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LT3517
ABSOLUTE MAXIMUM RATINGS
(Note 1)
V IN , SHDN , PWM, TGEN (Note 3)..............................40V
SW, ISP, ISN, TG ........................................................45V
TG Pin Below ISP Pin ................................................10V
FB, SYNC, SS, CTRL ...................................................6V
VC, RT, V REF ................................................................3V
Operating Junction Temperature Range (Notes 2,4)
LT3517E .............................................–40°C to 125°C
LT3517I ..............................................–40°C to 125°C
LT3517H ............................................–40°C to 150°C
PIN CONFIGURATION
TOP VIEW
Storage Temperature Range
QFN....................................................–65°C to 150°C
TSSOP ...............................................–65°C to 150°C
Lead Temperature (Soldering, 10 sec)
TSSOP ............................................................. 300°C
TOP VIEW
V IN
1
16 SW
SHDN
2
15 SW
16 15 14 13
V REF
RT
SYNC
SS
PWM
3
4
5
6
7
17
14 TG
13 ISP
12 ISN
11 TGEN
10 FB
SW 1
SW 2
V IN 3
SHDN 4
5
17
GND
6 7
8
12 FB
11 VC
10 CTRL
9 PWM
CTRL
8
9
VC
FE PACKAGE
16-LEAD PLASTIC TSSOP
T JMAX = 150°C, θ JA = 40°C/W, θ JC (PAD) = 10°C/W
ORDER INFORMATION
UF PACKAGE
16-LEAD (4mm × 4mm) PLASTIC QFN
T JMAX = 125°C, θ JA = 36°C/W
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
LEAD FREE FINISH
LT3517EUF#PBF
LT3517IUF#PBF
LT3517HUF#PBF
LT3517EFE#PBF
LT3517IFE#PBF
LT3517HFE#PBF
TAPE AND REEL
LT3517EUF#TRPBF
LT3517IUF#TRPBF
LT3517HUF#TRPBF
LT3517EFE#TRPBF
LT3517IFE#TRPBF
LT3517HFE#TRPBF
PART MARKING*
3517
3517
3517
3517FE
3517FE
3517FE
PACKAGE DESCRIPTION
16-Lead (4mm × 4mm) Plastic QFN
16-Lead (4mm × 4mm) Plastic QFN
16-Lead (4mm × 4mm) Plastic QFN
16-Lead Plastic TSSOP
16-Lead Plastic TSSOP
16-Lead Plastic TSSOP
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 150°C
–40°C to 125°C
–40°C to 125°C
–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/
3517fg
2
For more information www.linear.com/LT3517
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LT3517HUF#TRPBF
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