LTC3822 datasheet(2/32 Pages) LINER

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LTC3852

3852f

ABSOLUTE MAXIMUM RATINGS

Input Supply Voltage (VIN1) .........................6V to – 0.3V

Top Side Driver Voltage (BOOST)...............46V to – 0.3V

Switch Voltage (SW)..................................40V to – 0.3V

VPUMP .......................................................5.5V to – 0.3V

SHDN, RUN..................................................6V to –0.3V

VPUMP Short-Circuit Duration .......................... Indeﬁnite

VIN2............................................................40V to – 0.3V

INTVCC, (BOOST-SW), RUN, PGOOD ...........6V to – 0.3V

INTVCC, Peak Output Current.................................50mA

SENSE+, SENSE–.......................................... 6V to – 0.3V

MODE/PLLIN, TRACK/SS .....................INTVCC to – 0.3V

FREQ/PLLFLTR .....................................INTVCC to – 0.3V

ITH, VFB ........................................................3V to – 0.3V

Operating Junction Temperature (Note 2) ............. 125°C

Storage Temperature Range ..................– 65°C to 125°C

(Note 1)

TOP VIEW

UDD PACKAGE

24-LEAD (3mm

5mm) PLASTIC QFN

SENSE–

SENSE+

PGOOD

GND2

C+

C–

FREQ/PLLFLTR

MODE/PLLIN

BOOST

VIN2

INTVCC

VPUMP

910 11 12

24 23 22 21

GND

TJMAX = 125°C,

qJA = 38°C/W

EXPOSED PAD (PIN 25) IS GND, MUST BE SOLDERED TO PCB

PIN CONFIGURATION

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3852EUDD#PBF

LTC3852EUDD#TRPBF

LFRJ

24-Lead (3mm

¥ 5mm) Plastic QFN

–40°C to 125°C

LTC3852IUDD#PBF

LTC3852IUDD#TRPBF

LFRJ

24-Lead (3mm

¥ 5mm) 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.

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/

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