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| LTC3216 Datasheet, PDF (12/12 Pages) Linear Technology – 1A Low Noise High Current LED Charge Pump with Independent Torch/Flash Current Control | |||
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LTC3216
TYPICAL APPLICATIO
2.9V TO 4.4V
CIN
2.2µF
High Power Camera Light and Flash
C1
2.2µF
C2
2.2µF
C1+ C1â C2+ C2â
VIN
CPO
LTC3216
EN1 (TORCH)
EN2 (FLASH)
EN1
EN2
ISET1
ILED
ISET2
RSET1 = 20k
1%
RSET2 = 10k
1%
ILED (TOTAL) =
200mA/400mA
CCPO
4.7µF
3216 TA02
RELATED PARTS
PART NUMBER
LT1618
DESCRIPTION
Constant Current, 1.4MHz, 1.5A Boost Converter
LT1961
LTC3205
1.5A (ISW), 1.25MHz, High Efficiency Step-Up
DC/DC Converter
250mA, 1MHz, Multi-Display LED Controller
LTC3206
400mA, 800kHz, Multi-Display LED Controller
LTC3453
LT3467/LT3467A
LT3479
1MHz, 800mA Synchronous Buck-Boost
High Power LED Driver
1.1A (ISW), 1.3/2.1MHz, High Efficiency Step-Up
DC/DC Converter with Integrated Soft-Start
3A, Full Featured DC/DC Converter with Soft-Start and
Inrush Current Protection
COMMENTS
VIN: 1.6V to 18V, VOUT(MAX) = 36V, IQ = 1.8mA, ISD <1µA
MS Package
VIN: 3V to 25V, VOUT(MAX) = 35V, IQ = 0.9mA, ISD 6µA
MS8E Package
VIN: 2.8V to 4.5V, VOUT(MAX) = 5.5V, IQ = 50uA, ISD <1µA
DFN Package
VIN: 2.8V to 4.5V, VOUT(MAX) = 5.5V, IQ = 50uA, ISD <1µA
DFN Package
VIN(MIN): 2.7V to 5.5V, VIN(MAX): 2.7V to 4.5V, IQ = 2.5mA, ISD <6µA
QFN Package
VIN: 2.4V to 16V, VOUT(MAX) = 40V, IQ = 1.2mA, ISD <1µA
ThinSOT Package
VIN: 2.5V to 24V, VOUT(MAX) = 40V, IQ = 5mA, ISD <1µA
DFN, TSSOP Packages
12 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 q FAX: (408) 434-0507 q www.linear.com
3216fa
LT/LT 0305 REV A ⢠PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2004
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