LTM4671 Quad DC/DC Module Regulator with Configurable Dual 12A, Dual 5A Output Array FEATURES DESCRIPTION n Quad Output Step-Down Module Regulator with The LTM 4671 is a quad DC/DC step-down Module Dual 12A and Dual 5A Output (micromodule) regulator offering dual 12A and dual 5A n Wide Input Voltage Range: 3.1V to 20V output. Included in the package are the switching control- n Dual 12A DC Output from 0.6V to 3.3V lers, power FETs, inductors and support components. n Dual 5A DC Output from 0.6V to 5.5V Operating over an input voltage range of 3.1V to 20V, the n Up to 7W Power Dissipation (T = 60C, 200LFM, A LTM4671 supports an output voltage range of 0.6V to No Heat Sink) 3.3V for two 12A channels and 0.6V to 5.5V for two 5A n 1.5% Total Output Voltage Regulation channels, each set by a single external resistor. Only bulk n Dual Differential Sensing Amplifier input and output capacitors are needed. n Current Mode Control, Fast Transient Response Fault protection features include overvoltage, overcurrent n Parallelable for Higher Output Current and overtemperature protection. The LTM4671 is offered n Selectable Burst Mode Operation in 9.5mm 16mm 4.72mm BGA package. n Output Voltage Tracking n Internal Temperature Sensing Diode Output Configurable Output Array* n External Frequency Synchronization 12A 12A 24A 24A n Overvoltage, Current and Temperature Protection 12A 12A n 5A 5A 9.5mm 16mm 4.72mm BGA Package 10A 10A 5A 5A * Note 4 APPLICATIONS All registered trademarks and trademarks are the property of their respective owners. n Multirail Point-of-Load Regulation n FPGAs, DSPs and ASICs Applications TYPICAL APPLICATION 4V to 20V Input, 12A, 12A, 5A, 5A DC/DC Step-Down Module Regulator 12V Efficiency vs Load Current IN 100 V V V V IN IN OUT0 OUT0 + C C VOSNS0 OUT0 5V TO 20V 1.2V/12A IN SV IN0 100F 4 22F VOSNS0 SV 95 IN3 60.4k 2 FB0 RUN0 RUN1 90 V V OUT1 RUN2 OUT1 + VOSNS1 2.5V/5A RUN3 C 19.1k OUT1 FB1 47F 85 COMP0a COMP0b LTM4671 V OUT2 V OUT2 + COMP1 80 VOSNS2 3.3V/5A C COMP2 13.3k OUT2 FB2 V = 1.0 47F OUT COMP3a V = 1.2 75 OUT COMP3b V V = 2.5 OUT3 V OUT OUT3 + C VOSNS3 TRACK/SS0 OUT3 V = 3.3 1.0V/12A OUT 100F 4 VOSNS3 70 TRACK/SS1 0.1F 90.9k 0 2 4 6 8 10 12 TRACK/SS2 FB3 0.1F LOAD CURRENT (A) TRACK/SS3 0.1F 4671 TA01b TMON GND 0.1F 4671 TA01a Rev. B 1 Document Feedback For more information www.analog.com EFFICIENCY (%)LTM4671 ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1) (See Pin Functions, Component BGA Pinout Table) V , SV , SV ........................................ 0.3V to 22V IN IN0 IN3 TOP VIEW V , V ............................................. 0.3V to 3.6V OUT0 OUT3 + TSENSE0 TSENSE0 V , V ................................................ 0.3V to 6V A OUT1 OUT2 INTV , INTV , INTV , ................... 0.3V to 3.6V CC0 CC12 CC3 B FREQ0, FREQ12, FREQ3, ........................... 0.3V to 3.6V V OUT0 FB0, FB1, FB2, FB3, ................................... 0.3V to 3.6V C COMP0a, COMP0b, COMP3a, COMP3b, D COMP1, COMP2, ................................... 0.3V to 3.6V V IN PHMODE0 INTV SV CLKOUT0 PGOOD0 GND CC0 IN0 RUN0, RUN1, RUN2, RUN3 ........................ 0.3V to 22V E TRACK/SS0, TRACK/SS1, TRACK/SS2, VOSNS0 TRACK/SS0 FREQ0 RUN0 F TRACK/SS3, ......................................... 0.3V to 3.6V MODE/ GND GND + TRACK/SS1 VOSNS0 FB0 GND CLKIN0 PGOOD0, PGOOD1, PGOOD2, PGOOD3, ... 0.3V to 3.6V G + + VOSNS0 , VOSNS0 , VOSNS3 , PGOOD1 FB1 COMP0aCOMP0a COMP0b H VOSNS3 , ............................................. 0.3V to 3.6V V OUT1 GND GND RUN1 VOSNS1 COMP1 VOSNS1, VOSNS2 ........................................ 0.3V to 6V V J IN + + TSENSE0 , TSENSE0 , TSENSE3 , TMON INTV FREQ12 CC12 K GND GND TSENSE3 ............................................. 0.3V to 0.8V MODE/ GND GND RUN2 CLKIN12 VOSNS2 TMON ....................................................... 0.3V to 3.6V L V IN V OUT2 GND MODE/CLKIN0, CLKOUT0, MODE/CLKIN3, PGOOD2 FB2 COMP2 M CLKOUT3, MODE/CLKIN12 ................... 0.3V to 3.6V TRACK/ + SS2 COMP3b COMP3a FB3 VOSNS3 Operating Junction Temperature (Note 2) 40C to 125C N TRACK/ GND GND Storage Temperature Range .................. 55C to 125C CLKOUT3 RUN3 FREQ3 SS3 VOSNS3 GND P Peak Solder Reflow Body Temperature ................. 245C MODE/ INTV PHMODE3 PGOOD3 CLKIN3 SV CC3 IN3 R V IN T V GND OUT3 U GND V + GND TSENSE3 TSENSE3 W 1 2 3 4 5 6 7 8 9 10 11 BGA PACKAGE 209-LEAD (9.5mm 16mm 4.72mm) T = 125C, = 12.8C/W, = 1.5C/W, = 12C/W JMAX JCTOP JCBOTTOM JA VALUES DETERMINED PER JESD51-12 WEIGHT: 1.94g Rev. B 2 For more information www.analog.com