Diodes AP3012 - Manual (Page 9)

9
May 2010 Rev. 1. 6 BCD Semiconductor Manufacturing Limited
Data Sheet
1.5MHz STEP-UP DC-DC CONVERTER AP3012
Typical Application
Figure 12. LCD/OLED Display Bias Driver Typical Circuit
Note: V
OUT
=1.25*(1+R1/R2)=1.25*19.2=24V
V
IN
SW
SHDN AP3012 FB
GND
V
IN
L1
10 µΗ
5V
OFF ON
C1
1 µF
C2
1 µF
D1
1N5819
R2
5.1K
R1
92.82K
RLOAD
V
OUT
24V
C: X5R or X7R Dielectric
L: SUMIDA CDTH3D14/HPNP-100NC or Equivalent