LT3505

2

3505fc

BOOST Pin Voltage ..................................................50V

BOOST Pin Above SW Pin.........................................25V

SHDN Pin..................................................................40V

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

ABSOLUTE MAXIMUM RATINGS

(Note 1)

TOP VIEW

9

DD PACKAGE

8-LEAD (3mm

× 3mm) PLASTIC DFN

5

6

7

8

4

3

2

1

BOOST

SW

SHDN

FB

GND

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

1

2

3

4

BOOST

8

7

6

5

9

FB

GND

TOP VIEW

MS8E PACKAGE

8-LEAD PLASTIC MSOP

SW

SHDN

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

PIN CONFIGURATION

Operating Temperature Range (Note 2)

LT3505E .............................................. –40°C to 85°C

LT3505I ............................................. –40°C to 125°C

Maximum Junction Temperature .......................... 125°C

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

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LT3505EDD#PBF

LT3505EDD#TRPBF

LCHB

8-Lead (3mm x 3mm) Plastic DFN

–40°C to 85°C

LT3505IDD#PBF

LT3505IDD#TRPBF

LCHC

8-Lead (3mm x 3mm) Plastic DFN

–40°C to 125°C

LT3505EMS8E#PBF

LT3505EMS8E#TRPBF

LTCNX

8-Lead Plastic MSOP

–40°C to 85°C

LT3505IMS8E#PBF

LT3505IMS8E#TRPBF

LTCNY

8-Lead Plastic MSOP

–40°C to 125°C

LEAD BASED FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LT3505EDD

LT3505EDD#TR

LCHB

8-Lead (3mm x 3mm) Plastic DFN

–40°C to 85°C

LT3505IDD

LT3505IDD#TR

LCHC

8-Lead (3mm x 3mm) Plastic DFN

–40°C to 125°C

LT3505EMS8E

LT3505EMS8E#TR

LTCNX

8-Lead Plastic MSOP

–40°C to 85°C

LT3505IMS8E

LT3505IMS8E#TR

LTCNY

8-Lead Plastic MSOP

–40°C to 125°C

Consult LTC Marketing for parts specified with wider operating temperature ranges.