Preliminary datasheet, Typical performance characteristics, I- i v - v – Diodes AP3201A User Manual
Page 6: 25ºc, v, 12v, v
Preliminary Datasheet
380kHz, 2A Asynchronous DC-DC Buck Converter AP3201A
Mar. 2011 Rev. 1. 0 BCD Semiconductor Manufacturing Limited
6
-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
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
Q
u
ie
s
c
ent Cu
rr
en
t
(m
A)
Case Temperature (
o
C)
-60
-40
-20
0
20
40
60
80
100
120
140
0.75
0.80
0.85
0.90
0.95
1.00
1.05
1.10
F
e
edback Vola
ge (V)
Case Temperature (
O
C)
0.0
0.5
1.0
1.5
2.0
3.00
3.05
3.10
3.15
3.20
3.25
3.30
3.35
3.40
3.45
3.50
Out
put Voltage
(V
)
Output Current (A)
Note 2: R
DSON
=
SW2
SW1
SW2
1
SW
I
-
I
V
-
V
Note 3: Not tested, guaranteed by design.
Typical Performance Characteristics
T
A
=25ºC, V
IN
=12V, V
OUT
=3.3V, unless otherwise noted.
Figure 4. High-side Switch On-resistance vs. Figure 5. Output Voltage vs. Output Current
Case Temperature
Figure 6. Feedback Voltage vs. Case Temperature
Figure 7. Quiescent Current vs. Case Temperature