LTC7819

2

Rev. 0

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PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

BOOST1, BOOST2, BOOST3....................... –0.3V to 46V

Switch Voltage (SW1, SW2, SW3) ................ –5V to 40V

RUN1, RUN2, RUN3 Voltages..................... –0.3V to 40V

(BOOST1-SW1), (BOOST2-SW2),

(BOOST3-SW3)............................................ –0.3V to 6V

ITH1, ITH2, ITH3 Voltages............................ –0.3V to 2V

MODE, PGOOD1, PGOOD2 Voltages ............ –0.3V to 6V

PGOOD3, VPRG1 Voltages........................... –0.3V to 6V

PLLIN/SPREAD, FREQ Voltages................... –0.3V to 6V

BG1, BG2, BG3, TG1, TG2, TG3.......................... (Note 9)

Operating Junction Temperature Range (Notes 2, 8)

LTC7819R .......................................... –40°C to 150°C

Storage Temperature Range .................. –65°C to 150°C

(Note 1)

39

40

38 37 36 35 34 33 32 31

11

20

12 13 14 15

TOP VIEW

41

GND

UJ PACKAGE

40-LEAD (6mm × 6mm) PLASTIC QFN

EXPOSED PAD (PIN 41) IS GND, MUST BE SOLDERED TO PCB

16 17 18 19

22

23

24

25

26

27

28

29

9

8

7

6

5

4

3

2

MODE

TRACK/SS1

ITH1

PGOOD2

RUN3

RUN2

RUN1

BOOST3

BG3

SW1

TG1

BOOST1

BG1

BG2

21

30

10

1

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC7819RUJ#PBF

LTC7819RUJ#TRPBF

7819

40-Lead (6mm x 6mm) Plastic QFN

−40°C to 150°C

AUTOMOTIVE PRODUCTS**

LTC7819RUJ#WPBF

LTC7819RUJ#WTRPBF

7819

40-Lead (6mm x 6mm) Plastic QFN

−40°C to 150°C

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

Tape and reel specifications. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.

**Versions of this part are available with controlled manufacturing to support the quality and reliability requirements of automotive applications. These

models are designated with a #W suffix. Only the automotive grade products shown are available for use in automotive applications. Contact your

local Analog Devices account representative for specific product ordering information and to obtain the specific Automotive Reliability reports for

these models.