Diodes AP3031 - Manual (Page 12)

Data Sheet
12
Dec. 2012 Rev. 1. 6 BCD Semiconductor Manufacturing Limited
WHITE LED STEP-UP CONVERTER AP3031
Typical Application
FB
AP3031
GND
V
IN
SW
CTRL
C
IN
10 μF
C
OUT
0.47 μF
V
IN
5V V
OUT
L 4.7 μH
R
ISET
3*13
On /Off
D
OV
3 ×13 WLEDs
Booster for LNB Application (Note 4)
L1
D1
C
IN
R3
R4
R2
R1
V
IN
SW
CTRL
GND
FB
OV
V
IN
12V
V
OUT
18V
C
OUT
AP3031