XC9116
Series
■APPLICATION
INFORMATION (Continued)
<Illumination of Six in Total White LEDs>
It is possible to illuminate three-series two parallel white LEDs, six in total, using an input voltage V
IN
≧3.2V.
L:22uF
CDRH3D16
VIN
3.2V~6.0V
SD
XB0ASB03A1B
CIN:
4.7uF
VIN
Lx
CL:
0.22uF
CE
VSS
FB
RLED1
10Ω
RLED1
10Ω
<Use as Flash>
An LED current 65mA (MAX.) can be supplied to two white LEDs.
L
VIN
SD
VIN
CIN
Lx
ILED
CL
RLED1
CE
ON/OFF
VSS
FB
RLED
signal
SW1
<Separate Supply Source of the Step-up Circuit (V
IN
) from V
IN
Pin>
Supply source of the step-up circuit can be used separately from V
IN
pin.
SD
L:22uF
VLF3010A XB0ASB03A1B
VIN
1.7V~
3.0V
CIN
4.7uF
CDD
4.7uF
VIN
CE
Lx
FB
VSS
RLED
20Ω
10mA
CL
0.22uF
L:22uF
SD
VLF3010A XB0ASB03A1B
VIN
1.4V~
3.0V
CIN
4.7uF
CDD
4.7uF
VIN
CE
Lx
FB
VSS
RLED
20Ω
10mA
CL
0.22uF
Circuit example of separating supply source of
the step-up circuit from V
IN
pin ( 3 LEDs)
Note: Please input 2.5V~6V to the V
IN
pin when you use.
Circuit example of separating supply source of
the step-up circuit from V
IN
pin ( 2 LEDs)
9/22
TOREX [ TOREX SEMICONDUCTOR ]
