LTM4645 absoluTe MaxiMuM raTingspin conFiguraTion(Note 1) V TOP VIEW IN, SVIN, HIZB .. –0.3V to 16V 1 2 3 4 5 6 7 VOUT, ... –0.3V to 3.5V GND GND RUN GND INTV A CC, DRVCC, PGOOD, RUN ... –0.3V to 6V VIN PWM CLKOUTTEST1 MODE/PLLIN, TRACK/SS, V + – OSNS , VOSNS , B MODE/PLLIN DRV INTV CLKOUT, COMPa, COMPb, V CC CC FB, PHASMD, C PHASMD FREQ ..–0.3V to INTV TEST2 SVIN CC D FREQ Operating Junction Temperature (Note 2) .. –40 to 125°C GND HIZB V TEMP– FB E SGND TRACK/SS Storage Temperature Range .. –55 to 125°C SW GND TEMP+ F TEST3 Peak Solder Reflow Body Temperature ... 250°C V – OSNS V + OSNS G PGOOD TEMP+, TEMP– .. –0.3V to 0.8V GND COMPa H COMPb J VOUT GND K L BGA PACKAGE 77-LEAD (9mm × 15mm × 3.51mm) TJ(MAX) = 125°C, θJA = 9.5°C/W, θJCbottom = 4°C/W, θJCtop = 6.7°C/W, θJB = 4.5°C/W θJA DERIVED FROM 95mm × 76mm PCB WITH SIX LAYERS; WEIGHT = 1.3g θ VALUES DETERMINED PER JESD51-12 orDer inForMaTion http://www.linear.com/product/LTM4645#orderinfoPART MARKING*PACKAGEMSLTEMPERATURE RANGEPART NUMBERPAD OR BALL FINISHDEVICEFINISH CODETYPERATING(Note 2) LTM4645EY#PBF SAC305 (RoHS) LTM4645Y e1 BGA 3 –40°C to 125°C LTM4645IY#PBF SAC305 (RoHS) LTM4645Y e1 BGA 3 –40°C to 125°C LTM4645IY SnPb (63/37) LTM4645Y e0 BGA 3 –40°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 • Terminal Finish Part Marking: • LGA and BGA Package and Tray Drawings: www.linear.com/leadfree www.linear.com/packaging 4645f 2 For more information www.linear.com/LTM4645 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Decoupling Requirements Operation Applications Information Typical Applications Package Description Package Photo Design Resources Related Parts
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