LTC3121

2

3121fa

For more information www.linear.com/LTC3121

absoluTe MaxiMuM raTings

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

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

CAP Voltage

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

Operating Junction Temperature Range

(Notes 3, 4)............................................ –40°C to 125°C

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

(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

pin conFiguraTion

orDer inForMaTion

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3121EDE#PBF

LTC3121EDE#TRPBF

3121

12-Lead (4mm × 3mm) Plastic DFN

–40°C to 125°C

LTC3121IDE#PBF

LTC3121IDE#TRPBF

3121

12-Lead (4mm × 3mm) 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

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.

http://www.linear.com/product/LTC3121#orderinfo