LT3580
ABSOLUTE MAXIMUM RATINGS
IN
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
(Note 1)
V 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
Storage Temperature Range...................–65°C to 150°C
PIN CONFIGURATION
TOP VIEW
TOP VIEW
FB
1
2
3
4
8
7
6
5
SYNC
SS
FB
VC
1
2
3
4
8 SYNC
7 SS
VC
9
9
6
5
V
IN
RT
SHDN
V
RT
IN
SW
SW
SHDN
MS8E PACKAGE
8-LEAD PLASTIC MSOP
DD PACKAGE
T
= 125°C, θ = 35°C/W TO 40°C/W
JA
JMAX
8-LEAD (3mm × 3mm) PLASTIC DFN
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
T
= 125°C, θ = 43°C/W
JMAX
JA
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
LT3580EDD#PBF
LT3580IDD#PBF
TAPE AND REEL
PART MARKING*
LCXY
PACKAGE DESCRIPTION
8-Lead (3mm × 3mm) Plastic DFN
8-Lead (3mm × 3mm) Plastic DFN
8-Lead Plastic MSOP
TEMPERATURE RANGE
LT3580EDD#TRPBF
LT3580IDD#TRPBF
LT3580EMS8E#TRPBF
LT3580IMS8E#TRPBF
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
LCXY
LT3580EMS8E#PBF
LT3580IMS8E#PBF
LTDCJ
LTDCJ
8-Lead Plastic MSOP
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/
3580fc
2