LTC3209-1/LTC3209-2
20
320912fa
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2005
LT 0506 REV A • PRINTED IN USA
RELATED PARTS
PART NUMBER DESCRIPTION COMMENTS
LTC3200-5 Low Noise, 2MHz Regulated Charge Pump Up to 6 White LEDs, V
IN
: 2.7V to 4.5V, V
OUT(MAX)
= 5V, I
Q
= 8mA,
White LED Driver I
SD
≤1µA, ThinSOT Package
LTC3201 Low Noise, 1.7MHz Regulated Charge Pump Up to 6 White LEDs, V
IN
: 2.7V to 4.5V, V
OUT(MAX)
= 5V, I
Q
= 6.5mA,
White LED Driver I
SD
≤1µA, 10-Lead MS Package
LTC3202 Low Noise, 1.5MHz Regulated Charge Pump Up to 8 White LEDs, V
IN
: 2.7V to 4.5V, V
OUT(MAX)
= 5V, I
Q
= 5mA,
White LED Driver I
SD
≤1µA, 10-Lead MS Package
LTC3205 Multidisplay LED Controller 92% Efficiency, V
IN
: 2.8V to 4.5V, I
Q
= 50µA, I
SD
≤ 1µA,
(4mm × 4mm) QFN Package
LTC3206 I
2
C Multidisplay LED Controller 92% Efficiency, 400mA Continuous Output Current. Up to 11 White
LEDs in (4mm × 4mm) QFN Package
LTC3208 High Current Software Configurable Multidisplay 95% Efficiency, V
IN
: 2.9V to 4.5V, V
OUT(MAX)
: 5.5V, I
Q
= 280µA,
LED Controller I
SD
< 1µA, (5mm × 5mm) QFN-32 Package
LTC3214 500mA Camera LED Charge Pump 94% Efficiency, V
IN
: 2.9V to 4.5V, I
Q
= 300µA, I
SD
< 2.5µA, 500mA
Output Current, 10-Lead (3mm × 3mm) DFN Package
LTC3215 700mA Low Noise High Current LED Charge Pump V
IN
: 2.9V to 4.4V, V
OUT(MAX)
= 5.5V, I
Q
= 300µA, I
SD
< 2.5µA
(3mm × 3mm) DFN Package
LTC3216 1A Low Noise High Current White LED Driver 93% Efficiency, 1A Output Current, 12-Lead (3mm × 4mm)
DFN Package, Independent Low/High Current Programming
LTC3217 600mA Low Noise Multi-LED Camera Light V
IN
: 2.9V to 4.4V, I
Q
= 400µA, Four Outputs, (3mm × 3mm) 16-Lead
DFN Package
LTC3251 500mA (I
OUT
), 1MHz to 1.6MHz Spread Spectrum 85% Efficiency, V
IN
: 3.1V to 5.5V, V
OUT
: 0.9V to 1.6V, I
Q
= 9µA,
Step-Down Charge Pump I
SD
≤1µA, 10-Lead MS Package
LTC3440 600mA (I
OUT
), 2MHz Synchronous Buck-Boost 95% Efficiency, V
IN
: 2.5V to 5.5V, V
OUT(MIN)
= 2.5V, I
Q
= 25µA,
DC/DC Converter I
SD
≤1µA, 10-Lead MS Package
ThinSOT is a trademark of Linear Technology Corporation.
TYPICAL APPLICATIO
U
4 LED MAIN, 1 LED SUB, 400mA CAM LED Controller Plus Regulated Output
R
REF
DV
CC
V
BAT
DV
CC
I
2
C
V
BAT1
V
BAT2
C2
2.2µF
C3
2.2µF
C4
2.2µF
C1
2.2µF
C6
0.1µF
C1P C1M
LTC3209-1
C2P C2M
CAM
AUX
CPO
GND
CAMHL
R1
24.3k
SDA
SCL
MAIN1
MAIN2
MAIN3
MAIN4
MAIN5
MAIN6
C5
0.1µF
TORCH FLASH
3209 TA03
EN
SPEAKER
5.1V, 2x MODE
4.6V, 1.5x MODE
1x400mA
CAM
1x15mA
AUX
4x25mA
MAIN
