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LP3954 Datasheet, PDF (40/60 Pages) National Semiconductor (TI) – Advanced Lighting Management Unit | |||
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LP3954
SNVS340D â JUNE 2005 â REVISED MARCH 2013
EXAMPLE 3
CIN CVDD1
10 éF 100 nF
L1
4.7 éH
D1
SW
BATTERY
VDD2
VDD1
CVDDA
1 éF
RRGB
VDDA
CREF
100 nF
VREF
IRGB
IRT
RRT
LP3954
MCU
CVDDIO
100 nF
SO
SI
SCK/SCL
SS/SDA
SYNC/PWM
VDDIO
IF_SEL
AUDIO
GND
FLASH_EN
ASE
GNDS
FB
WLED1
WLED2
WLED3
WLED4
WLED5
WLED6
R1
G1
B1
R2
G2
B2
FLASH
IFLASH
www.ti.com
IMAX = 300...400 mA
VOUT = 4...5.3V
COUT
10 éF
MAIN
BACKLIGHT
KEYPAD
LEDS
AUDIO
SYNC
FUNLIGHTS
RFLASH
VIBRA
⢠MAIN BACKLIGHT
⢠KEYPAD LIGHTS
⢠AUDIO SYNCHRONIZED FUNLIGHTS
⢠VIBRA
Figure 45. Candybar Phone
40
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