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
INPUT
2.7V TO 5.5V
C1
10μF
C8
0.01μF
PIN
IN
GND
PGND
C3
C4
1μF
1μF
C1P C1N C2P C2N
1x/1.5x/2x REGULATING
CHARGE PUMP
ERROR
AMP 1
REFBP
ENM1
ENM2
ENF
ENLDO
CONTROL AND
REFERENCE
0.15V
FLASH CONTROL
MAIN CONTROL
0.6V
P1
P2
IN
+
–
OVD
SELMIN
+
–
LOW-
DROPOUT
LINEAR
REGULATORS
1.25V
+
+
–
–
LDO1
LDO2
C6
1μF
C7
1μF
OUTPUT
OUT UP TO 480mA
C5
10μF
M1
D1
M2
D2
M3
D3
M4
D4
RSETM
6.81kΩ
SETM
ERROR
AMP 2
IN
RSETF
4.12kΩ
ERROR
AMP 3
SETF
GND
F1
D5
F2
D6
F3
D7
F4
D8
+
+
+
+
–
–
–
–
MAX8631X
MAX8631Y
GND
Figure 1. Functional Diagram and Application Circuit
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