Datasheet
LTC3611
2
3611fd
pin conFigurAtionAbsolute MAxiMuM rAtings
(Note 1)
TOP VIEW
WP PACKAGE
64-LEAD (9mm × 9mm) QFN MULTIPAD
PGND 1
PGND 2
PGND 3
SW 4
SW 5
SW 6
SW 7
SW 8
SW 9
SW 10
SW 11
PV
IN
12
PV
IN
13
PV
IN
14
PV
IN
15
PV
IN
16
48 SGND
47 SGND
46 SGND
45 SGND
44 EXTV
CC
43 V
FB
42 SGND
41 I
ON
40 SGND
39 FCB
38 I
TH
37 V
RNG
36 PGOOD
35 V
ON
34 SGND
33 SGND
PV
IN
17
PV
IN
18
PV
IN
19
PV
IN
20
PV
IN
21
PV
IN
22
PV
IN
23
PV
IN
24
PV
IN
25
SW 26
NC 27
SGND 28
BOOST 29
RUN/SS 30
SGND 31
SGND 32
64 PGND
63 PGND
62 PGND
61 PGND
60 PGND
59 PGND
58 PGND
57 PGND
56 PGND
55 SW
54 INTV
CC
53 INTV
CC
52 SV
IN
51 SV
IN
50 SGND
49 SGND
68
SGND
67
PV
IN
66
SW
65
PGND
T
JMAX
= 125°C, θ
JA
= 28°C/W
orDer inForMAtion
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3611EWP#PBF LTC3611EWP#TRPBF LTC3611WP
64-Lead (9mm × 9mm) Plastic QFN
–40°C to 125°C
LTC3611IWP#PBF LTC3611IWP#TRPBF LTC3611WP
64-Lead (9mm × 9mm) Plastic QFN
–40°C to 125°C
LEAD BASED FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3611EWP LTC3611EWP#TR LTC3611WP
64-Lead (9mm × 9mm) Plastic QFN
–40°C to 125°C
LTC3611IWP LTC3611IWP#TR LTC3611WP
64-Lead (9mm × 9mm) Plastic QFN
–40°C to 125°C
C
o
nsult 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/
Fo
r more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
Input Supply Voltage (V
IN
, I
ON
) .................. 36V to –0.3V
Boosted Topside Driver Supply Voltage
(BOOST) ................................................ 42V to –0.3V
SW V
oltage
............................................ 36V to –0.3V
INTV
CC
, EXTV
CC
, (BOOST – SW), RUN/SS,
PGOOD Voltages .......................................... 7V to –0.3V
FCB, V
ON
, V
RNG
Voltages ............ INTV
CC
+ 0.3V to –0.3V
I
TH
, V
FB
Voltages ....................................... 2.7V to –0.3V
Operating Junction Temperature Range
(Notes 2, 4) ............................................ –40°C to 125°C
Storage Temperature Range ...................–55°C to 125°C