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| LP3954 Datasheet, PDF (2/60 Pages) National Semiconductor (TI) – Advanced Lighting Management Unit | |||
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LP3954
SNVS340D â JUNE 2005 â REVISED MARCH 2013
Typical Application
BATTERY
CIN
10 PF
CVDD
100 nF
CVDDA
1 éF
CREF
100 nF
RRGB
RRT
MCU
CVDDIO
100 nF
CAMERA
VDD1
VDD2
VDDA
VREF
IRGB
IRT
SO
SI
SCK/SCL
SS/SDA
SYNC/PWM
VDDIO
IF_SEL
EN_FLASH
TEMP SENSOR
or
LIGHT
SENSOR
or
AUDIO INPUT
or
ASE
www.ti.com
L1 4.7 PH
D1
SW
LP3954
GNDs
COUT
FB
10 PF
WLED1
WLED2
WLED3
WLED4
WLED5
WLED6
R1
G1
B1
R2
G2
B2
FLASH
IFLASH
RFLASH
IMAX = 300...400 mA
VOUT = 4...5.3V
MAIN
BACKLIGHT
0...25 mA/LED
SUB
BACKLIGHT
0...25 mA/LED
RGB1
Up to 40 mA/LED
RGB2
Up to 40 mA/LED
FLASH
Up to 300 mA
2
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Copyright © 2005â2013, Texas Instruments Incorporated
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