Datasheet
LT3590
2
3590f
ABSOLUTE MAXIMUM RATINGS
Input Voltage (V
IN
) ..................................... –0.3V to 55V
LED Voltage ............................................... –0.3V to 55V
CTRL Voltage ................................................. 0V to 6.0V
VREG Voltage ................................................. 0V to 4.0V
Operating Junction Temperature Range
(Note 2) ...............................................–40°C to 85°C
(Note 1)
Maximum Junction Temperature........................... 125°C
Storage Temperature Range ...................–65°C to 150°C
Lead Temperature (Soldering, 10 sec)
SC 8 Package Only ............................................ 300°C
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3590EDC#PBF LT3590EDC#TRPBF LCNZ 6-Lead (2mm × 2mm) Plastic DFN –40°C to 85°C
LT3590ESC8#PBF LT3590ESC8#TRPBF LCPB 8-Lead Plastic SC70 –40°C to 85°C
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based fi nish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/
TOP VIEW
VREG
LED
V
IN
CTRL
GND
SW
DC PACKAGE
6-LEAD (2mm × 2mm) PLASTIC DFN
4
5
7
6
3
2
1
SW 1
GND 2
GND 3
GND 4
8 V
IN
7 LED
6 VREG
5 CTRL
TOP VIEW
SC8 PACKAGE
8-LEAD PLASTIC SC70
T
JMAX
= 125°C, θ
JA
= 75°C/W TO 95°C/W
T
JMAX
= 125°C, θ
JA
= 65°C/W TO 85°C/W, θ
JC
= 20°C/W
EXPOSED PAD (PIN 7) IS GND, MUST BE SOLDERED TO PCB
PIN CONFIGURATION
ORDER INFORMATION