LT8253/LT8253A

2

Rev. 0

For more information www.analog.com

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

BST1 .........................................................................48V

BST2.........................................................................36V

SW1, LSP, LSN.............................................. −6V to 42V

SW2.............................................................. −6V to 30V

(BST1-LSP), (BST1-LSN) ...........................................6V

FB, VOUTEN, SYNC/SPRD, PGOOD.............................6V

Operating Junction Temperature Range (Notes 2, 3)

LT8253E, LT8253AE .......................... −40°C to 125°C

LT8253J, LT8253AJ........................... −40°C to 150°C

LT8253H, LT8353AH ......................... −40°C to 150°C

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

(Note 1)

9 10

TOP VIEW

UFDM PACKAGE

28-LEAD (4mm × 5mm) PLASTIC SIDE SOLDERABLE QFN

11 12 13

28 27 26 25 24

14

23

6

5

4

3

2

1

TG1

LSP

LSN

EN/UVLO

TEST

VOUTEN

TG2

NC

SYNC/SPRD

RT

FB

SS

7

17

18

19

20

21

22

16

8

15

29

GND

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

LT8253EUFDM#PBF

LT8253EUFDM#TRPBF

8253

28-Lead (4mm x 5mm) Plastic Side Solderable QFN –40°C to 125°C

LT8253JUFDM#PBF

LT8253JUFDM#TRPBF

8253

28-Lead (4mm x 5mm) Plastic Side Solderable QFN –40°C to 150°C

LT8253HUFDM#PBF

LT8253HUFDM#TRPBF

8253

28-Lead (4mm x 5mm) Plastic Side Solderable QFN –40°C to 150°C

LT8253AEUFDM#PBF

LT8253AEUFDM#TRPBF

8253A

28-Lead (4mm x 5mm) Plastic Side Solderable QFN –40°C to 125°C

LT8253AJUFDM#PBF

LT8253AJUFDM#TRPBF

8253A

28-Lead (4mm x 5mm) Plastic Side Solderable QFN –40°C to 150°C

LT8253AHUFDM#PBF

LT8253AHUFDM#TRPBF 8253A

28-Lead (4mm x 5mm) Plastic Side Solderable QFN –40°C to 150°C

AUTOMOTIVE PRODUCTS**

LT8253JUFDM#WPBF

LT8253JUFDM#WTRPBF 8253

28-Lead (4mm x 5mm) Plastic Side Solderable QFN –40°C to 150°C

LT8253HUFDM#WPBF

LT8253HUFDM#WTRPBF 8253

28-Lead (4mm x 5mm) Plastic Side Solderable QFN –40°C to 150°C

LT8253AJUFDM#WPBF

LT8253AJUFDM#WTRPBF 8253A

28-Lead (4mm x 5mm) Plastic Side Solderable QFN –40°C to 150°C

LT8253AHUFDM#WPBF

LT8253AHUFDM#WTRPBF 8253A

28-Lead (4mm x 5mm) Plastic Side Solderable QFN –40°C to 150°C

Contact the factory for parts specified with wider operating temperature ranges. *The temperature grade is identified by aLabel on the shipping container.

**Versions of this part are available with controlled manufacturing to support the quality and reliability requirements of automotive applications.

These models are designated with a #W suffix. Only the automotive grade products shown are available for use in automotive applications. Contact

yourLocal Analog Devices account representative for specific product ordering information and to obtain the specific Automotive Reliability reports for

these models.