Diodes AP3440 - Manual (Page 7)

AP3440
Document number: DS36691 Rev. 2 - 2
7 of 15
www.diodes.com
March 2014
© Diodes Incorporated
AP3440
A Product Line of
Diodes Incorporated
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Performance Characteristics
(Cont.)
Start Up from V
IN
(V
IN
=5V, V
OUT
=1.8V, I
OUT
=4A) Disable IC (V
IN
=5V, V
OUT
=1.8V, I
OUT
=4A)
Time 4ms/div Time 20
m
s/div
Load Transient Response (V
IN
=5V, V
OUT
=1.8V, I
OUT
=0 to 4A) Synchronizing to External Clock (f
CLOCK
=2MHz)
Time 200
m
s/div Time 400ns/div
Short Circuit Protection (V
IN
=5V, V
OUT
=1.8V, I
OUT
=4A) Short Circuit Recovery (V
IN
=5V, V
OUT
=1.8V, I
OUT
=4A)
Time 4ms/div Time 4ms/div
V
OUT
1V/div
V
IN
2V/div
I
L
2A/div
V
SS
2V/div
V
EN
2V/div
V
OUT
1V/div
V
SS
2V/div
I
L
2A/div
V
OUT(AC)
200mV/div
I
OUT
2A/div
V
CLOCK
2V/div
V
SW
2V/div
V
OUT
1V/div
V
SS
2V/div
V
COMP
0.5V/div
I
L
2A/div
V
OUT
1V/div
V
SS
2V/div
V
COMP
0.5V/div
I
L
2A/div