LT3470

2

Rev. E

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ABSOLUTE MAXIMUM RATINGS

VIN, SHDN Voltage ................................................... 40V

BOOST Pin Voltage .................................................. 47V

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

FB Voltage.................................................................. 5V

BIAS Voltage.............................................................25V

SW Voltage ................................................................VIN

Maximum Junction Temperature

LT3470E, LT3470I............................................. 125°C

LT3470H ........................................................... 150°C

(Note 1)

ORDER INFORMATION

Operating Temperature Range (Note 2)

LT3470E...............................................–40°C to 85°C

LT3470I ............................................. –40°C to 125°C

LT3470H ............................................ –40°C to 150°C

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

Lead Temperature (Soldering, 10 sec) ..................300°C

TOP VIEW

9

DDB8 PACKAGE

8-LEAD (3mm × 2mm) PLASTIC DFN

5

6

7

8

4

3

2

1

FB

BIAS

BOOST

SW

SHDN

NC

VIN

GND

θJA = 180°C/W

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

SHDN 1

NC 2

VIN 3

GND 4

8 FB

7 BIAS

6 BOOST

5 SW

TOP VIEW

TS8 PACKAGE

8-LEAD PLASTIC TSOT-23

θJA = 140°C/W

PIN CONFIGURATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LT3470EDDB#TRMPBF

LT3470EDDB#TRPBF

LBPN

8-Lead (3mm × 2mm) Plastic DFN

–40°C to 85°C

LT3470IDDB#TRMPBF

LT3470IDDB#TRPBF

LBPP

8-Lead (3mm × 2mm) Plastic DFN

–40°C to 125°C

LT3470HDDB#TRMPBF

LT3470HDDB#TRPBF

LCNR

8-Lead (3mm × 2mm) Plastic DFN

–40°C to 150°C

LT3470ETS8#PBF

LT3470ETS8#TRPBF

LTBDM

8-Lead Plastic TSOT-23

–40°C to 85°C

LT3470ITS8#PBF

LT3470ITS8#TRPBF

LTBPW

8-Lead Plastic TSOT-23

–40°C to 125°C

LT3470HTS8#PBF

LT3470HTS8#TRPBF

LTCNQ

8-Lead Plastic TSOT-23

–40°C to 150°C

LEAD BASED FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LT3470EDDB

LT3470EDDB#TR

LBPN

8-Lead (3mm × 2mm) Plastic DFN

–40°C to 85°C

LT3470IDDB

LT3470IDDB#TR

LBPP

8-Lead (3mm × 2mm) Plastic DFN

–40°C to 125°C

LT3470HDDB

LT3470HDDB#TR

LCNR

8-Lead (3mm × 2mm) Plastic DFN

–40°C to 150°C

LT3470ETS8

LT3470ETS8#TR

LTBDM

8-Lead Plastic TSOT-23

–40°C to 85°C

LT3470ITS8

LT3470ITS8#TR

LTBPW

8-Lead Plastic TSOT-23

–40°C to 125°C

LT3470HTS8

LT3470HTS8#TR

LTCNQ

8-Lead Plastic TSOT-23

–40°C to 150°C