LT3599EFE datasheet(2/26 Pages) LINER

2 / 26 page

LT3599

3599fd

pin conFiguraTion

absoluTe MaxiMuM raTings

VIN, SHDN/UVLO, OPENLED, SHORTLED ..................30V

SHDN/UVLO Pin Above VIN.........................................3V

SW............................................................................45V

VOUT, VO_SW..............................................................45V

LED1, LED2, LED3, LED4 ..........................................45V

PWM, SYNC, CTRL, FB, TSET, DISABLE4....................6V

VC, SS.........................................................................3V

VREF, RT, ISET..............................................................2V

(Note 1)

orDer inForMaTion

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LT3599EFE#PBF

LT3599EFE#TRPBF

LT3599FE

28-Lead Plastic TSSOP

–40°C to 125°C

LT3599IFE#PBF

LT3599IFE#TRPBF

LT3599FE

28-Lead Plastic TSSOP

–40°C to 125°C

LT3599HFE#PBF

LT3599HFE#TRPBF

LT3599FE

28-Lead Plastic TSSOP

–40°C to 150°C

LT3599EUH#PBF

LT3599EUH#TRPBF

3599

32-Lead (5mm

× 5mm) Plastic QFN

–40°C to 125°C

LT3599IUH#PBF

LT3599IUH#TRPBF

3599

32-Lead (5mm

× 5mm) Plastic QFN

–40°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 (Note 2)

LT3599E/LT3599I.............................. –40°C to 125°C

LT3599H............................................ –40°C to 150°C

Maximum Junction Temperature

LT3599E/LT3599I............................................. 125°C

LT3599H........................................................... 150°C

Storage Temperature Range .................. –65°C to 150°C

Lead Temperature (Soldering, sec) (Note 5) .........300°C

TOP VIEW

FE PACKAGE

28-LEAD PLASTIC TSSOP

VOUT

VO_SW

LED1

LED2

LED3

LED4

DISABLE4

SHORTLED

OPENLED

ISET

CTRL

VIN

SHDN/UVLO

GND

VREF

PWM

SYNC

TSET

TJMAX = 125°C, θJA = 28°C/W , θJC = 10°C/W

EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB

31 30 29 28 27 26 25

9 10 11 12

TOP VIEW

UH PACKAGE

32-LEAD (5mm 5mm) PLASTIC QFN

13 14 15 16

VOUT

VO_SW

LED1

LED2

LED3

LED4

DISABLE4

SHORTLED

GND

VREF

PWM

SYNC

TJMAX = 125°C, θJA = 34°C/W

EXPOSED PAD (PIN 33) IS GND, MUST BE SOLDERED TO PCB

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