LTC3217_15 Datasheet, PDF (12/12 Pages) Linear Technology – 600mA Low Noise Multi-LED Camera Light Charge Pumps

LTC3217
TYPICAL APPLICATION
500mA Camera Flash with PWM Brightness Control
C2
2.2μF
C3
2.2μF
VBAT
C1
2.2μF
1kHz
PWM
(5% TO 100% DC)
C1P C1M C2P C2M
VBAT
CPO
LTC3217
EN1
EN2
ISET1
ISET2
LED1
LED2
LED3
LED4
GND
NC
3.92k
1%
C4
2.2μF
I_LED
500mA (MAX)
3217 TA02
RELATED PARTS
PART NUMBER
DESCRIPTION
COMMENTS
LT^®1618
LTC1911-1.5
LT1932
LT1937
LTC3200-5
LTC3201
LTC3202
LTC3205
LTC3206
Constant Current, Constant Voltage, 1.4MHz High
Efficiency Boost Regulator
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
250mA (I_OUT), 1.5MHz High Efficiency Step-Down
Charge Pump
75% Efficiency, V_IN: 2.7V to 5.5V, V_OUT(MAX) = 1.5V/1.8V, I_Q = 180μA,
I_SD ≤10μA, MS8 Package
Constant Current, 1.2MHz High Efficiency White LED Up to 8 White LEDs, V_IN: 1V to 10V, V_OUT(MAX) = 34V, I_Q = 1.2mA,
Boost Regulator
I_SD ≤1μA, ThinSOT™ Package
Constant Current, 1.2MHz High Efficiency White LED Up to 4 White LEDs, V_IN: 2.5V to 10V, V_OUT(MAX) = 34V, I_Q = 1.9mA,
Boost Regulator
I_SD ≤1μA, ThinSOT, SC70 Packages
Low Noise, 2MHz Regulated Charge Pump White LED Up to 6 White LEDs, V_IN: 2.7V to 4.5V, V_OUT(MAX) = 5V, I_Q = 8mA,
Driver
I_SD ≤1μA, ThinSOT Package
Low Noise, 1.7MHz Regulated Charge Pump White LED Up to 6 White LEDs, V_IN: 2.7V to 4.5V, V_OUT(MAX) = 5V, I_Q = 6.5mA,
Driver
I_SD ≤1μA, 10-Lead MS Package
Low Noise, 1.5MHz Regulated Charge Pump White LED Up to 8 White LEDs, V_IN: 2.7V to 4.5V, V_OUT(MAX) = 5V, I_Q = 5mA,
Driver
I_SD ≤1μA, 10-Lead MS Package
Multidisplay LED Controller
92% Efficiency, V_IN: 2.8V to 4.5V, I_Q = 50μA, I_SD ≤1μA,
(4mm × 4mm) QFN Package
I²C 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 LED 95% Efficiency, V_IN: 2.9V to 4.5V, 1A Output Current, Up to 17 LEDs for
Controller
5 Displays, (5mm × 5mm) QFN Package
LTC3214
LTC3215
LTC3216
500mA Camera LED Charge Pump
700mA High Current, Low Noise, White LED Driver
1A High Current, Low Noise, White LED Driver
93% Efficiency, V_IN: 2.9V to 4.4V, 1x/1.5x/2x Boost Modes,
3mm × 3mm DFN Package
93% Efficiency, V_IN: 2.9V to 4.4V, 1x/1.5x/2x Boost Modes,
3mm × 3mm DFN Package
93% Efficiency, V_IN: 2.9V to 4.4V, 1x/1.5x/2x Boost Modes, Independent
Low/High Current Programming, 3mm × 4mm DFN Package
LTC3251
500mA (I_OUT), 1MHz to 1.6MHz Spread Spectrum
Step-Down Charge Pump
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
LTC3405/LTC3405A 300mA (I_OUT), 1.5MHz Synchronous Step-Down DC/DC 95% Efficiency, V_IN: 2.7V to 6V, V_OUT(MIN) = 0.8V, I_Q = 20μA, I_SD ≤1μA,
Converter
ThinSOT Package
LTC3406/LTC3406A 600mA (I_OUT), 1.5MHz Synchronous Step-Down DC/DC 95% Efficiency, V_IN: 2.7V to 5.5V, V_OUT(MIN) = 0.6V, I_Q = 20μA, I_SD ≤1μA,
Converter
ThinSOT Package
ThinSOT is a trademark of Linear Technology Corporation.
3217fa
12 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
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LT 0208 REV A • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2005