Diodes AP3417A - Manual (Page 7)

Data Sheet
1A, 1.4MHz High Efficiency Synchronous DC-DC Buck Converter AP3417A
Aug. 2012 Rev. 1. 2 BCD Semiconductor Manufacturing Limited
7
Typical Performance Characteristics (Continued)
V
IN
=5V, T
A
=25 ºC , unless otherwise specified.
Figure 8. Frequency vs. Input Voltage Figure 9. Frequency vs. Temperature
Figure 10. R
DS (ON)_UP
vs. Temperature Figure 11. R
DS (ON)_DOWN
vs. Temperature
2.5 3.0 3.5 4.0 4.5 5.0 5.5
1.20
1.25
1.30
1.35
1.40
1.45
1.50
1.55
1.60
1.65
1.70
Input Voltage (V)
F
req
uency (MHz)
V
IN
= 5.0V
-40 -20 0 20 40 60 80 100 120 140
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
Temperature ( o C)
Freque
ncy (MHz)
V
IN
= V
EN
= 5.0V
-40 -20 0 20 40 60 80 100 120 140
0.18
0.20
0.22
0.24
0.26
0.28
0.30
0.32
0.34
0.36
0.38
0.40
Temperature ( o C)
PMO
S
R
DS
(O
N)
_
U
P
(
Ω
)
V
IN
= 5.0V
I
SW
= 200mA
-40 -20 0 20 40 60 80 100 120 140
0.04
0.08
0.12
0.16
0.20
0.24
0.28
0.32
Temperature ( o C)
NMO
S
R
DS
(O
N)
_
D
O
W
N
(
Ω)
V
IN
= 5.0V
I
SW
= 200mA