LTM8049 datasheet(2/34 Pages) LINER

2 / 34 page

LTM4651

4651f

For more information www.linear.com/LTM4651

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

Terminal Voltages

VIN, VD, SVIN, SW, PGND, GNDSNS, ISETa ..–0.3V to 60V

GND, EXTVCC ........................................ –0.3V to 28V

RUN .................................GND – 0.3V to VOUT– + 60V

INTVCC, PGDFB, VINREG, COMPa .......... –0.3V to 4V

fSET ..................................................–0.3V to INTVCC

COMPb ................................................... –0.3V to 5V

ISETb .................................................... –0.3V to 28V

CLKIN, PGOOD (Relative to GND) ........... –0.3V to 6V

Terminal Currents

INTVCC Peak Output Current (Note 8)................30mA

TEMP+..................................................–1mA to 10mA

TEMP– .................................................–10mA to 1mA

Temperatures

Internal Operating Temperature

Range (Notes 2, 7).......................... –40°C to 125°C

Storage Temperature Range .............. –55°C to 125°C

Peak Solder Reflow Package

Body Temperature ............................................ 245°C

(Note 1) (All Voltages Relative to VOUT– Unless Otherwise Indicated)

TOP VIEW

BGA PACKAGE

77-PIN (15mm

× 9mm × 5.01mm)

VIN

PGND

TEMP–

VOUT–

GND

SVIN

VINREG

SVOUT–

fSET

RUN

PGOOD PGDFB

CLKIN

VOUT–

SVOUT–

GNDSNS

EXTVCC

INTVCC

COMPb COMPa

ISETb ISETa

TEMP+

TEMP–

TEMP+

TJMAX = 125°C

θJCtop = 22.4°C/W, θJCbottom = 7.9°C/W, θJB = 9.6°C/W, θJA = 20.8°C/W

θ VALUES DETERMINED PER JESD51-12

WEIGHT = 1.8 GRAMS

ORDER INFORMATION

PART NUMBER

PAD OR BALL FINISH

PART MARKING*

PACKAGE

TYPE

MSL

RATING

TEMPERATURE RANGE

(SEE NOTE 2)

DEVICE

FINISH CODE

LTM4651EY#PBF

SAC305 (RoHS)

LTM4651Y

BGA

–40°C to 125°C

LTM4651IY#PBF

–40°C to 125°C

LTM4651IY

SnPb (63/37)

–40°C to 125°C

• Device temperature grade is indicated by a label on the shipping container.

• Pad or ball finish code is per IPC/JEDEC J-STD-609.

• Terminal Finish Part Marking: www.linear.com/leadfree

• This product is not recommended for second side reflow. For more

information, go to www.linear.com/BGA-assy

• Recommended BGA PCB Assembly and Manufacturing Procedures:

www.linear.com/BGA-assy

• BGA Package and Tray Drawings: www.linear.com/packaging

• This product is moisture sensitive. For more information, go to:

www.linear.com/BGA-assy

http://www.linear.com/product/LTM4651#orderinfo

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