LT3755/LT3755-1/LT3755-2
absoluTe MaxiMuM raTings
(Note 1)
V
IN
............................................................................40V
SHDN/UVLO
(Note 3) ................................................40V
ISP ISN .....................................................................75V
,
INTV
CC
...................................................... V
IN
+ 0.3V, 8V
GATE, PWMOUT (Note 4) ......................... INTV
CC
+ 0.3V
CTRL, PWM,
OPENLED
.............................................12V
V
C
, V
REF
, SS, FB ..........................................................3V
SYNC ..........................................................................8V
RT ............................................................................1.5V
SENSE......................................................................0.5V
Operating Junction Temperature Range (Notes 2, 5)
LT3755E/LT3755I ...............................–40°C to 125°C
LT3755H ...........................................–40°C TO 150°C
Storage Temperature Range................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
MSOP ............................................................... 300°C
pin conFiguraTion
TOP VIEW
CTRL
ISN
ISP
VC
16 15 14 13
V
REF
1
PWM 2
SYNC OR
OPENLED
3
SS 4
5
RT
6
SHDN/UVLO
7
INTV
CC
8
V
IN
17
GND
12 FB
11 PWMOUT
10 GATE
9 SENSE
PWMOUT
FB
ISN
ISP
VC
CTRL
V
REF
PWM
1
2
3
4
5
6
7
8
TOP VIEW
16
15
14
13
12
11
10
9
GATE
SENSE
V
IN
INTV
CC
SHDN/UVLO
RT
SS
SYNC OR
OPENLED
17
GND
UD PACKAGE
16-LEAD (3mm 3mm) PLASTIC QFN
T
JMAX
= 125°C,
θ
JA
= 68°C/W,
θ
JC
= 4.2°C/W
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
MSE PACKAGE
16-LEAD PLASTIC MSOP
T
JMAX
= 125°C (E, I GRADES), T
JMAX
= 150°C (H GRADE),
θ
JA
= 43°C/W,
θ
JC
= 4°C/W
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
orDer inForMaTion
LEAD FREE FINISH
LT3755EUD#PBF
LT3755IUD#PBF
LT3755EUD-1#PBF
LT3755IUD-1#PBF
LT3755EUD-2#PBF
LT3755IUD-2#PBF
TAPE AND REEL
LT3755EUD#TRPBF
LT3755IUD#TRPBF
LT3755EUD-1#TRPBF
LT3755IUD-1#TRPBF
LT3755EUD-2#TRPBF
LT3755IUD-2#TRPBF
PART MARKING*
LDGC
LDGC
LDMS
LDMS
LFJZ
LFJZ
PACKAGE DESCRIPTION
16-Lead (3mm
×
3mm) Plastic QFN
16-Lead (3mm
×
3mm) Plastic QFN
16-Lead (3mm
×
3mm) Plastic QFN
16-Lead (3mm
×
3mm) Plastic QFN
16-Lead (3mm
×
3mm) Plastic QFN
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
16-Lead (3mm
×
3mm) Plastic QFN
LT3755EMSE#PBF
LT3755EMSE#TRPBF
3755
16-Lead Plastic MSOP
–40°C to 125°C
LT3755IMSE#PBF
LT3755IMSE#TRPBF
3755
16-Lead Plastic MSOP
–40°C to 125°C
LT3755EMSE-1#PBF
LT3755EMSE-1#TRPBF
37551
16-Lead Plastic MSOP
–40°C to 125°C
LT3755IMSE-1#PBF
LT3755IMSE-1#TRPBF
37551
16-Lead Plastic MSOP
–40°C to 125°C
LT3755EMSE-2#PBF
LT3755EMSE-2#TRPBF
37552
16-Lead Plastic MSOP
–40°C to 125°C
LT3755IMSE-2#PBF
LT3755IMSE-2#TRPBF
37552
16-Lead Plastic MSOP
–40°C to 125°C
LT3755HMSE-2#PBF
LT3755HMSE-2#TRPBF
37552
16-Lead Plastic MSOP
–40°C to 150°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/
37551fd
LINEAR_DIMENSIONS [ LINEAR DIMENSIONS SEMICONDUCTOR ]
