LTC3206
16
3206f
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2004
LT/TP 0604 1K • PRINTED IN USA
TYPICAL APPLICATIO
U
RELATED PARTS
PART NUMBER DESCRIPTION COMMENTS
LT
®
1618 Constant Current, Constant Voltage, 1.4MHz Up to 16 White LEDs, V
IN
: 1.6V to 18V, V
OUT(MAX)
= 34V, I
Q
= 1.8mA,
High Efficiency Boost Regulator I
SD
≤1µA, 10-Lead MS Package
LTC1911-1.5 250mA (I
OUT
), 1.5MHz High Efficiency 75% Efficiency, V
IN
: 2.7V to 5.5V, V
OUT(MIN)
= 1.5V/1.8V, I
Q
= 180µA,
Step-Down Charge Pump I
SD
≤10µA, MS8 Package
LT1932 Constant Current, 1.2MHz High Efficiency White Up to 8 White LEDs, V
IN
: 1V to 10V, V
OUT(MAX)
= 34V, I
Q
= 1.2mA, I
S
≤1µA,
LED Boost Regulator ThinSOT
TM
Package
LT1937 Constant Current, 1.2MHz High Efficiency White Up to 4 White LEDs, V
IN
: 2.5V to 10V, V
OUT(MAX)
= 34V, I
Q
= 1.9mA,
LED Boost Regulator I
SD
≤1µA, ThinSOT, SC70 Packages
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, I
SD
≤1µA,
White LED Driver 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, I
SD
≤1µA,
White LED Driver 10-Lead MS
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, I
SD
≤1µA,
White LED Driver 10-Lead MS Package
LTC3205 Multi-Display LED Controller 92% Efficiency, V
IN
: 2.8V to 4.5V, I
Q
= 50µA, I
SD
≤ 1µA ,
4mm × 4mm QFN 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
LTC3405/LTC3405A 300mA (I
OUT
), 1.5MHz Synchronous Step-Down 95% Efficiency, V
IN
: 2.7V to 6V, V
OUT(MIN)
= 0.8V, I
Q
= 20µA, I
SD
≤1µA,
DC/DC Converter ThinSOT Package
LTC3406/LTC3406B 600mA (I
OUT
), 1.5MHz Synchronous Step-Down 95% Efficiency, V
IN
: 2.5V to 5.5V, V
OUT(MIN)
= 0.6V, I
Q
= 20µA, I
SD
≤1µA,
DC/DC Converter ThinSOT 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, I
SD
≤1µA,
DC/DC Converter 10-Lead MS Package
LT3465/LT3465A 1.2MHz/2.7MHz with Internal Schottky Up to 6 White LEDs, V
IN
: 12.7V to 16V, V
OUT(MAX)
= 34V, I
Q
= 1.9mA,
I
SD
<1µA, ThinSOT Package
ThinSOT is a trademark of Linear Technology Corporation.
V
IN
2.2µF 2.2µF
3206 TA03
2.2µF 2.2µF
V
IN
2.7V TO
4.5V
4
MAIN DISPLAY
HIGH CURRENT
CAMERA LED
I
RGB
I
MS
I
2
C SERIAL
INTERFACE
2
3
3
LTC3206
SERIAL PORT
MAIN1-4
AUX 2
AUX 1
SUB1-2
RGB
CPO
FLASH
ENRGB/S
TORCH MODE
FLASH MODE
2.4k 12k
5-LED Main Plus Low/High Current Camera Light
