LTC3122

2

3122fa

For more information www.linear.com/LTC3122

absoluTe MaxiMuM raTings

SW Voltage (Note 2) .................................. –0.3V to 18V

SW Voltage (Pulsed < 100ns) (Note 2)....... –0.3V to 19V

CAP Voltage

(Note 1)

12

11

10

9

8

7

13

PGND

1

2

3

4

5

6

CAP

SGND

SD

FB

SW

PGND

PWM/SYNC

RT

TOP VIEW

DE PACKAGE

12-LEAD (4mm

× 3mm) PLASTIC DFN

EXPOSED PAD (PIN 13) IS PGND,

MUST BE SOLDERED TO PCB FOR RATED THERMAL PERFORMANCE

1

2

3

4

5

6

SW

PGND

PWM/SYNC

RT

12

11

10

9

8

7

CAP

SGND

SD

FB

TOP VIEW

13

PGND

MSE PACKAGE

12-LEAD PLASTIC MSOP

EXPOSED PAD (PIN 13) IS PGND,

MUST BE SOLDERED TO PCB FOR RATED THERMAL PERFORMANCE

pin conFiguraTion

orDer inForMaTion

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3122EDE#PBF

LTC3122EDE#TRPBF

3122

12-Lead (4mm × 3mm) Plastic DFN

–40°C to 125°C

LTC3122IDE#PBF

LTC3122IDE#TRPBF

3122

12-Lead (4mm × 3mm) Plastic DFN

–40°C to 125°C

LTC3122EMSE#PBF

LTC3122EMSE#TRPBF

3122

12-Lead Plastic MSOP

–40°C to 125°C

LTC3122IMSE#PBF

LTC3122IMSE#TRPBF

3122

12-Lead Plastic MSOP

–40°C to 125°C

LTC3122HMSE#PBF

LTC3122HMSE#TRPBF

3122

12-Lead Plastic MSOP

–40°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.

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/

All Other Pins............................................... –0.3V to 6V

Operating Junction Temperature Range (Notes 3, 4)

LTC3122E/LTC3122I .......................... –40°C to 125°C

LTC3122H .......................................... –40°C to 150°C

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

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