LTM8028 absoluTe MaxiMuM raTingspin conFiguraTion(Notes 1, 4) V TOP VIEW IN ..40V VOUT ..3V 11 BANK 1 VOUT BANK 2 RUN, SS, SYNC ..6V 10 BKV Current Into RUN ..100μA 9 SENSEP VOB, VO0, VO1, VO2, TEST, 8 TEST PGOOD, SENSEP, MARGA ...4V 7 MARGA RT, BKV, I BANK 3 GND PGOOD MAX ...3V 6 VO0 Maximum Operating Junction Temperature VO1 5 VO2 (Note 2) ... 125°C VOB 4 Peak Solder Reflow Body Temperature ... 245°C 3 Maximum Storage Temperature .. 125°C 2 SS SYNC BANK 4 VIN 1 IMAX RT RUN A B C D E F G H J K L BGA PACKAGE 114 PADS (15mm × 15mm × 4.92mm) TJMAX = 125°C, θJA = 17.7°C/W, θJB = 6.0°C/W, θJCtop = 15°C/W, θJCbottom = 6.0°C/W θ VALUES DETERMINED PER JEDEC 51-9, 51-12 WEIGHT = 1.8 GRAMS orDer inForMaTionPART NUMBERPAD OR BALL FINISHPART MARKING*PACKAGEMSLTEMPERATURE RANGETYPERATING(Note 2)DEVICEFINISH CODE LTM8028EY#PBF SAC305 (RoHS) LTM8028Y e1 BGA 3 –40°C to 125°C LTM8028IY#PBF SAC305 (RoHS) LTM8028Y e1 BGA 3 –40°C to 125°C LTM8028IY SnPb (63/37) LTM8028Y e0 BGA 3 –40°C to 125°C LTM8028MPY#PBF SAC305 (RoHS) LTM8028Y e1 BGA 3 –55°C to 125°C LTM8028MPY SnPb (63/37) LTM8028Y e0 BGA 3 –55°C to 125°C Consult Marketing for parts specified with wider operating temperature • Recommended LGA and BGA PCB Assembly and Manufacturing ranges. *Device temperature grade is indicated by a label on the shipping Procedures: container. Pad or ball finish code is per IPC/JEDEC J-STD-609. www.linear.com/umodule/pcbassembly • Pb-free and Non-Pb-free Part Markings: • LGA and BGA Package and Tray Drawings: www.linear.com/leadfree www.linear.com/packaging elecTrical characTerisTicsThe l denotes the specifications which apply over the full internaloperating temperature range, otherwise specifications are at TA = 25°C. VIN = 12V, RUN = 3V unless otherwise noted. (Note 2) PARAMETERCONDITIONSMINTYPMAXUNITS Minimum Input Voltage 6 V Output DC Voltage l 0.788 0.8 0.812 V l 0.985 1.0 1.015 V l 1.182 1.2 1.218 V l 1.477 1.5 1.523 V l 1.773 1.8 1.827 V Output DC Current VOUT = 1.8V 5 A 8028fb 2 For more information www.linear.com/LTM8028 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Package Photo Revision History Typical Application Related Parts