LT3973/LT3973-3.3/LT3973-5

2

3973fb

For more information www.linear.com/LT3973

BOOST Pin Voltage ...................................................55V

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

BD Voltage ................................................................25V

OUT Voltage..............................................................14V

(Note 1)

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LT3973EDD#PBF

LT3973EDD#TRPBF

LGCH

10-Lead (3mm × 3mm) Plastic DFN

–40°C to 125°C

LT3973IDD#PBF

LT3973IDD#TRPBF

LGCH

10-Lead (3mm × 3mm) Plastic DFN

–40°C to 125°C

LT3973HDD#PBF

LT3973HDD#TRPBF

LGCH

10-Lead (3mm × 3mm) Plastic DFN

–40°C to 150°C

LT3973EMSE#PBF

LT3973EMSE#TRPBF

LTFYS

10-Lead Plastic MSOP

–40°C to 125°C

LT3973IMSE#PBF

LT3973IMSE#TRPBF

LTFYS

10-Lead Plastic MSOP

–40°C to 125°C

LT3973HMSE#PBF

LT3973HMSE#TRPBF

LTFYS

10-Lead Plastic MSOP

–40°C to 150°C

LT3973EMSE-3.3#PBF

LT3973EMSE-3.3#TRPBF LTGGB

10-Lead Plastic MSOP

–40°C to 125°C

LT3973IMSE-3.3#PBF

LT3973IMSE-3.3#TRPBF LTGGB

10-Lead Plastic MSOP

–40°C to 125°C

LT3973HMSE-3.3#PBF

LT3973HMSE-3.3#TRPBF LTGGB

10-Lead Plastic MSOP

–40°C to 150°C

LT3973EDD-3.3#PBF

LT3973EDD-3.3#TRPBF

LGGC

10-Lead (3mm × 3mm) Plastic DFN

–40°C to 125°C

LT3973IDD-3.3#PBF

LT3973IDD-3.3#TRPBF

LGGC

10-Lead (3mm × 3mm) Plastic DFN

–40°C to 125°C

LT3973HDD-3.3#PBF

LT3973HDD-3.3#TRPBF

LGGC

10-Lead (3mm × 3mm) Plastic DFN

–40°C to 150°C

LT3973EMSE-5#PBF

LT3973EMSE-5#TRPBF

LTGGD

10-Lead Plastic MSOP

–40°C to 125°C

LT3973IMSE-5#PBF

LT3973IMSE-5#TRPBF

LTGGD

10-Lead Plastic MSOP

–40°C to 125°C

LT3973HMSE-5#PBF

LT3973HMSE-5#TRPBF

LTGGD

10-Lead Plastic MSOP

–40°C to 150°C

ABSOLUTE MAXIMUM RATINGS

TOP VIEW

11

GND

DD PACKAGE

10-LEAD (3mm

× 3mm) PLASTIC DFN

10

9

6

7

8

4

5

3

2

1

RT

PG

BD

BOOST

SW

OUT

EN/UVLO

GND

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

1

2

3

4

5

OUT

EN/UVLO

GND

10

9

8

7

6

RT

PG

BD

BOOST

SW

TOP VIEW

MSE PACKAGE

10-LEAD PLASTIC MSOP

11

GND

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

PIN CONFIGURATION

Operating Junction Temperature Range (Note 2)

LT3973E/LT3973E-X.......................... –40°C to 125°C

LT3973I/LT3973I-X............................ –40°C to 125°C

LT3973H/LT3973H-X ......................... –40°C to 150°C

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

Lead Temperature (Soldering, 10 sec)

MSE Only..........................................................300°C