LT3580

2

3580fg

ABSOLUTE MAXIMUM RATINGS

SW Voltage ................................................ –0.4V to 42V

RT Voltage ................................................... –0.3V to 5V

SS and FB Voltage .................................... –0.3V to 2.5V

VC Voltage ................................................... –0.3V to 2V

SHDN Voltage ............................................ –0.3V to 32V

SYNC Voltage............................................ –0.3V to 5.5V

(Note 1)

TOP VIEW

DD PACKAGE

8-LEAD (3mm

3mm) PLASTIC DFN

5

6

7

8

9

GND

4

3

2

1

FB

VC

SW

SYNC

SS

RT

SHDN

EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB

1

2

3

4

FB

VC

SW

8

7

6

5

SYNC

SS

RT

SHDN

TOP VIEW

9

GND

MS8E PACKAGE

8-LEAD PLASTIC MSOP

EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB

PIN CONFIGURATION

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LT3580EDD#PBF

LT3580EDD#TRPBF

LCXY

8-Lead (3mm

× 3mm) Plastic DFN

– 40°C to 125°C

LT3580IDD#PBF

LT3580IDD#TRPBF

LCXY

8-Lead (3mm

× 3mm) Plastic DFN

– 40°C to 125°C

LT3580EMS8E#PBF

LT3580EMS8E#TRPBF

LTDCJ

8-Lead Plastic MSOP

– 40°C to 125°C

LT3580IMS8E#PBF

LT3580IMS8E#TRPBF

LTDCJ

8-Lead Plastic MSOP

– 40°C to 125°C

LT3580HMS8E#PBF

LT3580HMS8E#TRPBF

LTDCJ

8-Lead Plastic MSOP

– 40°C to 150°C

LT3580MPMS8E#PBF

LT3580MPMS8E#TRPBF

LTDCJ

8-Lead Plastic MSOP

– 55°C to 125°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.

Operating Junction Temperature Range

LT3580E (Notes 2, 5)......................... –40°C to 125°C

LT3580I (Notes 2, 5).......................... –40°C to 125°C

LT3580H (Notes 2, 5) ........................–40°C to 150°C

LT3580MP (Notes 2, 5) ..................... –55°C to 125°C

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