LT3518

2

3518fb

ABSOLUTE MAXIMUM RATINGS

SW, ISP, ISN, TG........................................................45V

TG Pin Below ISP Pin................................................10V

FB, SYNC, SS, CTRL ...................................................6V

Operating Junction Temperature Range (Notes 2, 4)

LT3518E............................................. –40°C to 125°C

LT3518I.............................................. –40°C to 125°C

LT3518H ............................................ –40°C to 150°C

(Note 1)

16 15 14 13

5

6

7

8

TOP VIEW

17

UF PACKAGE

16-LEAD (4mm × 4mm) PLASTIC QFN

9

10

11

12

4

3

2

1

SW

SW

SHDN

FB

CTRL

PWM

EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB

FE PACKAGE

16-LEAD PLASTIC TSSOP

1

2

3

4

5

6

7

8

TOP VIEW

16

15

14

13

12

11

10

9

SHDN

SYNC

SS

PWM

CTRL

SW

SW

TG

ISP

ISN

TGEN

FB

17

GND

PIN CONFIGURATION

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LT3518EUF#PBF

LT3518EUF#TRPBF

3518

16-Lead (4mm

× 4mm) Plastic QFN

–40°C to 125°C

LT3518IUF#PBF

LT3518IUF#TRPBF

3518

16-Lead (4mm

× 4mm) Plastic QFN

–40°C to 125°C

LT3518EFE#PBF

LT3518EFE#TRPBF

3518FE

16-Lead Plastic TSSOP

–40°C to 125°C

LT3518IFE#PBF

LT3518IFE#TRPBF

3518FE

16-Lead Plastic TSSOP

–40°C to 125°C

LT3518HFE#PBF

LT3518HFE#TRPBF

3518HFE

16-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.

Storage Temperature Range

QFN.................................................... –65°C to 125°C

TSSOP ............................................... –65°C to 150°C

Lead Temperature (Soldering, 10 sec)

TSSOP .............................................................. 300°C