MAX1707 Maxim Integrated Products, MAX1707 Datasheet - Page 8

• Manufacturer Part Number: MAX1707
• Description: Light-Management IC
• Manufacturer: Maxim Integrated Products

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Figure 1. Functional Diagram
Light-Management IC with Efficient 1x/1.5x/2x
Charge Pump for Backlight/Flash/RGB LEDs
8
_______________________________________________________________________________________
2.7V TO 5.5V
INPUT
2.7V TO 5.5V
4.7µF
0.1µF
C
C
VDD
IN
PIN
IN
GND
PGND
SCK
SDA
STB
V
DD
R
SET
ERROR
AMP 2
BRIGHTNESS CONTROL
CONTROL
I
2
REFERENCE
C AND
STB CONTROL
0.15V
0.6V
C1P
ERROR
1x/1.5x/2x REGULATING
AMP 1
1µF
C1
C1N
CHARGE PUMP
C2P
+
–
+
–
1µF
C2
C2N
+
–
+
–
+
–
SELECT
OVP
MIN
+
–
1.25V
+
–
+
–
OUT
+
–
+
–
+
–
MAX1707
OUT
M1
M2
M3
M4
S1
S2
S3
F1
F2
F3
F4
C
10µF
D8
D9
D10
D11
D1
D2
D3
D4
D5
D6
D7
OUT