LT3518
ABSOLUTE MAXIMUM RATINGS
V , SHDN, PWM, TGEN (Note 3)..............................40V
IN
(Note 1)
Storage Temperature Range
SW, ISP, ISN, TG........................................................45V
TG Pin Below ISP Pin................................................10V
FB, SYNC, SS, CTRL ...................................................6V
V , R , V .................................................................3V
QFN.................................................... –65°C to 125°C
TSSOP ............................................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
TSSOP .............................................................. 300°C
C
T
REF
Operating Junction Temperature Range (Notes 2, 4)
LT3518E............................................. –40°C to 125°C
LT3518I.............................................. –40°C to 125°C
LT3518H ............................................ –40°C to 150°C
PIN CONFIGURATION
TOP VIEW
TOP VIEW
V
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
SW
SW
TG
IN
16 15 14 13
SHDN
SW
SW
1
2
3
4
12 FB
V
REF
11
10
9
V
C
R
T
ISP
ISN
TGEN
FB
17
GND
17
V
CTRL
PWM
IN
SYNC
SS
SHDN
5
6
7
8
PWM
CTRL
V
C
UF PACKAGE
16-LEAD (4mm × 4mm) PLASTIC QFN
FE PACKAGE
16-LEAD PLASTIC TSSOP
T
= 125°C, θ = 36°C/W
JA
JMAX
T
= 150°C, θ = 40°C/W, θ = 10°C/W
JC(PAD)
JMAX
JA
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
LT3518EUF#PBF
LT3518IUF#PBF
LT3518EFE#PBF
LT3518IFE#PBF
LT3518HFE#PBF
TAPE AND REEL
PART MARKING*
3518
PACKAGE DESCRIPTION
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 150°C
LT3518EUF#TRPBF
LT3518IUF#TRPBF
LT3518EFE#TRPBF
LT3518IFE#TRPBF
LT3518HFE#TRPBF
16-Lead (4mm × 4mm) Plastic QFN
16-Lead (4mm × 4mm) Plastic QFN
16-Lead Plastic TSSOP
3518
3518FE
3518FE
16-Lead Plastic TSSOP
3518HFE
16-Lead Plastic TSSOP
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/
3518fb
2
Linear [ Linear ]
