LTC3230_15 Datasheet, PDF (16/16 Pages) Linear Technology – 5-LED Main/Sub Display Driver with Dual LDO

LTC3230
TYPICAL APPLICATION
3-LED Main and One LED Sub at 20mA Full Scale
C1
C2
1mF
1mF
V_IN = 2.7V
TO 5.5V
C1P C1M C2P C2M
C3
V_IN
CPO
2.2mF
LTC3230
ENM ENM
ENS ENS
ENLDO1
ENLDO2
ENLDO1
ENLDO2
V1
MLED1
MLED2
MLED3
MLED4
SLED
LDO1
LDO2
R_SET
21.5k
V2
R_{SET GND}
C6
1mF D1
MAIN
D2
D3
SUB
D5
1.2V
3.3V
C5
C4
1mF
1mF
MLED4
DISABLED
3230 TA02
ENM OR ENS
SET BRIGHTNESS LEVEL ON OFF
RELATED PARTS
PART
NUMBER
LT^®3023
LT3024
LT3028
LTC3207
LTC3208
LTC3209
LTC3210/
LTC3210-1/
LTC3210-2/
LTC3210-3
LTC3219
DESCRIPTION
COMMENTS
Dual 100mA, Low Noise Micropower, LDO
Dual Low Noise < 20μV_RMS, Stable with 1μF Ceramic Capacitors, V_IN: 1.8V to 20V,
V_OUT(MIN) = 1.22V, Dropout Voltage = 0.3V, I_Q = 40μA, I_SD < 1μA, V_OUT = Adj., MS10,
DFN Packages
Dual 100mA/500mA, Low Noise Micropower, LDO Dual Low Noise < 20μV_RMS, Stable with 1μF/3.3μF Ceramic Capacitors,
V_IN: 1.8V to 20V, V_OUT(MIN) = 1.22V, Dropout Voltage = 0.3V, I_Q = 60μA,
I_SD < 1μA, V_OUT = Adj., TSSOP16, DFN Packages
Dual 100mA/500mA, Low Noise Micropower, LDO Dual Low Noise < 20μV_RMS, Stable with 1μF/3.3μF Ceramic Capacitors,
with Independent Inputs
V_IN: 1.8V to 20V, V_OUT(MIN) = 1.22V, Dropout Voltage = 0.3V/3.3μF, I_Q = 60μA/65μA,
I_SD < 1μA, V_OUT = Adj., TSSOP16, DFN Packages
600mA Universal Multi-Output LED/CAM Driver V_BAT: 2.9V to 5.5V, 12 Universal Individually Controlled LED Drivers, One Camera
Driver, 4mm × 4mm QFN Package
High Current Software Configurable Multidisplay 95% Efficiency, V_IN: 2.9V to 4.5V, 1A Output Current; Up to 17 LEDs for 5 Displays,
LED Controller
5mm × 5mm QFN Package
600mA MAIN/Camera LED Controller
Up to 8 LEDs, 94% Efficiency, V_IN: 2.9V to 4.5V, 1x/1.5x/2x Boost Modes, 4mm ×
4mm QFN Package
500mA MAIN/Camera LED Controller
Up to 5 LEDs, 95% Efficiency, V_IN: 2.9V to 4.5V, 1x/1.5x/2x Boost Modes, Exponential
Brightness Control, “-1” Version Has 64-Step Linear Brightness Control, 3mm × 3mm
QFN Package, “-2” Version Drives 4 Main LEDs, “-3” Drives 3 Main LEDs
250mA Universal 9-Channel LED Driver
91% Efficiency, V_IN: 2.9V to 5.5V, Up to 9 × 28mA LEDs, Universal LED
Programmability, 3mm × 3mm QFN20 Package
16 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] ^● FAX: [phone] ^● www.linear.com
3230fa
LT 0108 REV A • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2007