Diodes AP1609 - Manual (Page 6)

AP1609
PWM/PFM DUAL MODE STEP-UP DC/DC CONVERTER
AP1609 Rev. 2 6 of 9 FEBRUARY 2009
www.diodes.com © Diodes Incorporated
Typical Performance Characteristics
0
30
60
90
120
150
180
210
3 3.5 4 4.5 5 5.5 6
Vcc vs. Supply Current
Vcc (V)
Supply Cur
rent (
u
A
)
V
CE
=Vcc
Vcc vs. Frequency
100
150
200
250
300
350
400
3 3.5 4 4.5 5 5.5 6
Vcc (V)
Frequency (KHz)
Load = 300mA
Line Regulation
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
3 3.5 4 4.5 5 5.5 6
Vcc (V)
Line
Re
gulation
(
%
)
Load = 50mA
-2
-1.5
-1
-0.5
0
0.5
1
1.5
2
0 200 400 600 800 1000
Load (mA)
Load Regulat
ion (%)
Load Regulation
Vcc = 5V
60
65
70
75
80
85
90
95
100
0 0.2 0.4 0.6 0.8 1 1.2 1.4
Load (A)
Efficie
ncy
Load vs. Efficiency
Vcc = 3.3V,Vout = 5V
60
65
70
75
80
85
90
95
100
0 0.2 0.4 0.6 0.8 1 1.2 1.4
Load (A)
Efficie
ncy
Load vs. Efficiency
Vcc = 5V,Vout = 12V