Datasheet

LT3580
2
3580fg
ABSOLUTE MAXIMUM RATINGS
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
(Note 1)
TOP VIEW
DD PACKAGE
8-LEAD
(
3mm s 3mm
)
PLASTIC DFN
5
6
7
8
9
GND
4
3
2
1FB
VC
V
IN
SW
SYNC
SS
RT
SHDN
T
JMAX
= 125°C, θ
JA
= 43°C/W
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
1
2
3
4
FB
VC
V
IN
SW
8
7
6
5
SYNC
SS
RT
SHDN
TOP VIEW
9
GND
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
PIN CONFIGURATION
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3580EDD#PBF LT3580EDD#TRPBF LCXY
8-Lead (3mm × 3mm) Plastic DFN
–40°C to 125°C
LT3580IDD#PBF LT3580IDD#TRPBF LCXY
8-Lead (3mm × 3mm) Plastic DFN
–40°C to 125°C
LT3580EMS8E#PBF LT3580EMS8E#TRPBF LTDCJ 8-Lead Plastic MSOP –40°C to 125°C
LT3580IMS8E#PBF LT3580IMS8E#TRPBF LTDCJ 8-Lead Plastic MSOP –40°C to 125°C
LT3580HMS8E#PBF LT3580HMS8E#TRPBF LTDCJ 8-Lead Plastic MSOP –40°C to 150°C
LT3580MPMS8E#PBF LT3580MPMS8E#TRPBF LTDCJ 8-Lead Plastic MSOP –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/
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
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