LTC7812

2

7812fc

For more information www.linear.com/LTC7812

ABSOLUTE MAXIMUM RATINGS

Buck Top Side Driver Voltage (BOOST1) .... –0.3V to 46V

Boost Top Side Driver Voltage (BOOST2).... –0.3V to 76V

Buck Switch Voltage (SW1) ......................... –5V to 40V

Boost Switch Voltage (SW2) ........................ –5V to 70V

(BOOST2–SW2) ...................................... –0.3V to 6V

RUN1, RUN2 ............................................... –0.3V to 8V

Maximum Current Sourced Into Pin

from Source >8V ..............................................100µA

BG1, BG2, TG1, TG2........................................... (Note 8)

PLLIN/MODE, PGOOD1, OV2 Voltages ........ –0.3V to 6V

TRACK/SS1, SS2 Voltages .......................... –0.3V to 6V

Operating Junction Temperature Range (Notes 2, 3)

LTC7812E, LTC7812I.......................... –40°C to 125°C

LTC7812H .......................................... –40°C to 150°C

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

(Note 1)

32

33

PGND

31 30 29 28 27 26 25

9 10 11 12

TOP VIEW

UH PACKAGE

32-LEAD (5mm

× 5mm) PLASTIC QFN

13 14 15 16

17

18

19

20

21

22

23

24

8

7

6

5

4

3

2

1

SW1

TG1

PGOOD1

TRACK/SS1

NC

OV2

SGND

SGND

RUN2

SGND

RUN1

EXPOSED PAD (PIN 33) IS PGND, MUST BE SOLDERED TO PCB

PIN CONFIGURATION

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC7812EUH#PBF

LTC7812EUH#TRPBF

7812

32-Lead (5mm × 5mm) Plastic QFN

–40°C to 125°C

LTC7812IUH#PBF

LTC7812IUH#TRPBF

7812

32-Lead (5mm × 5mm) Plastic QFN

–40°C to 125°C

LTC7812HUH#PBF

LTC7812HUH#TRPBF

7812

32-Lead (5mm × 5mm) Plastic QFN

–40°C to 150°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/. Some packages are available in 500 unit reels through

designated sales channels with #TRMPBF suffix.

http://www.linear.com/product/LTC7812#orderinfo