LTC7800

2

7800f

For more information www.linear.com/LTC7800

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

Topside Driver Voltage (BOOST).................–0.3V to 71V

Switch Voltage (SW)..................................... –5V to 65V

(BOOST-SW)................................................ –0.3V to 6V

BG, TG ............................................................... (Note 8)

RUN ............................................................. –0.3V to 8V

Maximum Current Sourced into Pin from

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

PGOOD Voltage............................................ –0.3V to 6V

TRACK/SS Voltage....................................... –0.3V to 6V

Operating Junction Temperature Range (Notes 2, 3)

LTC7800E, LTC7800I ......................... –40°C to 125°C

LTC7800H.......................................... –40°C to 150°C

Maximum Junction Temperature (Notes 2, 3)

LTC7800E, LTC7800I ........................................ 125°C

LTC7800H......................................................... 150°C

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

(Note 1)

20 19 18 17

7

8

TOP VIEW

21

SGND

UDC PACKAGE

20-LEAD (3mm × 4mm) PLASTIC QFN

9 10

6

5

4

3

2

1

11

12

13

14

15

16

PLLIN/MODE

SGND

SGND

RUN

PGND

BG

BOOST

SW

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

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC7800EUDC#PBF

LTC7800EUDC#TRPBF

LHBS

20-Lead (3mm × 4mm) Plastic QFN

–40°C to 125°C

LTC7800IUDC#PBF

LTC7800IUDC#TRPBF

LHBS

20-Lead (3mm × 4mm) Plastic QFN

–40°C to 125°C

LTC7800HUDC#PBF

LTC7800HUDC#TRPBF

LHBS

20-Lead (3mm × 4mm) 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.

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/. Some packages are available in 500 unit reels through

designated sales channels with #TRMPBF suffix.

ORDER INFORMATION http://www.linear.com/product/LTC7800#orderinfo