Preliminary datasheet, Typical performance characteristics, 12v, v – Diodes AP3202 User Manual
Page 6: Figure 4. efficiency vs. output current, Figure 5. r, Vs. case temperature, Figure 6. r, Figure 7. feedback voltage vs. case temperature
Preliminary Datasheet
380kHz, 2A Asynchronous DC-DC Buck Converter AP3202
Mar. 2011 Rev. 1. 2 BCD Semiconductor Manufacturing Limited
6
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
0
10
20
30
40
50
60
70
80
90
100
E
ff
iciency (%)
Output Current (A)
V
IN
=5V
V
IN
=12V
-40
-20
0
20
40
60
80
100
120
140
125
150
175
200
225
250
275
300
325
350
375
High-sid
e
Switc
h
O
n
-resist
an
c
e
(m
Ω
)
Case Temperature (
o
C)
-60
-40
-20
0
20
40
60
80
100
120
140
1.00
1.05
1.10
1.15
1.20
1.25
1.30
Feedba
c
k
V
o
lt
a
ge (
V
)
Case Temperature (
o
C)
Typical Performance Characteristics
T
A
=25
o
C
, V
IN
=12V, V
OUT
=3.3V, unless otherwise noted.
Figure 4. Efficiency vs. Output Current
Figure 5. R
DSONH
vs. Case Temperature
Figure 6. R
DSONL
vs. Case Temperature
Figure 7. Feedback Voltage vs. Case Temperature
-40
-20
0
20
40
60
80
100
120
140
4
6
8
10
12
14
16
18
20
Lo
w-s
ide Switc
h
O
n
-resist
a
n
c
e
(
Ω
)
Case Temperature (
o
C)