MAX8631XETI Ver la hoja de datos (PDF) - Maxim Integrated
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MAX8631XETI Datasheet PDF : 15 Pages
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1x/1.5x/2x White LED Charge Pump with Two
LDOs in 4mm x 4mm Thin QFN
1μF
1μF
INPUT
2.7V TO 5.5V
10μF
C1P C1N
PIN
IN
GND
C2P C2N
LDO1
LDO2
MAIN ON/OFF
AND DIMMING
FLASH ON/OFF
AND DIMMING
ON/OFF
VOLTAGE
SELECTION
ENM2
ENM1
ENF
ENLDO
MAX8631X
MAX8631Y
P1
P2
SETM
SETF REFBP
OUT
M1
M2
M3
M4
F1
F2
F3
F4
PGND
6.81kΩ 4.12kΩ
0.01μF
1μF
1μF
OUTPUT
UP TO 480mA
10μF
MAIN
FLASH
Figure 3. Dimming Using Single-Wire, Serial-Pulse Interface
1μF
1μF
INPUT
2.7V TO 5.5V
10μF
C1P C1N
PIN
IN
GND
C2P C2N
LDO1
LDO2
ON/OFF AND
VOLTAGE
SELECTION
OUT
MAX8631X
ENM2
MAX8631Y
ENM1
ENF
ENLDO
P1
P2
SETM SETF REFBP
M1
M2
M3
M4
F1
F2
F3
F4
PGND
6.81kΩ 4.12kΩ
0.01μF
1μF
1μF
OUTPUT
UP TO 480mA
10μF MAIN FLASH
Figure 4. Providing Increased LED Current per LED
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