LTM4650-1 Dual 25A or Single 50A Module Regulator with 0.8% DC and 3% Transient Accuracy Fea T Descrip T n 0.8% Maximum Total DC Output Error Over Line The LTM 4650-1A/LTM4650-1B is dual 25A or single 50A and Load (LTM4650-1A) output step-down Module (power module) regulator n 3% Transient Output Error with Minimum with 0.8% (LTM4650-1A) and 1.5% (LTM4650-1B) OutputCapacitance total DC output error with 3% transient output error. n Dual 25A or Single 50A Output Included in the package are the switching controller, n 4.5V to 15V Input, 0.6V to 1.8V Output Voltage Range power FETs, inductors, and all supporting components. n Differential Remote Sense Amplifier External compensation allows for fast transient response n Current Mode Control/Fast Transient Response to minimize output capacitance when powering FPGAs, n Current Sharing Up to 300A ASICs, and processors. With synchronized multiphase n 16mm 16mm 5.01mm BGA Package parallel current sharing, six LTM4650-1 devices can de- liver up to 300A. The LTM4650-1 is offered in a 16mm 16mm 5.01 BGA package, with SnPb (BGA) or RoHS a T compliant terminal finish. n FPGA, ASIC, Processor Core Voltage Regulation L, LT, LTC, LTM, Linear Technology, the Linear logo, Module, Burst Mode, LTpowerCAD and n Information, Communication Systems PolyPhase are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. Protected by U.S. Patents, including 5481178, 5705919, 5929620, 6100678, 6144194, 6177787, 6304066 and 6580258. Other patents pending. Typical a T 50A, 1.0V Output DC/DC Module Regulator 1.0V Output Efficiency, f = 500kHz SW 95 V IN V V IN OUT1 4.5V TO 220F 22F 120k 15V * CERAMIC 25V 90 4V 4 TEMP DIFFOUT 6 RUN1 V OUTS2 85 68pF RUN2 V FB1 LTM4650-1 TRACK1 V FB2 80 TRACK2 COMP1 90.9k 0.1F INTV COMP2 3.24k CC 75 10k 4.7F 10nF PGOOD1 70 V = 12V IN PINS NOT USED DIFFP PGOOD2 V V = 5V OUT2 IN IN THIS CIRCUIT: V 1.0V f OUT2 65 SET CLKOUT 50A 0 10 20 30 40 50 EXTV CC 121k PHASMD SGND GND MODE PLLIN DIFFN LOAD CURRENT (A) SW1 46501 TA01b SW2 46501 TA01a V OUTS1 25% Load Step Transient Response, 3% Output Regulation Window. 12V , 1.0V , 50A with 6x 220F Ceramic Cap IN OUT V OUT 20mV/DIV 54mV AC-COUPLED LOAD STEP 12.5A STEP 10A/DIV 46501 TA01c *SEE DEMO CIRCUIT DC2479A-B 50s/DIV 46501fc 1 For more information www.linear.com/LTM4650-1 EFFICIENCY (%) ion pplica ions pplica ion uresLTM4650-1 a Te Maxi Mu M r a T p in c F T (Note 1) TOP VIEW V ..............................................................0.3V to 16V IN TEMP EXTV CC V , V ....................................................1V to 16V SW1 SW2 M PGOOD1, PGOOD2, RUN1, RUN2, L V IN INTV , EXTV .......................................... 0.3V to 6V CC CC K MODE PLLIN, f , TRACK1, TRACK2, SET J DIFFOUT, PHASMD ............................... 0.3V to INTV CC INTV H CC CLKOUT SW2 SW1 V , V , V , V (Note 6) ........ 0.3V to 6V OUT1 OUT2 OUTS1 OUTS2 G PGOOD1 PGOOD2 PHASMD RUN1 SGND DIFFP, DIFFN ......................................... 0.3V to INTV CC RUN2 F MODE PLLIN DIFFOUT GND COMP1 COMP2 INTV Peak Output Current ................................100mA CC DIFFP E DIFFN TRACK1 V SGND FB2 TRACK2 GND Internal Operating Temperature Range V FB1 D V f SET SGND OUTS2 (Note 2) ............................................. 40C to 125C C V OUTS1 Storage Temperature Range .................. 55C to 125C B V V OUT1 GND OUT2 Peak Package Body Temperature .......................... 245C A 1 2 3 4 5 6 7 8 9 10 11 12 BGA PACKAGE 144-LEAD (16mm 16mm 5.01mm) T = 125C, = 7C/W, = 1.5C/W, JMAX JA JCbottom = 3.7C/W, + 7C/W JCtop JB JBA VALUES DEFINED PER JESD 51-12 WEIGHT = 3.5g o r Der i n F Ma T