LT3755/LT3755-1/LT3755-2
2
37551fd
absoluTe MaxiMuM raTings
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
(Note 1)
orDer inForMaTion
16 15 14 13
5 6 7 8
TOP VIEW
17
GND
UD PACKAGE
16-LEAD (3mm s 3mm) PLASTIC QFN
9
10
11
12
4
3
2
1V
REF
PWM
SYNC OR OPENLED
SS
FB
PWMOUT
GATE
SENSE
CTRL
VC
ISP
ISN
RT
SHDN/UVLO
INTV
CC
V
IN
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
1
2
3
4
5
6
7
8
PWMOUT
FB
ISN
ISP
VC
CTRL
V
REF
PWM
16
15
14
13
12
11
10
9
GATE
SENSE
V
IN
INTV
CC
SHDN/UVLO
RT
SS
SYNC OR OPENLED
TOP VIEW
MSE PACKAGE
16-LEAD PLASTIC MSOP
17
GND
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
pin conFiguraTion
RT ............................................................................1.5V
SENSE ......................................................................0.5V
Operating Junction Temperature Range (Notes 2, 5)
L
T3755E/L
T3755I ...............................–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
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3755EUD#PBF LT3755EUD#TRPBF LDGC
16-Lead (3mm × 3mm) Plastic QFN
–40°C to 125°C
LT3755IUD#PBF LT3755IUD#TRPBF LDGC
16-Lead (3mm × 3mm) Plastic QFN
–40°C to 125°C
LT3755EUD-1#PBF LT3755EUD-1#TRPBF LDMS
16-Lead (3mm × 3mm) Plastic QFN
–40°C to 125°C
LT3755IUD-1#PBF LT3755IUD-1#TRPBF LDMS
16-Lead (3mm × 3mm) Plastic QFN
–40°C to 125°C
LT3755EUD-2#PBF LT3755EUD-2#TRPBF LFJZ
16-Lead (3mm × 3mm) Plastic QFN
–40°C to 125°C
LT3755IUD-2#PBF LT3755IUD-2#TRPBF LFJZ
16-Lead (3mm × 3mm) Plastic QFN
–40°C to 125°C
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/