YB1313 Datasheet, PDF (4/9 Pages) YOBON TECHNOLOGIES,INC. – 1x/1.5x/2x Charge Pump for White LED Application

YB1313
1x/1.5x/2x Charge Pump for White LED Application
Typical Characteristics
V_IN=3.6V, C_IN=C₁=C₂=1μF, C_OUT=2.2μF, unless otherwise noted.
Efficiency vs. Supply Voltage (Full Load)
1.5X Mode Inrush Current 2/3 Load
100
90
80
70
60
50
40
30
2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3
Supply Voltage (V)
1.5X Mode, 2/3 Load
EN0/EN1
DC
Coupled
5V/Div
VOUT
DC
Coupled
5V/Div
IIN
DC
Coupled
500mA/Div
Time=500μs/div
1.5X Mode Inrush Current Full Load
VOUT
DC
Coupled
50mV/Div
C2-
DC
Coupled
2V/Div
VDX
DC
Coupled
1V/Div
Time=1μs/div
1.5X Mode, Full Load
EN0/EN1
DC
Coupled
5V/Div
VOUT
DC
Coupled
5V/Div
IIN
DC
Coupled
500mA/Div
Time=500μs/div
VOUT
DC
Coupled
50mV/Div
C2-
DC
Coupled
2V/Div
VDX
DC
Coupled
1V/Div
Time=1μs/div
YB1313 MRev.1.1
www.yobon.com.tw
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