LT3593
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Input Voltage...............................................................6V
CTRL Voltage ..............................................................6V
SW Voltage ...............................................................45V
CAP Voltage ..............................................................45V
LED Voltage ..............................................................45V
Operating Junction Temperature Range
(Note 2).................................................... –40°C to 85°C
Maximum Junction Temperature........................... 125°C
Storage Temperature Range................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
TSOT Package................................................... 300°C
PIN CONFIGURATION
TOP VIEW
TOP VIEW
V IN 1
6 SW
CTRL 1
6 LED
GND 2
CTRL 3
7
5 CAP
4 LED
GND 2
V IN 3
5 CAP
4 SW
DC PACKAGE
6-LEAD (2mm × 2mm) PLASTIC DFN
T JMAX = 125°C, θ JA = 106°C/W
EXPOSED PAD (PIN 7) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
S6 PACKAGE
6-LEAD PLASTIC TSOT-23
T JMAX = 125°C, θ JA = 192°C/W
LEAD FREE FINISH
LT3593EDC#PBF
LT3593ES6#PBF
TAPE AND REEL
LT3593EDC#TRPBF
LT3593ES6#TRPBF
PART MARKING
LDBR
LTDBS
PACKAGE DESCRIPTION
6-Lead (2mm × 2mm) Plastic DFN
6-Lead Plastic TSOT-23
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
Consult LTC Marketing for parts speci?ed with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based ?nish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel speci?cations, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The l denotes the speci?cations which apply over the full operating
temperature range, otherwise speci?cations ar e at T A = 25°C. V IN = 3.6V, V CTRL = 3.6V, unless otherwise speci?ed.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Operating Voltage Range
Supply Current
Not Switching; During Current Programming
2.7
300
5.5
V
μA
CTRL = 0
3
10
μA
Switching Frequency
Maximum Duty Cycle
Switch Current Limit
Switch V CESAT
I SW = 250mA
0.85
92
550
1
94
700
250
1.15
MHz
%
mA
mV
3593f
2
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