Diodes AP3409/A - Manual (Page 7)

AP3409/A
Document number: DS36789 Rev. 2 - 2
7 of 11
www.diodes.com
January 2014
© Diodes Incorporated
AP3409/A
A Product Line of
Diodes Incorporated
-60 -30 0 30 60 90 120 150
2
3
4
5
C
u
rre
n
t
L
imi
t
(A)
Ambient Temperature ( O C)
V
IN
=3.3V
V
FB
=0.75V
Performance Characteristics
(Cont. V
IN
=V
DD
=V
PVDD
=3.3V, T
A
=+25 o C, unless otherwise specified.)
V
FB
vs. Ambient Temperature Current Limit vs. Ambient Temperature
Start-up from VIN (V
IN
=3.3V, V
OUT
=2.5V, I
OUT
=3A) Load Transient Response
(V
IN
=3.3V, V
OUT
=2.5V, I
OUT
=0.5A to 3A)
Short Circuit Protection (V
IN
=3.3V, V
OUT
=2.5V) Short Circuit Recovery (V
IN
=3.3V, V
OUT
=2.5V)
-60 -30 0 30 60 90 120 150
0.5
0.6
0.7
0.8
0.9
V
FB
(V)
Ambient Temperature ( O C )
V
IN
=3.3V
V
OUT
=2.5V
V
OUT
(AC)
50mV/div
I
OUT
1A/div
Time 200 m s/div
V
SW
2V/div
V
OUT
2V/div
I
L
2A/div
Time 1ms/div
V
OUT
1V/div
I
OUT
1A/div
Time 4ms/div
V
OUT
1V/div
I
OUT
1A/div
Time 4ms/div