Diodes AP1538 - Manual (Page 7)

AP1538
18V 3A 300KHz BUCK CONVERTER
AP1538 Rev. 5 7 of 13 OCTOBER 2009
DS31451 www.diodes.com © Diodes Incorporated
Typical Performance Characteristics
(Continued)
Current Limit vs. Temperature
(V
IN
=12V, R
OCSET
=6.8k)
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
-25 0 25 50 75 100
Ambient Temperature (C)
C
u
rre
n
t L
im
it (A
)
V
OUT
Ripple
(V
IN
= 12V, V
OUT
= 3.3V, I
OUT
= 0.1A)
V
OUT
Ripple
(V
IN
= 12V, V
OUT
= 3.3V, I
OUT
= 3.0A)
Load Transient Response
(V
IN
= 12V, V
OUT
= 3.3V, I
OUT
= 0.1~3A)