LTM4620 datasheet(2/34 Pages) LINER

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LTM4650

4650fb

For more information www.linear.com/LTM4650

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

VIN ..............................................................–0.3V to 16V

VSW1, VSW2....................................................–1V to 16V

PGOOD1, PGOOD2, RUN1, RUN2,

INTVCC, EXTVCC .......................................... –0.3V to 6V

MODE_PLLIN, fSET, TRACK1, TRACK2,

DIFFOUT, PHASMD ............................... –0.3V to INTVCC

VOUT1, VOUT2, VOUTS1, VOUTS2 ..................... –0.3V to 6V

DIFFP, DIFFN ......................................... –0.3V to INTVCC

COMP1, COMP2, VFB1, VFB2 (Note 5)........ –0.3V to 2.7V

INTVCC Peak Output Current................................100mA

Internal Operating Temperature Range

(Note 2) ............................................. –40°C to 125°C

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

Peak Package Body Temperature.......................... 245°C

(Note 1)

BGA PACKAGE 144-LEAD (16mm

× 16mm × 5.01mm)

TOP VIEW

TEMP

CLKOUT

SW1

PHASMD

EXTVCC

SW2

PGOOD1

PGOOD2

RUN2

TRACK2

INTVCC

VOUTS2

DIFFP

DIFFOUT

DIFFN

RUN1

TRACK1

MODE_PLLIN

VFB1

VOUTS1

fSET

SGND

COMP1 COMP2

SGND

VFB2

VOUT2

GND

SGND

GND

TJMAX = 125°C, θJA = 7°C/W, θJCbottom = 1.5°C/W, θJCtop = 3.7°C/W, θJB + θJBA ≅ 7°C/W

θ VALUES DEFINED PER JESD 51-12

WEIGHT = 3.2g

PART NUMBER

PAD OR BALL FINISH

PART MARKING*

PACKAGE

TYPE

MSL

RATING

TEMPERATURE RANGE

(Note 2)

DEVICE

FINISH CODE

LTM4650EY#PBF

SAC305 (RoHS)

LTM4650Y

BGA

–40°C to 125°C

LTM4650IY#PBF

SAC305 (RoHS)

LTM4650Y

BGA

–40°C to 125°C

LTM4650IY

SnPb (63/37)

LTM4650Y

BGA

–40°C to 125°C

Consult Marketing for parts specified with wider operating temperature ranges. *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

• 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

ORDER INFORMATION

(http://www.linear.com/product/LTM4650#orderinfo)

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