LT3595
TYPICAL APPLICATIONS
16-Channel LED Driver (Three LEDs per Channel), 20mA Current
5000:1 PWM Dimming at 100Hz
V
IN
15V TO
45V
0.47μF
0.47μF
0.47μF
0.47μF
0.47μF
0.47μF
0.47μF
0.47μF
V
PWM
5V/DIV
10μF
I
V
CC
SW
20mA/DIV
100k
L1 SW1
OPENLED
PWM1
L2
SW2
SW3
L3
SW4
L4
L5
SW5 L6 SW6
SW7 L7
SW8 L8
I
LED
10mA/DIV
PWM9
PWM10
PWM11
PWM12
PWM13
PWM14
PWM15
PWM16
GND
PWM2
LED
PWM3
3595 TA03b
LED
BRIGHTNESS
CONTROL
400ns/DIV
T = 10ms
BRIGHT-
NESS
PWM4
PWM5
LT3595
V
= 15V
IN
3 LEDS AT 20mA
CONTROL
PWM6
T
= 2μs
ON
PWM7
PWM8
SHDN
3V TO
5.5V
V
CC
R
SET
L12 SW12 L11 SW11 V SW10 L10 SW9 L9
L16 SW16 L15 SW15
V
SW14 L14 SW13 L13
IN
IN
10μF
0.47μF
0.47μF
0.47μF
0.47μF
0.47μF
0.47μF
0.47μF
0.47μF
3595 TA03
RELATED PARTS
PART NUMBER DESCRIPTION
COMMENTS
V : 2.3V to 15V, V
LT3463/
LT3463A
Dual Output, Boost/Inverter, 250mA I , Constant Off-Time, High
Efficiency Step-Up DC/DC Converter with Integrated Schottky Diodes 3mm × 3mm DFN-10 Package
= 40V, I = 40μA, I < 1μA,
OUT(MAX) Q SD
SW
IN
LT3465/
LT3465A
Constant-Current, 1.2MHz/2.7MHz, High Efficiency White LED Boost V : 2.7V to 16V, V
= 34V, I = 1.9mA, I < 1μA,
OUT(MAX) Q SD
IN
Regulator with Integrated Schottky Diode
ThinSOTTM Package
V : 2.7V to 24V, V
LT3466/
LT3466-1
Dual Constant-Current, 2MHz, High Efficiency White LED Boost
Regulator with Integrated Schottky Diode
= 40V, I = 5mA, I < 16μA,
OUT(MAX) Q SD
IN
3mm × 3mm DFN-10 Package
LT3474
LT3475
LT3476
LT3486
LT3491
LT3497
LT3498
36V, 1A (I ), 2MHz, Step-Down LED Driver
V : 4V to 36V, V
SD
= 13.5V, 400:1 True Color PWMTM,
LED
IN
OUT(MAX)
OUT(MAX)
I
< 1μA, TSSOP-16E Package
Dual 1.5A (I ), 36V, 2MHz, Step-Down LED Driver
V : 4V to 36V, V
= 13.5V, 3000:1 True Color PWM,
LED
IN
SD
I
< 1μA, TSSOP-20E Package
Quad Output 1.5A, 2MHz High Current LED Driver with 1000:1
Dimming
V : 2.8V to 16V, V
= 36V, 1000:1 True Color PWM,
IN
SD
OUT(MAX)
OUT(MAX)
I
< 10μA, 5mm × 7mm QFN-10 Package
Dual 1.3A , 2MHz High Current LED Driver
V : 2.5V to 24V, V
= 36V, 1000:1 True Color PWM,
IN
SD
I
< 1μA, 5mm × 3mm DFN and TSSOP-16E Packages
Constant-Current, 2.3MHz, High Efficiency White LED Boost
Regulator with Integrated Schottky Diode
V : 2.5V to 12V, V
= 27V, I = 2.6mA, I < 8μA,
OUT(MAX) Q SD
IN
2mm × 2mm DFN-6 and SC70 Packages
Dual 2.3MHz, Full Function LED Driver with Integrated Schottky
Diodes and 250:1 True Color PWM Dimming
V : 2.5V to 10V, V = 32V, I = 6μA, I < 12μA,
IN
OUT(MAX)
Q
SD
3mm × 2mm DFN-10 Package
2.3MHz, 20mA LED Driver and OLED Driver with Integrated Schottky V : 2.5V to 12V, V
Diodes
= 32V, I = 1.65mA, I < 9μA,
IN
OUT(MAX)
Q
SD
3mm × 2mm DFN-12 Package
LT3517/LT3518 2.3A/1.3A 45V, 2.5MHz Full Featured LED Driver with True Color
PWM Dimming
V : 3V to 30V/40V, V
SD
= 42V, 3000:1 True Color PWM,
OUT(MAX)
IN
I
< 5μA, 4mm × 4mm QFN-16 Package
LT3590
48V Buck Mode LED Driver
V : 4.5V to 55V, V
= 5V, I = 700μA, I < 15μA,
IN
OUT(MAX) Q SD
2mm × 2mm DFN-16 and SC70 Packages
LT3591
Constant-Current, 1MHz, High Efficiency White LED Boost Regulator V : 2.5V to 12V, V = 40V, I = 4mA, I < 9μA,
IN
OUT(MAX)
Q
SD
with Integrated Schottky Diode and 80:1 True Color PWM Dimming 3mm × 2mm DFN-8 Package
True Color PWM and ThinSOT are trademarks of Linear Technology Corporation.
3595f
LT 0807 • PRINTED IN USA
LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
16
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© LINEAR TECHNOLOGY CORPORATION 2007
(408) 432-1900 FAX: (408) 434-0507 www.linear.com
Linear [ Linear ]
