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MAX8631X(2006) データシートの表示(PDF) - Maxim Integrated
部品番号
コンポーネント説明
メーカー
MAX8631X
(Rev.:2006)
1x/1.5x/2x White LED Charge Pump with Two LDOs in 4mm x 4mm Thin QFN
Maxim Integrated
MAX8631X Datasheet PDF : 16 Pages
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1x/1.5x/2x White LED Charge Pump with Two
LDOs in 4mm x 4mm Thin QFN
1
µ
F
1
µ
F
INPUT
2.7V TO 5.5V
10
µ
F
C1P C1N
PIN
IN
GND
C2P C2N
LDO1
LDO2
ON
OFF
PWM INPUT
ON/OFF
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
6.81k
Ω
4.12k
Ω
0.01
µ
F
1
µ
F
1
µ
F
OUTPUT
UP TO 480mA
10
µ
F
MAIN
FLASH
Figure 3. Dimming Using PWM Signal into ENM1
1
µ
F
1
µ
F
INPUT
2.7V TO 5.5V
10
µ
F
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
6.81k
Ω
4.12k
Ω
0.01
µ
F
1
µ
F
1
µ
F
OUTPUT
UP TO 480mA
10
µ
F
MAIN FLASH
Figure 4. Providing Increased LED Current per LED
12 ______________________________________________________________________________________
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