2

LTC3770

3770f

32 31 30 29 28 27 26 25

9

10 11 12

TOP VIEW

UH PACKAGE

32-LEAD (5mm × 5mm) PLASTIC QFN

13

33

14 15 16

17

18

19

20

21

22

23

24

8

7

6

5

4

3

2

1

SGND

MARGIN1

MARGIN0

PGND

BG

Z2

Z1

1

2

3

4

5

6

7

8

9

10

11

12

13

14

TOP VIEW

G PACKAGE

28-LEAD PLASTIC SSOP

28

27

26

25

24

23

22

21

20

19

18

17

16

15

RUN

PGOOD

SGND

MARGIN1

MARGIN0

MPGM

TRACK/SS

FCB

Z0

BOOST

TG

SW

PGND

BG

Z2

Z1

PLLIN

PLLFLTR

Boosted Topside Driver Supply Voltage

(BOOST) ................................................38V to – 0.3V

TRACK/SS, FCB, Z0, Z1, Z2, RUN, PLLIN, MARGIN0,

ABSOLUTE

AXI U

RATI GS

PACKAGE/ORDER I FOR ATIO

ORDER PART

NUMBER

LTC3770EG

G PART

MARKING

LTC3770EG

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

(Note 1)

Operating Ambient Temperature

Range (Note 4) ................................... – 40°C to 85°C

Junction Temperature (Note 2) ............................. 125°C

Storage Temperature Range ................. – 65°C to 125°C

QFN Reflow Peak Body Temperature .................... 245°C

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

ORDER PART

NUMBER

LTC3770EUH

UH PART

MARKING

3770

EXPOSED PAD IS SGND (PIN 33)

MUST BE SOLDERED TO THE PCB