LTM4637 datasheet(2/32 Pages) LINER

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LTM4633

4633f

For more information www.linear.com/LTM4633

pin conFiguraTion

absoluTe MaxiMuM raTings

CNTL_PWR ............................................... –0.3V to 18V

VIN1, VIN2, VIN3........................................... –0.3V to 18V

VOUT1, VOUT2............................................. –0.3V to 2.2V

VOUT3........................................................ –0.3V to 5.5V

Switch Voltage (SW1, SW2 and SW3) ...........–1V to 18V

MODE/PLLIN, TK/SS1, TK/SS2, TK/SS3,

FREQ/PLLLPF, VFB1, VFB2, VFB3 ............–0.3V to INTVCC

COMP1, COMP2, COMP3 (Note 6)........–0.3V to INTVCC

RUN1, RUN2, RUN3, INTVCC, EXTVCC,

PGOOD12, PGOOD3..................................... –0.3V to 6V

TEMP1, TEMP2......................................... –0.3V to 0.8V

INTVCC Peak Output Current..................................75mA

Operating Junction Temperature Range

(Note 2).................................................. –55°C to 125°C

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

Peak Solder Reflow Body Temperature ................. 245°C

(Note 1)

SW3

TEMP2

GND

TKSS2

TK/SS1

TK/SS3

VFB3

VFB2

VFB1

FREQ/PLLLPF

SGND

VIN1

SW1

SW2

VIN2

VIN3

VOUT3

TOP VIEW

BGA PACKAGE 144 LEAD (15mm

× 15mm × 5.01mm)

VOUT2

VOUT1

GND

COMP3

COMP2

COMP1

PGOOD12

PGOOD3

EXTVCC

GND

10 11 12

TEMP1

INTVCC

CNTL_PWR

MODE/PLLIN

RUN1

RUN2

RUN3

TJMAX = 125°C, θJA = 7.5°C/W, θJCbottom = 4°C/W, θJCtop = 5°C/W

θJA DERIVED FROM 95mm × 76mm PCB WITH 4-LAYER, WEIGHT = 3.3g

θ VALUES DETERMINED PER JESD 51-12

orDer inForMaTion

LEAD FREE FINISH

TRAY

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE (NOTE 2)

LTM4633EY#PBF

LTM4633Y

144-Lead (15mm

× 15mm × 5.01mm) BGA

–40°C to 125°C

LTM4633IY#PBF

LTM4633Y

144-Lead (15mm

× 15mm × 5.01mm) BGA

–40°C to 125°C

LTM4633MPY#PBF

LTM4633Y

144-Lead (15mm

× 15mm × 5.01mm) BGA

–55°C to 125°C

Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.

For more information on lead free part marking, go to: http://www.linear.com/leadfree/

This product is only offered in trays. For more information go to: http://www.linear.com/packaging/

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