LTC3126

2

3126f

For more information www.linear.com/LTC3126

absoluTe MaxiMuM raTings

PWM/SYNC, DIODE, ENA ...........................................6V

VALID1, VALID2, PGOOD, PRIORITY............................6V

BST1 Pin Above COM1 ...............................................6V

(Note 1)

orDer inForMaTion

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3126EUFD#PBF

LTC3126EUFD#TRPBF

3126

28-Lead (4mm × 5mm) Plastic QFN

–40°C to 125°C

LTC3126IUFD#PBF

LTC3126IUFD#TRPBF

3126

28-Lead (4mm × 5mm) Plastic QFN

–40°C to 125°C

LTC3126EFE#PBF

LTC3126EFE#TRPBF

LTC3126FE

28-Lead Plastic TSSOP (4.4mm)

–40°C to 125°C

LTC3126IFE#PBF

LTC3126IFE#TRPBF

LTC3126FE

28-Lead Plastic TSSOP (4.4mm)

–40°C to 125°C

LTC3126HFE#PBF

LTC3126HFE#TRPBF

LTC3126FE

28-Lead Plastic TSSOP (4.4mm)

–40°C to 150°C

LTC3126MPFE#PBF

LTC3126MPFE#TRPBF

LTC3126FE

28-Lead Plastic TSSOP (4.4mm)

–55°C to 150°C

Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.

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/. Some packages are available in 500 unit reels through

designated sales channels with #TRMPBF suffix.

BST2 Pin Above COM2 ...............................................6V

Operating Junction Temperature Range

(Notes 2, 4)............................................ –40°C to 150°C

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

Lead Temperature (Soldering, 10 sec)

TSSOP ..............................................................300°C

9 10

TOP VIEW

29

PGND

UFD PACKAGE

28-LEAD (4mm

× 5mm) PLASTIC QFN

11 12 13

28 27 26 25 24

14

23

6

5

4

3

2

1

VALID2

GND

BST1

COM1

SW

PGND

PGND

SW

COM2

BST2

7

17

18

19

20

21

22

16

8

15

EXPOSED PAD (PIN 29) IS PGND, MUST BE SOLDERED TO PCB

1

2

3

4

5

6

7

8

9

10

11

12

13

14

TOP VIEW

FE PACKAGE

28-LEAD PLASTIC TSSOP

28

27

26

25

24

23

22

21

20

19

18

17

16

15

PWM/SYNC

VALID1

VALID2

GND

FB

RT

PGOOD

DIODE

BST1

COM1

SW

PGND

PGND

SW

COM2

BST2

ENA

PRIORITY

29

PGND

EXPOSED PAD (PIN 29) IS PGND, MUST BE SOLDERED TO PCB

pin conFiguraTion

http://www.linear.com/product/LTC3126#orderinfo