LT8494

2

8494fa

For more information www.linear.com/LT8494

ABSOLUTE MAXIMUM RATINGS

SWEN Voltage...........................................................60V

FB Voltage.................................................................60V

SW Voltage ...............................................................70V

PG Voltage ..................................................................6V

RT Voltage ..................................................................6V

SS Voltage ..................................................................3V

Operating Junction Temperature Range

LT8494E, LT8494I (Notes 2, 3).......... –40°C to 125°C

LT8494H (Notes 2, 3) ........................ –40°C to 150°C

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

Lead Temperature (Soldering, 10 sec)

FE Package .......................................................300°C

(Note 1)

ORDER INFORMATION

20 19 18 17 16

6

7

8

TOP VIEW

21

GND

UF PACKAGE

20-LEAD (4mm

× 4mm) PLASTIC QFN

9 10

5

4

3

2

1

11

12

13

14

15

SS

RT

GND

GND

NC

GND

GND

GND

SW

GND

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

FE PACKAGE

20-LEAD PLASTIC TSSOP

1

2

3

4

5

6

7

8

9

10

TOP VIEW

20

19

18

17

16

15

14

13

12

11

BIAS

FB

FB

NC

NC

NC

PG

SS

NC

RT

SW

NC

NC

GND

NC

GND

NC

SWEN

NC

21

GND

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

PIN CONFIGURATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LT8494EUF#PBF

LT8494EUF#TRPBF

8494

20-Lead (4mm × 4mm) Plastic QFN

–40°C to 125°C

LT8494IUF#PBF

LT8494IUF#TRPBF

8494

20-Lead (4mm × 4mm) Plastic QFN

–40°C to 125°C

LT8494EFE#PBF

LT8494EFE#TRPBF

LT8494FE

20-Lead Plastic TSSOP

–40°C to 125°C

LT8494IFE#PBF

LT8494IFE#TRPBF

LT8494FE

20-Lead Plastic TSSOP

–40°C to 125°C

LT8494HFE#PBF

LT8494HFE#TRPBF

LT8494FE

20-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.

For more information on lead free part marking, go to: http://www.linear.com/leadfree/

designated sales channels with #TRMPBF suffix.

http://www.linear.com/product/LT8494#orderinfo