Datasheet
LT3593
16
3593f
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 0308 • PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
Li-Ion Driver for Six LEDs Effi ciency
PART NUMBER DESCRIPTION COMMENTS
LT1932 Constant Current, 1.2MHz, High Effi ciency White LED
Boost Regulator
Up to 8 White LEDs, V
IN
: 1V to 10V, V
OUT(MAX)
= 34V, I
Q
= 1.2mA,
I
SD
< 1µA, ThinSOT
TM
Package
LT1937 Constant Current, 1.2MHz, High Effi ciency White LED
Boost Regulator
Up to 4 White LEDs, V
IN
: 2.5V to 10V, V
OUT(MAX)
= 34V, I
Q
= 1.9mA,
I
SD
< 1µA, ThinSOT and SC70 Packages
LT C
®
3200 Low Noise, 2MHz Regulated Charge Pump White
LED Driver
Up to 6 White LEDs, V
IN
: 2.7V to 4.5V, I
Q
= 8mA, I
SD
< 1µA, MS Package
LTC3200-5 Low Noise, 2MHz Regulated Charge Pump White
LED Driver
Up to 6 White LEDs, V
IN
: 2.7V to 4.5V, I
Q
= 8mA, I
SD
< 1µA, ThinSOT
Package
LTC3201 Low Noise, 1.7MHz Regulated Charge Pump White
LED Driver
Up to 6 White LEDs, V
IN
: 2.7V to 4.5V, I
Q
= 6.5mA, I
SD
< 1µA, MS Package
LTC3202 Low Noise, 1.5MHz Regulated Charge Pump White
LED Driver
Up to 8 White LEDs, V
IN
: 2.7V to 4.5V, I
Q
= 5mA, I
SD
< 1µA, MS Package
LTC3205 High Effi ciency, Multidisplay LED Controller Up to 4 (Main), 2 (Sub) and RGB, V
IN
: 2.8V to 4.5V, I
Q
= 50µA, I
SD
< 1µA,
24-Lead QFN Package
LTC3210 Low Noise Charge Pump LED Controller Up to 4 White LEDs and One High current CAM LED, V
IN
: 2.9V to 4.5V,
I
Q
= 4.5mA, I
SD
< 6µA, UD Package
LT3465/LT3465A Constant Current, 1.2MHz/2.7MHz, High Effi ciency
White LED Boost Regulator with Integrated Schottky
Diode
Up to 6 White LEDs, V
IN
: 2.7V to 16V, V
OUT(MAX)
= 34V, I
Q
= 1.9mA,
I
SD
< 1µA, ThinSOT Package
LT3466/LT3466-1 Dual Full Function, 2MHz Diodes White LED Step-Up
Converter with Built-In Schottkys
Up to 20 White LEDs, V
IN
: 2.7V to 24V, V
OUT(MAX)
= 39V,
DFN and TSSOP-16 Packages
LT3486 Dual 1.3A White LED Converter with 1000:1 True
Color PWM Dimming
Drives Up to 16 100mA White LEDs. V
IN
: 2.5V to 24V, V
OUT(MAX)
= 36V,
DFN and TSSOP Packages
LT3491 White LED Driver with Integrated Schottky Up to 6 White LEDs, V
IN
: 2.5V to 12V, I
Q
= 2.6mA, I
SD
< 10µA, SC70 and
2mm × 2mm DFN Packages
LT3591 White LED Driver with Integrated Schottky Up to 10 White LEDs, V
IN
: 2.5V to 12V, I
Q
= 4mA, I
SD
< 11µA,
3mm × 2mm DFN Package
ThinSOT is a trademark of Linear Technology Corporation.
CTRL
V
IN
L1
10
µH
V
IN
3V TO 5V
3593 TA06a
LT3593
SHUTDOWN AND
CURRENT CONTROL
SW
CAP
LED
GND
C1
1
µF
C2
1
µF
C1: TAIYO YUDEN EMK107BJ105MA
C2: TAIYO YUDEN GMK316BJ105ML
L1: MURATA LQH43CN100
D1: CENTRAL CMDSH05-4
D1
LED CURRENT (mA)
0
EFFICIENCY (%)
90
70
50
80
60
40
30
10
3593 TA06b
20155
V
IN
= 3.6V
6 LEDs