LT3470A

2

3470afa

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

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

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

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

BIAS Voltage .............................................................15V

Maximum Junction Temperature

LT3470AE, LT3470AI......................................... 125°C

Operating Temperature Range (Note 2)

LT3470AE.............................................– 40°C to 85°C

LT3470AI............................................ –40°C to 125°C

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

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

(Note 1)

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

GND

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

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LT3470AEDDB#PBF

LT3470AEDDB#TRPBF

LDPR

8-Lead (3mm

× 2mm) Plastic DFN

–40°C to 85°C

LT3470AIDDB#PBF

LT3470AIDDB#TRPBF

LDPR

8-Lead (3mm

× 2mm) Plastic DFN

–40°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.

For more information on lead free part marking, go to: http://www.linear.com/leadfree/

For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/