Diodes AUR9703 - Manual (Page 10)

Data Sheet
1.5MHz, 800mA, STEP DOWN DC-DC CONVERTER AUR9703
Nov. 2011 Rev. 1 .0 BCD Semiconductor Manufacturing Limited
10
Typical Performance Characteristics (Continued)
Figure 20.Frequency vs. Input Voltage Figure 21.Temperature vs. Output Current
Figure 22. Current Limit vs. Input Voltage Figure 23. Start Up through EN
(V
IN
=5V, V
EN
= 0 to 5V, V
OUT
=3.3V, I
OUT
=800mA)
2.5 3.0 3.5 4.0 4.5 5.0 5.5
1.2
1.3
1.4
1.5
1.6
1.7
1.8
V
OUT
=1.2V
I
OUT
=400mA
Frequen
c
y
(
M
Hz)
Input Voltage (V)
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
25
30
35
40
45
50
V
IN
=5.0V
V
OUT
=1.0V
V
OUT
=3.3V
Temper
ature
( o
C
)
Output Current (A)
3.0 3.5 4.0 4.5 5.0 5.5
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.6
2.8
3.0
Curre
nt Limi
t (A)
Input Voltage (V)
V
OUT
=1.2V