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LT3590

3590f

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com

LT 0707 • PRINTED IN USA

RELATED PARTS

PART NUMBER DESCRIPTION

COMMENTS

LT1932

Constant Current, 1.2MHz, High Efﬁciency White LED Boost

Regulator

VIN: 1.0V to 10.0V, VOUT(MAX) = 34V, Dimming Analog/PWM,

ISD < 1μA, ThinSOT™ Package

LT3003

Three Channel LED Ballaster with PWM Dimming

VIN: 3.0V to 48.0V, Dimming 3,000:1 True Color PWM™,

ISD <5μA, MSOP-10 Package

LT3465/A

Constant Current, 1.2/2.7MHz, High Efﬁciency White LED Boost

Regulator with Integrated Schottky Diode

VIN: 2.7V to 16.0V, VOUT(MAX) = 34V, Dimming Analog/PWM,

ISD <1μA, ThinSOT Package

LT3466/-1

Dual Constant Current, 2MHz, High Efﬁciency White LED Boost

Regulator with Integrated Schottky Diode

VIN: 2.7V to 24.0V, VOUT(MAX) = 40V, Dimming 5mA, ISD <16μA,

3mm × 3mm DFN-10

LT3474

36V, 1A (ILED), 2MHz,Step-Down LED Driver

VIN: 4.0V to 36V, VOUT(MAX) = 13.5V, Dimming 400:1 True Color

PWM, ISD <1μA, TSSOP16E Package

LT3475

Dual 1.5A(ILED), 36V, 2MHz, Step-Down LED Driver

VIN: 4.0V to 36V, VOUT(MAX) = 13.5V, Dimming 3,000:1 True Color

PWM, ISD <1μA, TSSOP20E Package

LT3476

Quad Output 1.5A, 2MHz High Current LED Driver with 1,000:1

Dimming

VIN: 2.8V to 16.0V, VOUT(MAX) = 36.0V, Dimming 1,000:1 True

Color PWM, ISD <10μA, 5mm × 7mm QFN-10

LT3478/-1

4.5A, 2MHz High Current LED Driver with 3,000:1 Dimming

VIN: 2.8V to 36.0V, VOUT(MAX) = 40.0V, Dimming 1,000:1 True

Color PWM, ISD <10μA, 5mm × 7mm QFN-10

LT3486

Dual 1.3A, 2MHz High Current LED Driver

VIN: 2.5V to 24.0V, VOUT(MAX) = 36.0V, Dimming 1,000:1 True

Color PWM, ISD <1μA, 5mm × 3mm DFN, TSSOP-16E Package

LT3491

Constant Current, 2.3MHz, High Efﬁciency White LED Boost

Regulator with Integrated Schottky Diode

VIN: 2.5V to 12.0V, VOUT(MAX) = 27V, Dimming 300:1 True Color

PWM, ISD <8μA, 2mm × 2mm DFN-6, SC70 Package

LT3496

Triple Output 750mA, 2.1 MHz High Current LED Driver with 3,000:1

Dimming

VIN: 3.0V to 30.0V, VOUT(MAX) = 40.0, Dimming 3,000:1 True

Color PWM, ISD <1μA, 4mm × 5mm QFN-28

LT3497

Dual 2.3MHz, Full Function LED Driver with Integrated Schottkys and

250:1 True Color PWM Dimming

VIN: 2.5V to 10.0V, VOUT(MAX) = 32, Dimming 250:1 True Color

PWM, ISD <12μA, 2mm × 3mm DFN-10

LT3498

20mA LED Driver and OLED Driver Integrated Schottkys

VIN: 2.5 to 12.0V, VOUT(MAX) = 32, Dimming Analog/PWM,

ISD <8.5μA, 2mm × 3mm DFN-12

LT3517

1.3A, 2.5MHz High Current LED Driver with 3,000:1 Dimming

VIN: 3.0V to 30.0V, Dimming 3,000:1 True Color PWM, ISD <1μA,

4mm × 4mm QFN-16

LT3518

2.3A, 2.5MHz High Current LED Driver with 3,000:1 Dimming

VIN: 3.0V to 30.0V, Dimming 3,000:1 True Color PWM, ISD <1μA,

4mm × 4mm QFN-16

LT3591

Constant Current, 1MHz, High Efﬁciency White LED Boost Regulator

with Integrated Schottky Diode and 80:1 True Color PWM Dimming

VIN: 2.5V to 12.0V, VOUT(MAX) = 40, Dimming 80:1 True Color

PWM, ISD <9μA, 2mm × 3mm DFN-8

ThinSOT and True Color PWM are trademarks of Linear Technology Corporation.

TYPICAL APPLICATION

24V Supply for 6 LED String, 50mA Current

Conversion Efﬁciency

VIN

24V

CONTROL

>1.5V

L1: MURATA LQH32CN-221

CTRL

VIN

4Ω

50mA

LT3590

VREG

LED

GND

1μF

0.1μF

1μF

3590 TA08a

220μH

LED CURRENT (mA)

100

3590 TA08b

LT3590 Datasheet(PDF) 16 Page - Linear Technology

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