
LT3757
2
3757fc
pin conFiguraTion
absoluTe MaxiMuM raTings
VIN, SHDN/UVLO (Note 6).........................................40V
INTVCC....................................................VIN + 0.3V, 20V
GATE........................................................ INTVCC + 0.3V
SYNC ..........................................................................8V
VC, SS.........................................................................3V
RT ............................................................................1.5V
SENSE....................................................................±0.3V
FBX ................................................................. –6V to 6V
(Note 1)
TOP VIEW
DD PACKAGE
10-LEAD (3mm
× 3mm) PLASTIC DFN
10
9
6
7
8
4
5
11
3
2
1
VIN
SHDN/UVLO
INTVCC
GATE
SENSE
VC
FBX
SS
RT
SYNC
TJMAX = 125°C, θJA = 43°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
1
2
3
4
5
VC
FBX
SS
RT
SYNC
10
9
8
7
6
VIN
SHDN/UVLO
INTVCC
GATE
SENSE
TOP VIEW
MSE PACKAGE
10-LEAD PLASTIC MSOP
11
TJMAX = 150°C, θJA = 40°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
orDer inForMaTion
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LT3757EDD#PBF
LT3757EDD#TRPBF
LDYW
10-Lead (3mm
× 3mm) Plastic DFN
–40°C to 125°C
LT3757IDD#PBF
LT3757IDD#TRPBF
LDYW
10-Lead (3mm
× 3mm) Plastic DFN
–40°C to 125°C
LT3757EMSE#PBF
LT3757EMSE#TRPBF
LTDYX
10-Lead (3mm
× 3mm) Plastic MSOP
–40°C to 125°C
LT3757IMSE#PBF
LT3757IMSE#TRPBF
LTDYX
10-Lead (3mm
× 3mm) Plastic MSOP
–40°C to 125°C
LT3757HMSE#PBF
LT3757HMSE#TRPBF
LTDYX
10-Lead (3mm
× 3mm) Plastic MSOP
–40°C to 150°C
LT3757MPMSE#PBF
LT3757MPMSE#TRPBF
LTDYX
10-Lead (3mm
× 3mm) Plastic MSOP
–55°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.
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/
Operating Temperature Range (Notes 2, 8)
LT3757E............................................. –40°C to 125°C
LT3757I.............................................. –40°C to 125°C
LT3757H ............................................ –40°C to 150°C
LT3757MP ......................................... –55°C to 150°C
Storage Temperature Range
DFN.................................................... –65°C to 125°C
MSOP ................................................ –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
MSOP ...............................................................300°C