LTC3609 datasheet(2/26 Pages) LINER

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LTC3609

3609fb

pin conFiguraTion

absoluTe MaxiMuM raTings

Input Supply Voltage (SVIN, PVIN, ION)....... 36V to –0.3V

Boosted Topside Driver Supply Voltage

(BOOST) ................................................ 42V to –0.3V

SW Voltage ............................................ 36V to –0.3V

INTVCC, EXTVCC, (BOOST – SW), RUN/SS,

PGOOD Voltages...................................... 7V to –0.3V

FCB, VON, VRNG Voltages............ INTVCC + 0.3V to –0.3V

ITH, VFB Voltages....................................... 2.7V to –0.3V

Operating Junction Temperature Range

(Notes 2, 4)........................................ –40°C to 125°C

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

(Note1)

TOP VIEW

WKG PACKAGE

52-LEAD (7mm 8mm) QFN MULTIPAD

PVIN 1

PVIN 2

PVIN 3

PVIN 4

PVIN 5

PVIN 6

PVIN 7

SW 8

NC 9

SGND 10

BOOST 11

RUN/SS 12

VON 13

SGND 14

40 PGND

39 PGND

38 PGND

37 PGND

36 PGND

35 PGND

34 PGND

33 SW

32 INTVCC

31 INTVCC

30 SVIN

29 EXTVCC

28 NC

27 SGND

PVIN

SGND

TJMAX = 125°C, θJA = 29°C/W

orDer inForMaTion

LEADFREEFINISH

TAPEANDREEL

PARTMARKING*

PACKAGEDESCRIPTION

TEMPERATURERANGE

LTC3609EWKG#PBF

LTC3609EWKG#TRPBF

LTC3609WKG

52-Lead (7mm

× 8mm) Plastic QFN

–40°C to 125°C

LTC3609IWKG#PBF

LTC3609IWKG#TRPBF

LTC3609WKG

52-Lead (7mm

× 8mm) Plastic QFN

–40°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.

Consult LTC Marketing for information on non-standard lead based finish parts.

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

For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/

LTC3609 Datasheet(PDF) 2 Page - Linear Technology

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