MAX8831
High-Efficiency, White LED Step-Up Converter
with I
2
C Interface in 2mm x 2mm WLP
______________________________________________________________________________________ 25
C2
1μF
OUT
PGND
PGND
LED1
LED5
LED4
LED3
LED2
LX
IN
V
DD
SCL
SDA
COMP
LX
GND
C3
0.1μF
C4
0.22μF
V
DD
1.6V TO 5.5V
C1
1μF
V
IN
2.7V TO 5.5V
L1
10μH
MAX8831
D2–D9 D10–D17 D18–D26 D27–D35 D36–D44
D1
Figure 15. MAX8831 Applications Circuit
MAX8831
High-Efficiency, White LED Step-Up Converter
with I
2
C Interface in 2mm x 2mm WLP
26 ______________________________________________________________________________________
Chip Information
PROCESS: BiCMOS
UP TO
5.0mA/LED
UP TO
25.25mA/LED
V
OUT
UP TO 28V
1μF
OUT
PGND
PGND
LED1
LED5
LED4
LED3
LED2
LX
IN
V
DD
SCL
SDA
COMP
LX
GND
0.1μF
0.22μF
V
DD
1.6V TO 5.5V
1μF
VIN
2.7V TO 5.5V
10μH
MAX8831
Typical Operating Circuit
MAX8831
High-Efficiency, White LED Step-Up Converter
with I
2
C Interface in 2mm x 2mm WLP
______________________________________________________________________________________ 27
WLP
A
B
C
12 3
4
A1
A2
A3
A4
B1
B2
B3
B4
C1
C2
C3
C4
D1
D2
D3
D4
GND
COMP
LED1
LED3
LED5
SCL
LED2
LED4
MAX8831
PGND
OUT
LX
IN
TOP VIEW
(BUMPS ON BOTTOM)
PGND
V
DD
LX
SDA
D
+
Pin Configuration Package Information
For the latest package outline information and land patterns, go
to www.maxim-ic.com/packages
.
PACKAGE TYPE PACKAGE CODE DOCUMENT NO.
16 WLP W162B2+1
21-0200

MAX8831EWE+T

Mfr. #:
Manufacturer:
Maxim Integrated
Description:
LED Lighting Drivers White LED Step-Up Converter
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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