LTC3835 datasheet(2/28 Pages) LINER

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LTC3835

3835fc

ABSOLUTE MAXIMUM RATINGS

Input Supply Voltage (VIN)......................... 36V to –0.3V

Top Side Driver Voltage (BOOST)............... 42V to –0.3V

Switch Voltage (SW) ..................................... 36V to –5V

INTVCC, (BOOST-SW), CLKOUT, PGOOD ... 8.5V to –0.3V

RUN, TRACK/SS ......................................... 7V to –0.3V

SENSE+, SENSE– Voltages ........................ 11V to –0.3V

PLLIN/MODE, PHASMD, PLLLPF ......... INTVCC to –0.3V

EXTVCC ...................................................... 10V to –0.3V

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

(Note 1)

FE PACKAGE

20-LEAD PLASTIC TSSOP

TOP VIEW

CLKOUT

PLLLPF

ITH

TRACKS/SS

VFB

SGND

PGND

INTVCC

EXTVCC

PHASMD

PLLIN/MODE

PGOOD

SENSE+

SENSE–

RUN

BOOST

VIN

TJMAX = 125°C, θJA = 35°C/W

EXPOSED PAD (PIN 21) IS SGND MUST BE SOLDERED TO PCB

20 19 18 17

TOP VIEW

UFD PACKAGE

20-PIN (4mm

5mm) PLASTIC QFN

ITH

TRACK/SS

VFB

SGND

PGND

PGOOD

SENSE+

SENSE–

RUN

BOOST

TJMAX = 125°C, θJA = 37°C/W

EXPOSED PAD (PIN 21) IS SGND MUST BE SOLDERED TO PCB

PIN CONFIGURATION

Peak Output Current <10μs (TG,BG) ...........................3A

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

Operating Temperature Range (Note 2).... –40°C to 85°C

Junction Temperature (Note 3) ............................. 125°C

Storage Temperature Range

FE Package ........................................ –65°C to 150°C

Storage Temperature Range

UFD Package ..................................... –65°C to 125°C

Lead Temperature (FE Package, Soldering, 10 sec)... 300°C

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