LTC3851-1

2

38511f

ABSOLUTE MAXIMUM RATINGS

Topside Driver Voltage (BOOST) ................ 46V to –0.3V

Switch Voltage (SW) ..................................... 40V to –5V

(Note 1)

1

2

3

4

5

6

7

8

MODE/PLLIN

FREQ/PLLFLTR

RUN

TK/SS

FB

16

15

14

13

12

11

10

9

SW

TG

BOOST

BG

GND

PGOOD

TOP VIEW

17

MSE PACKAGE

16-LEAD PLASTIC MSOP

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

16 15 14 13

5

6

7

8

TOP VIEW

17

UD PACKAGE

16-LEAD (3mm

3mm) PLASTIC QFN

9

10

11

12

4

3

2

1

RUN

TK/SS

FB

BOOST

BG

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

PIN CONFIGURATION

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3851EMSE-1#PBF

LTC3851EMSE-1#TRPBF

38511

16-Lead Plastic MSOP

–40°C to 85°C

LTC3851IMSE-1#PBF

LTC3851IMSE-1#TRPBF

38511

16-Lead Plastic MSOP

–40°C to 125°C

LTC3851EUD-1#PBF

LTC3851EUD-1#TRPBF

LDNT

16-Lead (3mm

× 3mm) Plastic QFN

–40°C to 85°C

LTC3851IUD-1#PBF

LTC3851IUD-1#TRPBF

LDNT

16-Lead (3mm

× 3mm) Plastic QFN

–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.

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/

Operating Junction Temperature Range

(Notes 2, 3)............................................ –40°C to 125°C

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

Lead Temperature (Soldering, 10 sec)

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