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LT3593ES6

1MHz White LED Driver with Output Disconnect and One Pin Current Programming

Linear Technology 

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

VIN 1

6 SW

GND 2

7

5 CAP

CTRL 3

4 LED

DC PACKAGE

6-LEAD (2mm × 2mm) PLASTIC DFN

TJMAX = 125°C, θJA = 106°C/W

EXPOSED PAD (PIN 7) IS GND, MUST BE SOLDERED TO PCB

TOP VIEW

CTRL 1

GND 2

VIN 3

6 LED

5 CAP

4 SW

S6 PACKAGE

6-LEAD PLASTIC TSOT-23

TJMAX = 125°C, θJA = 192°C/W

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

LT3593EDC#PBF

LT3593EDC#TRPBF

LDBR

6-Lead (2mm × 2mm) Plastic DFN

LT3593ES6#PBF

LT3593ES6#TRPBF

LTDBS

6-Lead Plastic TSOT-23

Consult LTC Marketing for parts specified with wider operating temperature ranges.

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/

TEMPERATURE RANGE

–40°C to 85°C

–40°C to 85°C

ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. VIN = 3.6V, VCTRL = 3.6V, unless otherwise specified.

PARAMETER

CONDITIONS

MIN TYP MAX UNITS

Operating Voltage Range

2.7

5.5

V

Supply Current

Not Switching; During Current Programming

300

μA

CTRL = 0

3

10

μA

Switching Frequency

0.85

1

1.15

MHz

Maximum Duty Cycle

92

94

%

Switch Current Limit

550 700

mA

Switch VCESAT

ISW = 250mA

250

mV

3593f

2

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