LT3595A
16
3595af
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2007
LT 0209 • PRINTED IN USA
TYPICAL APPLICATION
RELATED PARTS
PART NUMBER DESCRIPTION COMMENTS
LT3463/
LT3463A
Dual Output, Boost/Inverter, 250mA ISW
, Constant Off-Time, High
Effi ciency Step-Up DC/DC Converter with Integrated Schottky Diodes
VIN: 2.3V to 15V, VOUT(MAX) = ±40V, IQ = 40μA, ISD < 1μA,
3mm × 3mm DFN-10 Package
LT3465/
LT3465A
Constant-Current, 1.2MHz/2.7MHz, High Effi ciency White LED Boost
Regulator with Integrated Schottky Diode
VIN: 2.7V to 16V, VOUT(MAX) = 34V, IQ = 1.9mA, ISD < 1μA,
ThinSOTTM Package
LT3466/
LT3466-1
Dual Constant-Current, 2MHz, High Effi ciency White LED Boost
Regulator with Integrated Schottky Diode
VIN: 2.7V to 24V, VOUT(MAX) = 40V, IQ = 5mA, ISD < 16μA,
3mm × 3mm DFN-10 Package
LT3474 36V, 1A (ILED), 2MHz, Step-Down LED Driver VIN: 4V to 36V, VOUT(MAX) = 13.5V, 400:1 True Color PWMTM,
ISD < 1μA, TSSOP-16E Package
LT3475 Dual 1.5A (ILED), 36V, 2MHz, Step-Down LED Driver VIN: 4V to 36V, VOUT(MAX) = 13.5V, 3000:1 True Color PWM,
ISD < 1μA, TSSOP-20E Package
LT3476 Quad Output 1.5A, 2MHz High Current LED Driver with 1000:1
Dimming
VIN: 2.8V to 16V, VOUT(MAX) = 36V, 1000:1 True Color PWM,
ISD < 10μA, 5mm × 7mm QFN-10 Package
LT3486 Dual 1.3A , 2MHz High Current LED Driver VIN: 2.5V to 24V, VOUT(MAX) = 36V, 1000:1 True Color PWM,
ISD < 1μA, 5mm × 3mm DFN and TSSOP-16E Packages
LT3491 Constant-Current, 2.3MHz, High Effi ciency White LED Boost
Regulator with Integrated Schottky Diode
VIN: 2.5V to 12V, VOUT(MAX) = 27V, IQ = 2.6mA, ISD < 8μA,
2mm × 2mm DFN-6 and SC70 Packages
LT3497 Dual 2.3MHz, Full Function LED Driver with Integrated Schottky
Diodes and 250:1 True Color PWM Dimming
VIN: 2.5V to 10V, VOUT(MAX) = 32V, IQ = 6μA, ISD < 12μA,
3mm × 2mm DFN-10 Package
LT3498 2.3MHz, 20mA LED Driver and OLED Driver with Integrated Schottky
Diodes
VIN: 2.5V to 12V, VOUT(MAX) = 32V, IQ = 1.65mA, ISD < 9μA,
3mm × 2mm DFN-12 Package
LT3517/LT3518 2.3A/1.3A 45V, 2.5MHz Full Featured LED Driver with True Color
PWM Dimming
VIN: 3V to 30V/40V, VOUT(MAX) = 42V, 3000:1 True Color PWM,
ISD < 5μA, 4mm × 4mm QFN-16 Package
LT3590 48V Buck Mode LED Driver VIN: 4.5V to 55V, VOUT(MAX) = 5V, IQ = 700μA, ISD < 15μA,
2mm × 2mm DFN-16 and SC70 Packages
LT3591 Constant-Current, 1MHz, High Effi ciency White LED Boost Regulator
with Integrated Schottky Diode and 80:1 True Color PWM Dimming
VIN: 2.5V to 12V, VOUT(MAX) = 40V, IQ = 4mA, ISD < 9μA,
3mm × 2mm DFN-8 Package
True Color PWM and ThinSOT are trademarks of Linear Technology Corporation.
5000:1 PWM Dimming at 100Hz16-Channel LED Driver (Three LEDs per Channel), 20mA Current
VIN
15V TO
45V
0.47μF 0.47μF 0.47μF 0.47μF 0.47μF 0.47μF 0.47μF 0.47μF
0.47μF
10μF
0.47μF 0.47μF 0.47μF 0.47μF 0.47μF 0.47μF 0.47μF
3595A TA03
L1 SW1 SW2 L4SW3 SW7L3 SW4 L5 L6SW5 SW6L2 L7 SW8 L8
L16 SW16 SW15 VIN L13SW14 VIN SW10L14 SW13 L12 L11SW12 SW11L15 L10 SW9 L9
100μH
100μH
100μH
100μH
100μH
100μH
100μH
100μH
100μH
100μH
100μH
100μH
100μH
100μH
100μH
100μH
LT3595A
LED
BRIGHTNESS
CONTROL
3V TO
5.5V
VCC
10μF
100k
75.0k
OPENLED
PWM1
PWM2
PWM3
PWM4
PWM5
PWM6
PWM7
PWM8
VCC
PWM9
PWM10
PWM11
PWM12
PWM13
PWM14
PWM15
PWM16
GND
RSET
LED
BRIGHT-
NESS
CONTROL
SHDN
400ns/DIV
ILED
10mA/DIV
ISW
20mA/DIV
VPWM
5V/DIV
3595A TA03b
VIN = 15V
3 LEDS AT 20mA
T = 10ms
tON = 2μs