Datasheet

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