LT3845

2

3845fd

ORDER INFORMATION

Boosted Supply Voltage (BOOST) .............................80V

Switch Voltage (SW) (Note 8) ....................... 65V to –2V

Differential Boost Voltage

(BOOST to SW).....................................................24V

Differential Sense Voltage

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LT3845EFE#PBF

LT3845EFE#TRPBF

3845FE

16-Lead Plastic TSSOP

–40°C to 125°C

LT3845IFE#PBF

LT3845IFE#TRPBF

3845FE

16-Lead Plastic TSSOP

–40°C to 125°C

LT3845MPFE#PBF

LT3845MPFE#TRPBF

3845FE

16-Lead Plastic TSSOP

–55°C to 125°C

LT3845EN#PBF

LT3845EN#TRPBF

3845N

16-Lead PDIP

–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/

FE PACKAGE

16-LEAD PLASTIC TSSOP

1

2

3

4

5

6

7

8

TOP VIEW

16

15

14

13

12

11

10

9

SHDN

BURST_EN

SYNC

BOOST

TG

SW

BG

PGND

17

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

N PACKAGE

16-LEAD PDIP

1

2

3

4

5

6

7

8

TOP VIEW

16

15

14

13

12

11

10

9

SGND

PGND

BG

BURST_EN

SHDN

BOOST

TG

SW

PIN CONFIGURATION

BURST_EN Voltage ...................................................24V

SHDN Pin Currents ..................................................1mA

Operating Junction Temperature Range (Note 2)

LT3845E (Note 3)............................... –40°C to 125°C

LT3845I.............................................. –40°C to 125°C

LT3845MP.......................................... –55°C to 125°C

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

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