LT3498
TYPICAL APPLICATION
Output Voltage Ripple
vs Load Current
R FB2 VALUE REQUIRED
MAXIMUM OUTPUT
CURRENT AT 3V INPUT
7
6
5
4
3
2
1
V OUT
25
24
23
22
21
20
19
18
(M Ω )
3.57
3.40
3.24
3.09
2.94
2.80
2.67
2.49
(mA)
12.5
13.4
14.4
15.6
16.8
18.1
19.6
21.2
0
0.1
1
10
100
17
2.37
22.5
LOAD CURRENT (mA)
3498 TA06d
16
15
2.21
2.05
24.2
26
RELATED PARTS
PART
NUMBER
LT1932
LT1937
LT3463/
LT3463A
DESCRIPTION
Constant-Current, 1.2MHz, High Ef?ciency White LED
Boost Regulator
Constant-Current, 1.2MHz, High Ef?ciency White LED
Boost Regulator
Dual Output, Boost/Inverter, 250mA I SW , Constant Off-
Time, High Ef?ciency Step-Up DC/DC Converter with
Integrated Schottky Diodes
COMMENTS
V IN : 1V to 10V; V OUT(MAX) = 34V; I Q = 1.2mA; I SD = <1μA; ThinSOT TM Package
V IN : 2.5V to 10V; V OUT(MAX) = 34V; I Q = 1.9μA; I SD = <1μA; ThinSOT and
SC70 Packages
V IN : 2.3V to 15V; V OUT(MAX) = ±40V; I Q = 40μA; I SD = <1μA; 3mm × 3mm
DFN-10 Package
LT3465/
Constant-Current, 1.2/2.7MHz, High Ef?ciency White LED V IN : 2.3V to 16V; V OUT(MAX) = 40V; I Q = 40μA; I SD = <1μA; 3mm × 3mm
LT3465A
LT3466/
LT3466-1
LT3471
Boost Regulator with Integrated Schottky Diode
Dual Constant-Current, 2MHz, High Ef?ciency White LED
Boost Regulator with Integrated Schottky Diode
Dual Output, Boost/Inverter, 1.3A ISW, 1.2MHZ, High
Ef?ciency Boost-Inverting DC/DC Converter
DFN-10 Package
V IN : 2.3V to 16V; V OUT(MAX) = 40V; I Q = 65μA; I SD = <1μA; 3mm × 2mm
DFN-8 Package
V IN : 2.4V to 16V; V OUT(MAX) = ±40V; I Q = 2.5μA; I SD = <1μA; 3mm × 3mm
DFN-10 Package
LT3473/
40V, 1A , 1.2MHz Micropower Low Noise Boost Converter V IN : 2.2V to 16V; V OUT(MAX) = 36V; I Q = 150μA; I SD = <1μA; 3mm × 3mm
LT3473A
LT3491
LT3494/
LT3494A
LT3497
LT3591
with Output Disconnect
Constant-Current, 2.3MHz, High Ef?ciency White LED
Boost Regulator with Integrated Schottky Diode
40V, 180mA/350mA Micropower Low Noise Boost
Converter with Output Disconnect
Dual 2.3MHz, Full Function LED Driver with Integrated
Schottky Diode and 250:1 True Color PWM TM Dimming
Constant-Current, 1MHz, High Ef?ciency White LED
Boost Regulator with Integrated Schottky Diode and 80:1
DFN-12 Package
V IN : 2.5V to 12V; V OUT(MAX) = 27V; I Q = 12.6μA; I SD = <8μA; 2mm × 2mm
DFN-6 and SC70 Packages
V IN : 2.3V to 16V; V OUT(MAX) = 40V; I Q = 65μA; I SD = <1μA; 3mm × 2mm
DFN-8 Package
V IN : 2.5V to 10V; V OUT(MAX) = 32V; I Q = 6mA; I SD = <12μA; 3mm × 2mm
DFN-10 Package
V IN : 2.5V to 12V; V OUT(MAX) = 40V; I Q = 4mA; I SD = <9μA; 3mm × 2mm
DFN-8 Package
True Color PWM Dimming
ThinSot and True Color PWM are trademarks of Linear Technology Corporation
3498fa
24 Linear Technology Corporation
(408) 432-1900 ● FAX: (408) 434-0507 www.linear.com
1630  McCarthy  Blvd.,  Milpitas,  CA  95035-7417
LT 0508 REV A ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2007
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