LTC3129

2

3129fc

For more information www.linear.com/LTC3129

absoluTe MaxiMuM raTings

SW1, SW2 Pulsed (<100ns) Voltage ..............–1V to 19V

BST1 Voltage ....................(SW1 – 0.3V) to (SW1 + 6V)

BST2 Voltage ....................(SW2 – 0.3V) to (SW2 + 6V)

RUN, PGOOD Voltages............................... –0.3V to 18V

PGOOD Sink Current .............................................15mA

Operating Junction Temperature Range

(Notes 2, 5)............................................ –40°C to 125°C

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

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

(Notes 1, 8)

16 15 14 13

5

6

7

8

TOP VIEW

UD PACKAGE

16-LEAD (3mm

× 3mm) PLASTIC QFN

9

10

11

12

4

3

2

1

BST1

RUN

PGOOD

PWM

NC

17

PGND

EXPOSED PAD (PIN 17) IS PGND, MUST BE SOLDERED TO PCB

1

2

3

4

5

6

7

8

RUN

MPPC

GND

FB

NC

NC

PWM

16

15

14

13

12

11

10

9

BST1

SW1

PGND

SW2

BST2

PGOOD

TOP VIEW

MSE PACKAGE

16-LEAD PLASTIC MSOP

17

PGND

EXPOSED PAD (PIN 17) IS PGND, MUST BE SOLDERED TO PCB

pin conFiguraTion

orDer inForMaTion

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3129EUD#PBF

LTC3129EUD#TRPBF

LGDR

16-Lead (3mm × 3mm) Plastic QFN

–40°C to 125°C

LTC3129IUD#PBF

LTC3129IUD#TRPBF

LGDR

16-Lead (3mm × 3mm) Plastic QFN

–40°C to 125°C

LTC3129EMSE#PBF

LTC3129EMSE#TRPBF

3129

16-Lead Plastic MSOP

–40°C to 125°C

LTC3129IMSE#PBF

LTC3129IMSE#TRPBF

3129

16-Lead Plastic MSOP

–40°C to 125°C

Consult LTC Marketing for parts specified with wider operating temperature ranges.

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.