LTC7820

2

7820fc

For more information www.linear.com/LTC7820

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

BOOST1 ..................................................... –0.3V to 86V

BOOST2, BOOST3.......................................–0.3V to 51V

SW1.............................................................. –5V to 80V

SW3.............................................................. –5V to 45V

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

FAULT......................................................... –0.3V to 80V

Operating Junction Temperature

Range (Notes 2, 11) ............................... –40°C to 125°C

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

(Notes 1, 3)

9 10

TOP VIEW

UFD PACKAGE

28-LEAD (4mm × 5mm) PLASTIC QFN

11 12 13

28 27 26 25 24

14

23

6

5

4

3

2

1

NC

HYS_PRGM

TIMER

FREQ

RUN

PGOOD

UV

BOOST2

G2

BOOST3

G3

SW3

G4

29

GND

7

17

18

19

20

21

22

16

8

15

EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC7820EUFD#PBF

LTC7820EUFD#TRPBF

7820

28-Lead (4mm × 5mm) Plastic QFN

–40°C to 125°C

LTC7820IUFD#PBF

LTC7820IUFD#TRPBF

7820

28-Lead (4mm × 5mm) Plastic QFN

–40°C to 125°C

Consult ADI 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/LTC7820#orderinfo