LTM4606 Ultralow EMI 28V , 6A IN DC/DC Module Regulator FEATURES DESCRIPTION n Complete Low EMI Switch Mode Power Supply The LTM 4606 is a complete EN55022 Class B certified n Wide Input Voltage Range: 4.5V to 28V noise high voltage 6A switching mode DC/DC power sup- n 6A DC Typical, 8A Peak Output Current ply. Included in the package are the switching control- n 0.6V to 5V Output Voltage Range ler, power FETs, inductor, and all support components. n The on-board input filter and noise cancellation circuits EN55022 Class B Certified n achieve low noise operation, thus effectively reducing Output Voltage Tracking and Margining n the electromagnetic interference (EMI). Operating over PLL Frequency Synchronization n an input voltage range of 4.5V to 28V, the LTM4606 sup- 1.75% Total DC Error n ports an output voltage range of 0.6V to 5V, set by a single Power Good Output n resistor. This high efficiency design delivers 6A continu- Current Foldback Protection (Disabled at Start-Up) ous current (8A peak). Only bulk input and output capaci- n Parallel/Current Sharing tors are needed to finish the design. n Current Mode Control n Up to 93% Efficiency at 5V , 3.3V IN OUT High switching frequency and an adaptive on-time current n Programmable Soft-Start mode architecture enables a very fast transient response n Output Overvoltage Protection to line and load changes without sacrificing stability. The n 55C to 125C Operating Temperature Range device supports output voltage tracking and output volt- (LTM4606MP) age margining. n SnPb or RoHS Compliant Finish Furthermore, the Module regulator can be synchronized n 15mm 15mm 2.82mm LGA Package with an external clock for reducing undesirable frequency 15mm 15mm 3.42mm BGA Package harmonics and allows PolyPhase operation for high load currents. APPLICATIONS The LTM4606 is offered in space saving 15mm 15mm 2.82mm LGA and 15mm 15mm 3.42mm BGA pack- n ASICs or FPGA Transceivers ages. The LTM4606 is available with SnPb (BGA) or RoHS n Telecom, Servers and Networking Equipment compliant terminal finish. n Industrial Equipment All registered trademarks and trademarks are the property of their respective owners. Protected n RF Equipment by U.S. patents, including 5481178, 5847554, 6304066, 6476589, 6580258, 6677210, 6774611, 8163643. Radiated Emission Scan at 12V , 2.5V /6A TYPICAL APPLICATION IN OUT 50 Ultralow Noise 2.5V/6A Power Supply with 4.5V to 28V Input 40 4.5V TO 28V CLOCK SYNC 30 V PLLIN IN 2.5V AT 6A 20 V PGOOD OUT LTM4606 47pF ON/OFF RUN 10 C OUT V COMP FB R FB C 0 IN INTV CC 19.1k 10F FCB DRV CC 35V 10 MARG0 CERAMIC f MARGIN SET TRACK/SS CONTROL 20 x2 MARG1 TRACK/SS CONTROL MPGM V D 30 392k 10F SGND PGND 5% MARGIN 35V 30 226.2 422.4 618.6 814.8 1010 128.1 324.3 520.5 716.7 912.9 4606 TA01a FREQUENCY (MHz) 4606 TA01b Rev. E 1 Document Feedback For more information www.analog.com SIGNAL AMPLITUDE (dBV/m)LTM4606 ABSOLUTE MAXIMUM RATINGS (Note 1) DRV , V ................................................ 0.3V to 6V Internal Operating Temperature Range (Note 2) CC OUT PLLIN, FCB, TRACK/SS, MPGM, MARG0, E and I Grades ................................... 40C to 125C MARG1, PGOOD, RUN ..............0.3V to INTV + 0.3V MP Grade ........................................... 55C to 125C CC V , COMP ................................................ 0.3V to 2.7V Junction Temperature ........................................... 125C FB V , V ....................................................... 0.3V to 28V Storage Temperature Range .................. 55C to 125C IN D PIN CONFIGURATION TOP VIEW TOP VIEW V V IN IN f f SET SET BANK 1 BANK 1 V V D D MARG0 MARG0 SGND MARG1 SGND MARG1 DRV DRV CC CC PGND PGND V V FB FB BANK 2 BANK 2 PGOOD PGOOD SGND SGND NC NC V NC NC OUT V OUT BANK 3 BANK 3 NC NC FCB FCB BGA PACKAGE LGA PACKAGE 133-LEAD (15mm 15mm 3.42mm) 133-LEAD (15mm 15mm 2.82mm) T = 125C, = 15C/W, = 6C/W, = 16C/W T = 125C, = 15C/W, = 6C/W, = 16C/W JMAX JA JCbottom JCtop JMAX JA JCbottom JCtop DERIVED FROM 95mm 76mm PCB WITH 4 LAYERS DERIVED FROM 95mm 76mm PCB WITH 4 LAYERS JA JA WEIGHT = 1.9g WEIGHT = 1.7g ORDER INFORMATION PART MARKING* PACKAGE MSL TEMPERATURE RANGE PART NUMBER PAD OR BALL FINISH DEVICE FINISH CODE TYPE RATING (Note 2) LTM4606EV PBF Au (RoHS) LTM4606V e4 LGA 3 40C to 125C LTM4606IV PBF Au (RoHS) LTM4606V e4 LGA 3 40C to 125C LTM4606MPV PBF Au (RoHS) LTM4606MPV e4 LGA 3 55C to 125C LTM4606EY PBF SAC305 (RoHS) LTM4606Y e1 BGA 3 40C to 125C LTM4606IY PBF SAC305 (RoHS) LTM4606Y e1 BGA 3 40C to 125C LTM4606IY SnPb (63/37) LTM4606Y e0 BGA 3 40C to 125C LTM4606MPY PBF SAC305 (RoHS) LTM4606Y e1 BGA 3 55C to 125C LTM4606MPY SnPb (63/37) LTM4606Y e0 BGA 3 55C to 125C Contact the factory for parts specified with wider operating Recommended LGA and BGA PCB Assembly and Manufacturing Procedures temperature ranges. *Pad or ball finish code is per IPC/JEDEC LGA and BGA Package and Tray Drawings J-STD-609. Rev. E 2 For more information www.analog.com INTV CC PLLIN TRACK/SS RUN COMP MPGM INTV CC PLLIN TRACK/SS RUN COMP MPGM