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LTM4639 Datasheet(PDF) 2 Page - Linear Technology |
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LTM4639 Datasheet(HTML) 2 Page - Linear Technology |
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2 / 32 page  LTM4639 2 4639f For more information www.linear.com/LTM4639 PIN CONFIGURATION ABSOLUTE MAXIMUM RATINGS VIN, CPWR, OT_TEST .................................. –0.3V to 10V VOUT_LCL, PGOOD, EXTVCC.......................... –0.3V to 6V MODE_PLLIN, fSET, TRACK/SS, VOSNS–, VOSNS+, DIFF_OUT...................–0.3V to INTVCC VFB, COMPA, COMPB (Note 7) ................. –0.3V to 2.7V RUN (Note 5) ............................................... –0.3V to 5V INTVCC Peak Output Current (Note 6)..................100mA Internal Operating Temperature Range (Note 2).................................................. –40°C to 125°C Storage Temperature Range .................. –55°C to 125°C Maximum Peak Body Reflow Temperature ........... 245°C (Note 1) ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VIN Range Input DC Voltage Range VIN < 4.5V, CPWR Bias l 2.375 7 V CPWR Voltage 4.5 5 6 V VOUT Range Output DC Voltage Range l 0.6 5.5 V VOUT(DC) Output Voltage, Total Variation with Line and Load CIN = 22µF × 3, CPWR = 5V COUT = 100µF Ceramic, 470µF POSCAP RFB = 40.2k, MODE_PLLIN = GND VIN = 2.375V to 7V, IOUT = 0A to 20A (Note 4) l 1.477 1.50 1.523 V The l denotes the specifications which apply over the specified internal operating temperature range (Note 2), otherwise specifications are at TA = 25°C. VIN = 3.3V, CPWR = 5V, per the typical application in Figure 22. ORDER INFORMATION BGA PACKAGE 133-LEAD (15mm × 15mm × 4.92mm) VIN 1 2 3 4 5 6 7 8 10 9 11 12 B C D E F G H J K L A M INTVCC fSET COMPA TRACK/SS MODE_PLLIN INTVCC TOP VIEW SGND VOUT VIN GND TEMP+ TEMP– EXTVCC VFB PGOOD PGOOD CPWR OT_TEST RUN VOSNS+ DIFF_OUT VOUT_LCL VOSNS– COMPB 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 4 LAYERS; WEIGHT = 2.8g θ VALUES DETERMINED PER JESD51-12 PART NUMBER PAD OR BALL FINISH PART MARKING* PACKAGE TYPE MSL RATING TEMPERATURE RANGE (SEE NOTE 2) DEVICE FINISH CODE LTM4639EY#PBF SAC305 (RoHS) LTM4639Y e1 BGA 4 –40°C to 125°C LTM4639IY#PBF LTM4639Y LTM4639IY SnPb (63/37) LTM4639Y e0 BGA 4 –40°C to 125°C • Consult Marketing for parts specified with wider operating temperature ranges. *Pad or ball finish code is per IPC/JEDEC J-STD-609. • Terminal Finish Part Marking: www.linear.com/leadfree • Recommended LGA and BGA PCB Assembly and Manufacturing Procedures: www.linear.com/umodule/pcbassembly • LGA and BGA Package and Tray Drawings: www.linear.com/packaging |
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