japan k.k. shinjuku center bldg. 50f 1-25-1, nishi-shinjuku, shinjuku-ku tokyo 163-0650 tel: 81.(0).3.5324.0355 fax: 81.(0).3.5324.0354 marvell semiconductor israel, ltd. moshav manof d.n. misgav 20184 israel tel: 972.4.999.9555 fax: 972.4.999.9574 worldwide sales offices western us sales office marvell 700 first avenue sunnyvale, ca 94089 tel: 1.408.222.2500 fax: 1.408.752.9028 sales fax: 1.408.752.9029 central us sales office marvell 11709 boulder lane, ste. #220 austin, tx 78726 tel: 1.512.336.1551 fax: 1.512.336.1552 eastern us/canada sales office marvell parlee office park 1 meeting house road, suite 1 chelmsford, ma 01824 tel: 978 250-0588 fax: 978 250-0589 europe sales office marvell 3 clifton court corner hall hemel hempstead hertfordshire, hp3 9xy united kingdom tel: 44.(0).1442.211668 fax: 44.(0).1442.211543 israel sales office marvell ofek center bldg. 2, floor 2 northern industrial zone lod 71293 israel tel: 972.8.924.7555 fax: 972.8.924.7554 china sales office marvell 5j, 1800 zhongshan west road shanghai, china 200233 tel: 86.21.6440.1350 fax: 86.21.6440.0799 japan sales office marvell shinjuku center bldg. 50f 1-25-1, nishi-shinjuku, shinjuku-ku tokyo 163-0650 tel: 81.(0).3.5324.0355 fax: 81.(0).3.5324.0354 taiwan sales office marvell 2fl., no. 1, alley 20, lane 407 ti-ding blvd., nei hu district taipei, taiwan 114, r. o. c tel: (886-2).8177.7071 fax: (886-2).8752.5707 copyright ? 2004. marvell international ltd. all rights reserv ed. marvell, the marvell logo, moving forward faster, alaska, fastwriter, galnet, phyadvantage and prestera are registered trademarks of marvell. discovery, dsp switcher, galtis, horizon, libertas, link street, netgx, r adlan, raising the tech- nology bar, the technology within, unimac, virtual cable tester, and yukon are trademarks of marvell. all other trademarks are the property of their re- spective owners. marvell semiconductor, inc. 700 first avenue sunnyvale, ca 94089 phone 408.222.2500 fax 408.752.9028 www.marvell.com for more information, visit our website at: www.marvell.com

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