MAX8645X(2006) 查看數據表（PDF） - Maxim Integrated
零件编号
产品描述 (功能)
比赛名单
MAX8645X
(Rev.:2006)
(Rev.:2006)
Maxim Integrated
MAX8645X Datasheet PDF : 15 Pages
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1x/1.5x/2x White LED Charge Pumps with Two
LDOs in 4mm x 4mm TQFN
C3
C4
1μF
1μF
INPUT
2.7V TO 5.5V
C1
10μF
C1P C1N
PIN
IN
GND
C2P C2N
LDO1
LDO2
ON
OUT
MAX8645X
ENM2
MAX8645Y
OFF
PWM INPUT
ENM1
M1
ON/OFF
ENF
M2
ON/OFF
ENLDO
M3
M4
M5
VOLTAGE
P1
M6
SELECTION
P2
F1
F2
SETM SETF REFBP
PGND
RSETM
RSETF
6.81kΩ 4.12kΩ
C8
0.01μF
C6
1μF
C7
1μF
OUTPUT
UP TO 480mA
C5
10μF
MAIN
FLASH
Figure 2. Dimming Using PWM Signal into ENM1
1μF
1μF
INPUT
2.7V TO 5.5V
10μF
C1P C1N
PIN
IN
GND
C2P C2N
LDO1
LDO2
ON/OFF AND
VOLTAGE
SELECTION
OUT
MAX8645X
ENM2
MAX8645Y
ENM1
ENF
ENLDO
P1
P2
SETM SETF REFBP
M1
M2
M3
M4
M5
M6
F1
F2
PGND
6.81kΩ 4.12kΩ
0.01μF
1μF
1μF
OUTPUT
UP TO 480mA
10μF
MAIN
FLASH
Figure 3. Providing Increased LED Current per LED
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