LT3592
24
3592fc
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2008
LT 0409 REV C • PRINTED IN USA
RELATED PARTS
PART NUMBER DESCRIPTION COMMENTS
LT1932 Constant Current, 1.2MHz, High Effi ciency White LED Boost
Regulator
V
IN(MIN)
= 1V, V
IN(MAX)
= 10V, V
OUT(MAX)
= 34V, Dimming Analog/PWM,
I
SD
< 1µA, ThinSOT™ Package
LT3465/
LT3465A
Constant Current, 1.2MHz/2.7MHz, High Effi ciency White LED
Boost Regulator with Integrated Schottky Diode
V
IN(MIN)
= 2.7V, V
IN(MAX)
= 16V, V
OUT(MAX)
= 34V, Dimming Analog/PWM,
I
SD
< 1µA, ThinSOT Package
LT3466/
LT3466-1
Dual Constant Current, 2MHz, High Effi ciency White LED
Boost Regulator with Integrated Schottky Diode
V
IN(MIN)
= 2.7V, V
IN(MAX)
= 24V, V
OUT(MAX)
= 40V, Dimming 5mA,
I
SD
< 16µA, 3mm × 3mm DFN-10 Package
LT3474/
LT3474-1
36V, 1A (I
LED
), 2MHz,Step-Down LED Driver V
IN(MIN)
= 4V, V
IN(MAX)
= 36V, V
OUT(MAX)
= 13.5V, Dimming 400:1 True
Color PWM, I
SD
< 1µA, TSSOP-16E Package
LT3475/
LT3475-1
Dual 1.5A(I
LED
), 36V, 2MHz,Step-Down LED Driver V
IN(MIN)
= 4V, V
IN(MAX)
= 36V, V
OUT(MAX)
= 13.5V, Dimming 3,000:1 True
Color PWM, I
SD
< 1µA, TSSOP-20E Package
LT3476 Quad Output 1.5A, 2MHz High Current LED Driver with
1,000:1 Dimming
V
IN(MIN)
= 2.8V, V
IN(MAX)
= 16V, V
OUT(MAX)
= 36V, Dimming 1,000:1 True
Color PWM, I
SD
< 10µA, 5mm × 7mm QFN-10 Package
LT3478/
LT3478-1
4.5A, 2MHz High Current LED Driver with 3,000:1 Dimming V
IN(MIN)
= 2.8V, V
IN(MAX)
= 36V, V
OUT(MAX)
= 40V, Dimming 1,000:1 True
Color PWM, I
SD
< 10µA, 5mm × 7mm QFN-10 Package
LT3486 Dual 1.3A , 2MHz High Current LED Driver V
IN(MIN)
= 2.5V, V
IN(MAX)
= 24V, V
OUT(MAX)
= 36V, Dimming 1,000:1 True
Color PWM, I
SD
< 1µA, 5mm × 3mm DFN, TSSOP-16E Package
LT3491 Constant Current, 2.3MHz, High Effi ciency White LED Boost
Regulator with Integrated Schottky Diode
V
IN(MIN)
= 2.5V, V
IN(MAX)
= 12V, V
OUT(MAX)
= 27V, Dimming 300:1 True
Color PWM, I
SD
< 8µA, 2mm × 2mm DFN-6, SC70 Package
LT3496 Triple Output 750mA, 2.1MHz High Current LED Driver with
3,000:1 Dimming
V
IN(MIN)
= 3V, V
IN(MAX)
= 30V, V
OUT(MAX)
= 40V, Dimming 3,000:1 True
Color PWM, I
SD
< 1µA, 4mm × 5mm QFN-28 Package
LT3497 Dual 2.3MHz, Full Function LED Driver with Integrated
Schottkys and 250:1 True Color PWM Dimming
V
IN(MIN)
= 2.5V, V
IN(MAX)
= 10V, V
OUT(MAX)
= 32V, Dimming 250:1 True
Color PWM, I
SD
< 12µA, 2mm × 3mm DFN-10 Package
LT3498 20mA LED Driver and OLED Driver Integrated Schottkys V
IN(MIN)
= 2.5V, V
IN(MAX)
= 12V, V
OUT(MAX)
= 32V, Dimming Analog/PWM,
I
SD
< 8.5µA, 2mm × 3mm DFN-10 Package
LT3517 1.3A, 2.5MHz High Current LED Driver with 3,000:1 Dimming V
IN(MIN)
= 3V, V
IN(MAX)
= 30V, Dimming 3,000:1 True Color PWM,
I
SD
< 1µA, 4mm × 4mm QFN-16 Package
LT3518 2.3A, 2.5MHz High Current LED Driver with 3,000:1 Dimming V
IN(MIN)
= 3V, V
IN(MAX)
= 30V, Dimming 3,000:1 True Color PWM,
I
SD
< 1µA, 4mm × 4mm QFN-16 Package
LT3590 48V, 850kHz, 50mA Step-Down LED Driver V
IN(MIN)
= 4.5V, V
IN(MAX)
= 50V, Dimming 0.4, I
SD
< 15µA, 2mm × 2mm
DFN-6, SC70 Package
LT3591 Constant Current, 1MHz, High Effi ciency White LED Boost
Regulator with Integrated Schottky Diode and 80:1 True Color
PWM Dimming
V
IN(MIN)
= 2.5V, V
IN(MAX)
= 12V, V
OUT(MAX)
= 40V, Dimming 80:1 True
Color PWM, I
SD
< 9µA, 3mm × 2mm DFN-8 Package
ThinSOT is a trademark of Linear Technology Corporation.
33µH
158k
3592 TA05
4.7µF
WHITE LEDs
1
µF
0.4Ω
10k
0.1µF
MBRA140
BAS40
V
IN
SHDN
BRIGHT
R
T
BOOST
SW
DA
CAP
OUT
V
FB
LT3592
GND
BRIGHT
140k
900kHz
V
IN
24V TO 36V
ONOFF
TYPICAL APPLICATIONS
Five White LED Driver with External Booste Diode
