LT3580
ABSOLUTE MAXIMUM RATINGS
(Note 1)
V
IN
Voltage ................................................. –0.3V to 32V
SW Voltage ................................................ –0.4V to 42V
RT Voltage ................................................... –0.3V to 5V
SS and FB Voltage .................................... –0.3V to 2.5V
VC Voltage ................................................... –0.3V to 2V
SHDN
Voltage ............................................ –0.3V to 32V
SYNC Voltage............................................ –0.3V to 5.5V
Operating Junction Temperature Range
LT3580E (Notes 2, 5)......................... –40°C to 125°C
LT3580I (Notes 2, 5).......................... –40°C to 125°C
LT3580H (Notes 2, 5) ........................–40°C to 150°C
LT3580MP (Notes 2, 5) ..................... –55°C to 125°C
Storage Temperature Range ..................–65°C to 150°C
PIN CONFIGURATION
TOP VIEW
TOP VIEW
FB 1
VC 2
V
IN
3
SW 4
9
GND
8
7
6
5
SYNC
SS
RT
SHDN
FB
VC
V
IN
SW
1
2
3
4
9
GND
8
7
6
5
SYNC
SS
RT
SHDN
MS8E PACKAGE
8-LEAD PLASTIC MSOP
θ
JA
= 35°C/W TO 40°C/W
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
DD PACKAGE
8-LEAD (3mm 3mm) PLASTIC DFN
T
JMAX
= 125°C,
θ
JA
= 43°C/W
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
LT3580EDD#PBF
LT3580IDD#PBF
LT3580EMS8E#PBF
LT3580IMS8E#PBF
LT3580HMS8E#PBF
LT3580MPMS8E#PBF
TAPE AND REEL
LT3580EDD#TRPBF
LT3580IDD#TRPBF
LT3580EMS8E#TRPBF
LT3580IMS8E#TRPBF
LT3580HMS8E#TRPBF
LT3580MPMS8E#TRPBF
PART MARKING*
LCXY
LCXY
LTDCJ
LTDCJ
LTDCJ
LTDCJ
PACKAGE DESCRIPTION
8-Lead (3mm
×
3mm) Plastic DFN
8-Lead (3mm
×
3mm) Plastic DFN
8-Lead Plastic MSOP
8-Lead Plastic MSOP
8-Lead Plastic MSOP
8-Lead Plastic MSOP
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
– 55°C to 125°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/
3580fg
2
LINER [ LINEAR TECHNOLOGY ]
