Diodes AP3003 - Manual (Page 8)

150kHz 3A BUCK DC-DC CONVERTER AP3003
Data Sheet
8
Aug. 2008 Rev. 1. 2 BCD Semiconductor Manufacturing Limited
Figure 6. Efficiency vs. Output Current Figure 7. Efficiency vs. Output Current
Typical Performance Characteristics
Figure 4. Efficiency vs. Output Current Figure 5. Efficiency vs. Output Current
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
60.0
62.5
65.0
67.5
70.0
72.5
75.0
77.5
80.0
82.5
85.0
87.5
90.0
ef
fi
ciency
(%)
Output Current (A)
ADJ Version (V
OUT
Regulated to 2.5V)
V
IN
=10V, T
J
=25 O C
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
60.0
62.5
65.0
67.5
70.0
72.5
75.0
77.5
80.0
82.5
85.0
87.5
90.0
E
ff
ic
ie
n
cy (
%
)
Output Current (A)
5.0V Version
V
IN
=12V, T
J
=25 O C
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
60.0
62.5
65.0
67.5
70.0
72.5
75.0
77.5
80.0
82.5
85.0
87.5
90.0
Ef
fi
ciency
(%)
Output Current (A)
3.3V Version
V
IN
=12V, T
J
=25 O C
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
60.0
62.5
65.0
67.5
70.0
72.5
75.0
77.5
80.0
82.5
85.0
87.5
90.0
E
ffic
ien
cy
(
%
)
Output Current (A)
12V Version
V
IN
=24V,T
J
=25 o C