LTC3208 Datasheet, PDF (24/24 Pages) Linear Technology – High Current Software Confi gurable Multidisplay LED Controller

LTC3208
TYPICAL APPLICATIO
6-LED MAIN, 800mA Camera LED, Plus RGB Driver
C2
2.2µF
C3
2.2µF
V_BAT
C1
4.7µF
C5
0.1µF
I²C
DV_CC
C6
0.1µF
ENABLE DISABLE
LOW HI
C1P C1M C2P C2M
V_BAT1
CPO
LTC3208
V_BAT2
V_BAT3
SCL/SDA
DV_CC
ENRGBS
4
MAIN1-4
SUB1-2 ²
CAM1-4 ⁴
AUX1-4 ⁴
RGB ³
CAMHL
R_REF
GND
24.3k
1%
C4
4.7µF
MAIN
D1 = Lumiled LXCL-PWF1
CAMERA
INDICATOR
D1
RG B
3208 TA08
RELATED PARTS
PART NUMBER
LT^®1618
LTC1911-1.5
LT1932
LT1937
LTC3200-5
DESCRIPTION
Constant Current, Constant Voltage, 1.4MHz
High Efficiency Boost Regulator
250mA (I_OUT), 1.5MHz High Efficiency
Step-Down Charge Pump
Constant Current, 1.2MHz High Efficiency White
LED Boost Regulator
Constant Current, 1.2MHz High Efficiency White
LED Boost Regulator
Low Noise, 2MHz Regulated Charge Pump
White LED Driver
COMMENTS
Up to 16 White LEDs, V_IN: 1.6V to 18V, V_OUT(MAX) = 34V, I_Q = 1.8mA,
I_SD ≤1µA, 10-Lead MS Package
75% Efficiency, V_IN: 2.7V to 5.5V, V_OUT(MIN) = 1.5V/1.8V, I_Q = 180µA,
I_SD ≤10µA, MS8 Package
Up to 8 White LEDs, V_IN: 1V to 10V, V_OUT(MAX) = 34V, I_Q = 1.2mA, I_S ≤1µA,
ThinSOT^TM Package
Up to 4 White LEDs, V_IN: 2.5V to 10V, V_OUT(MAX) = 34V, I_Q = 1.9mA,
I_SD ≤1µA, ThinSOT, SC70 Packages
Up to 6 White LEDs, V_IN: 2.7V to 4.5V, V_OUT(MAX) = 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, V_OUT(MAX) = 5V, I_Q = 6.5mA, I_SD ≤1µA,
10-Lead MS
LTC3202
Low Noise, 1.5MHz Regulated Charge Pump
White LED Driver
Up to 8 White LEDs, V_IN: 2.7V to 4.5V, V_OUT(MAX) = 5V, I_Q = 5mA, I_SD ≤1µA,
10-Lead MS Package
LTC3205
LTC3206
Multidisplay LED Controller
I²C Multidisplay LED Controller
LTC3216
1A High Current, Low Noise, White LED Driver
LTC3251
500mA (I_OUT), 1MHz to 1.6MHz Spread Spectrum
Step-Down Charge Pump
LTC3405/LTC3405A 300mA (I_OUT), 1.5MHz Synchronous Step-Down
DC/DC Converter
LTC3406/LTC3406B 600mA (I_OUT), 1.5MHz Synchronous Step-Down
DC/DC Converter
92% Efficiency, V_IN: 2.8V to 4.5V, I_Q = 50µA, I_SD ≤ 1µA,
4mm × 4mm QFN Package
92% Efficiency, 400mA Continuous Output Current. Up to 11 White LEDs in
4mm x 4mm QFN Package
93% Efficiency, V_IN: 2.9V to 4.4V, 1x/1.5x/2x Boost Modes, Independent
Low/High Current Programming
85% Efficiency, V_IN: 3.1V to 5.5V, V_OUT: 0.9V to 1.6V, I_Q = 9µA,
I_SD ≤1µA, 10-Lead MS Package
95% Efficiency, V_IN: 2.7V to 6V, V_OUT(MIN) = 0.8V, I_Q = 20µA, I_SD ≤1µA,
ThinSOT Package
95% Efficiency, V_IN: 2.5V to 5.5V, V_OUT(MIN) = 0.6V, I_Q = 20µA, I_SD ≤1µA,
ThinSOT Package
LTC3440
600mA (I_OUT), 2MHz Synchronous Buck-Boost
DC/DC Converter
95% Efficiency, V_IN: 2.5V to 5.5V, V_OUT(MIN) = 2.5V, I_Q = 25µA, I_SD ≤1µA,
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.
3208fa
24 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
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LT 0106 REV A • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2005