LT3514

2

3514fa

For more information www.linear.com/LT3514

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

EN/UVLO...................................................................40V

SKY...........................................................................46V

SW5..........................................................................47V

RUN/SS.......................................................................6V

FB ...............................................................................6V

RT/SYNC.....................................................................6V

(Note 1)

9 10

TOP VIEW

UFD PACKAGE

28-LEAD (4mm

× 5mm) PLASTIC QFN

29

GND

11 12 13

28 27 26 25 24

14

23

6

5

4

3

2

1

NC

NC

DA3

SW3

SW1

DA1

SW4

DA4

NC

FB3

FB1

FB4

GND

RT/SYNC

EN/UVLO

RUN/SS3

7

17

18

19

20

21

22

16

8

15

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

1

2

3

4

5

6

7

8

9

10

11

12

TOP VIEW

FE PACKAGE

24-LEAD PLASTIC TSSOP

24

23

22

21

20

19

18

17

16

15

14

13

NC

DA3

SW3

SW3

SW1

DA1

SW4

DA4

NC

SKY

SW5

GND

PG

FB3

FB1

FB4

RT/SYNC

EN/UVLO

RUN/SS3

RUN/SS1

RUN/SS4

25

GND

EXPOSED PAD (PIN 25) IS GND, MUST BE SOLDERED TO PCB

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LT3514EUFD#PBF

LT3514EUFD#TRPBF

3514

28-Lead (4mm

× 5mm) Plastic QFN

–40°C to 125°C

LT3514IUFD#PBF

LT3514IUFD#TRPBF

3514

28-Lead (4mm

× 5mm) Plastic QFN

–40°C to 125°C

LT3514EFE#PBF

LT3514EFE#TRPBF

LT3514FE

24-Lead Plastic TSSOP

–40°C to 125°C

LT3514IFE#PBF

LT3514IFE#TRPBF

LT3514FE

24-Lead Plastic TSSOP

–40°C to 125°C

LT3514HFE#PBF

LT3514HFE#TRPBF

LT3514FE

24-Lead Plastic TSSOP

–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.

PG.............................................................................25V

Operating Junction Temperature Range (Notes 2, 7)

LT3514EUFD ...................................... –40°C to 125°C

LT3514IUFD ....................................... –40°C to 125°C

LT3514EFE......................................... –40°C to 125°C

LT3514IFE.......................................... –40°C to 125°C

LT3514HFE......................................... –40°C to 150°C

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