LT3685

2

3685fb

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

BOOST Pin Voltage ...................................................56V

BOOST Pin Above SW Pin.........................................30V

PG, BD, SYNC Voltage ..............................................30V

(Note 1)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Minimum Input Voltage

●

3

3.6

V

●

36

38

40

V

●

0.01

450

1.3

0.5

600

1.7

μA

μA

mA

Operating Junction Temperature Range (Note 2)

LT3685E............................................. –40°C to 125°C

LT3685I.............................................. –40°C to 125°C

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

Lead Temperature (Soldering, 10 sec)

(MSE Only) ....................................................... 300°C

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LT3685EDD#PBF

LT3685IDD#PBF

LT3685EMSE#PBF

LT3685IMSE#PBF

LT3685EDD#TRPBF

LT3685IDD#TRPBF

LT3685EMSE#TRPBF

LT3685IMSE#TRPBF

LCYG

LCYG

LTCYF

LTCYF

10-Lead (3mm

× 3mm) Plastic DFN

10-Lead (3mm

× 3mm) Plastic DFN

10-Lead Plastic MSOP

10-Lead Plastic MSOP

–40°C to 125°C

–40°C to 125°C

–40°C to 125°C

–40°C to 125°C

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

Consult LTC Marketing for information on non-standard lead based finish parts.

TOP VIEW

DD PACKAGE

10-LEAD (3mm

3mm) PLASTIC DFN

10

9

6

7

8

4

5

3

11

2

1

FB

PG

SYNC

BD

BOOST

SW

RUN/SS

EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB

1

2

3

4

5

BD

BOOST

SW

RUN/SS

10

9

8

7

6

FB

PG

SYNC

TOP VIEW

MSE PACKAGE

10-LEAD PLASTIC MSOP

11

EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB

noted. (Note 2)