WHITE LED STEP-UP CONVERTER
Typical Application (Continued)
V
IN
≥
3V
22µΗ
Control
Signal
VIN SW
VOUT
AP3009
CTRL
FB
GND
1µF
10Ω
c. Six White LEDs Driver
C: X5R or X7R Dielectric
L: SUMIDA CDRH5D28R-220NC or Equivalent
All these circuits can work in full temperature
Figure 19. Typical White LED Drivers
Data Sheet
AP3009
0.22µF
Apr. 2007 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
11