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LTC3209-1/LTC3209-2
TYPICAL APPLICATIO
4 LED MAIN, 1 LED SUB, 400mA CAM LED Controller Plus Regulated Output
C2
2.2 μ F
C3
2.2 μ F
V BAT1
V BAT
C1
2.2 μ F
DV CC
C6
0.1 μ F
C5
0.1 μ F
C1P C1M C2P C2M
CPO
V BAT2
LTC3209-1
MAIN1
DV CC
MAIN2
MAIN3
MAIN4
C4
2.2 μ F
4x25mA
MAIN
1x15mA 1x400mA
AUX CAM
5.1V, 2x MODE
4.6V, 1.5x MODE
SPEAKER
EN
I 2 C
SCL
SDA
MAIN5
MAIN6
AUX
TORCH FLASH
CAMHL
R REF
CAM
GND
3209 TA03
R1
24.3k
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DESCRIPTION
Low Noise, 2MHz Regulated Charge Pump
White LED Driver
Low Noise, 1.7MHz Regulated Charge Pump
White LED Driver
Low Noise, 1.5MHz Regulated Charge Pump
White LED Driver
Multidisplay LED Controller
I 2 C Multidisplay LED Controller
High Current Software Configurable Multidisplay
LED Controller
500mA Camera LED Charge Pump
700mA Low Noise High Current LED Charge Pump
1A Low Noise High Current White LED Driver
600mA Low Noise Multi-LED Camera Light
500mA (I OUT ), 1MHz to 1.6MHz Spread Spectrum
Step-Down Charge Pump
600mA (I OUT ), 2MHz Synchronous Buck-Boost
DC/DC Converter
COMMENTS
Up to 6 White LEDs, V IN : 2.7V to 4.5V, V OUT(MAX) = 5V, I Q = 8mA,
I SD ≤ 1 μ A, ThinSOT Package
Up to 6 White LEDs, V IN : 2.7V to 4.5V, V OUT(MAX) = 5V, I Q = 6.5mA,
I SD ≤ 1 μ A, 10-Lead MS Package
Up to 8 White LEDs, V IN : 2.7V to 4.5V, V OUT(MAX) = 5V, I Q = 5mA,
I SD ≤ 1 μ A, 10-Lead MS Package
92% Efficiency, V IN : 2.8V to 4.5V, I Q = 50 μ A, I SD ≤ 1 μ A,
(4mm × 4mm) QFN Package
92% Efficiency, 400mA Continuous Output Current. Up to 11 White
LEDs in (4mm × 4mm) QFN Package
95% Efficiency, V IN : 2.9V to 4.5V, V OUT(MAX) : 5.5V, I Q = 280 μ A,
I SD < 1 μ A, (5mm × 5mm) QFN-32 Package
94% Efficiency, V IN : 2.9V to 4.5V, I Q = 300 μ A, I SD < 2.5 μ A, 500mA
Output Current, 10-Lead (3mm × 3mm) DFN Package
V IN : 2.9V to 4.4V, V OUT(MAX) = 5.5V, I Q = 300 μ A, I SD < 2.5 μ A
(3mm × 3mm) DFN Package
93% Efficiency, 1A Output Current, 12-Lead (3mm × 4mm)
DFN Package, Independent Low/High Current Programming
V IN : 2.9V to 4.4V, I Q = 400 μ A, Four Outputs, (3mm × 3mm) 16-Lead
DFN Package
85% Efficiency, V IN : 3.1V to 5.5V, V OUT : 0.9V to 1.6V, I Q = 9 μ A,
I SD ≤ 1 μ A, 10-Lead MS Package
95% Efficiency, V IN : 2.5V to 5.5V, V OUT(MIN) = 2.5V, I Q = 25 μ A,
I SD ≤ 1 μ A, 10-Lead MS Package
ThinSOT is a trademark of Linear Technology Corporation.
320912fa
(408) 432-1900 ● FAX: (408) 434-0507 www.linear.com
20
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
●
LT 0506 REV A ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2005
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