LTC3854EMSE datasheet(2/28 Pages) LINER

2 / 28 page

LTC3854

3854fa

absoluTe MaxiMuM raTings

Input Supply Voltage (VIN)........................ 40V to –0.3V

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

Switch Voltage (SW).................................. 40V to –5.0V

INTVCC, BOOST-SW.................................... 6V to –0.3V

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

RUN/SS........................................................ 6V to –0.3V

(Note 1)

orDer inForMaTion

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3854EDDB#PBF

LTC3854EDDB#TRPBF

LDPC

12-Lead (3mm

× 2mm) Plastic DFN

–40°C to 85°C

LTC3854IDDB#PBF

LTC3854IDDB#TRPBF

LDPC

12-Lead (3mm

× 2mm) Plastic DFN

–40°C to 85°C

LTC3854EMSE#PBF

LTC3854EMSE#TRPBF

3854

12-Lead Plastic MSOP

–40°C to 85°C

LTC3854IMSE#PBF

LTC3854IMSE#TRPBF

3854

12-Lead Plastic MSOP

–40°C to 85°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/

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

INTVCC Peak Output Current (Note 8)....................40mA

Operating Temperature Range

(Notes 2, 3)..........................................–40°C to 85°C

Maximum Junction Temperature ...................... 125°C

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

TOP VIEW

DDB PACKAGE

12-LEAD (3mm 2mm) PLASTIC DFN

ITH

RUN/SS

BOOST

SENSE+

SENSE–

VIN

INTVCC

GND

TJMAX = 125°C, θJA = 76°C/W, θJC = 10°C/W

EXPOSED PAD (PIN 13) IS GND, MUST BE SOLDERED TO PCB

ITH

RUN/SS

BOOST

SENSE+

SENSE–

VIN

INTVCC

GND

TOP VIEW

MSE PACKAGE

12-LEAD PLASTIC MSOP

TJMAX = 125°C, θJA = 40°C/W, θJC = 16°C/W

EXPOSED PAD (PIN 13) IS GND, MUST BE SOLDERED TO PCB

pin conFiguraTion

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