Diodes AP3039 - Manual (Page 9)

BOOST CONTROLLER AP3039
Data Sheet
9
BCD Semiconductor Manufacturing Limited Jun. 2010 Rev. 1. 6
Figure 6. Efficiency vs. Output Current Figure 7. Efficiency vs. Output Voltage
Typical Performance Characteristics
Figure 4. Efficiency vs. Case Temperature Figure 5. Efficiency vs. Input Voltage
6 9 12 15 18 21 24 27
85
86
87
88
89
90
91
92
93
94
95
I
OUT
=160mA, V
OUT
=33V, T
A
=25 O C
L=22 µ H, C
IN
=10 µ F; C
OUT
=10 µ F
f
OSC
=400kHz
f
OSC
= 1MHz
Input Voltage (V)
Ef
fici
en
cy (
%
)
-50 -25 0 25 50 75 100 125
85
86
87
88
89
90
91
92
93
94
95
V
IN
=12V, V
OUT
=33V, f
OSC
=1MHz
L=22 µ H, C
IN
=10 µ F, C
OUT
=10 µ F
Ef
ficiency (%)
Temperature ( o C)
I
OUT
=160mA
I
OUT
= 200mA
20 40 60 80 100 120 140 160 180 200
60
65
70
75
80
85
90
95
V
IN
=12V, V
OUT
=33V, f
OSC
=1MHz, T
A
=25 O C
L=22 µ H, C
IN
=10 µ F, C
OUT
=10 µ F
Output Current (mA)
Ef
ficiency (%)
16 18 20 22 24 26 28 30 32 34
89.0
89.5
90.0
90.5
91.0
91.5
92.0
V
IN
=12V, V
OUT
=33V, f
OSC
=1MHz, T
A
=25 O C
L=22 µ H, C
IN
=10 µ F, C
OUT
=10 µ F
Output Voltage (V)
Ef
fic
ie
ncy
(%
)