User guide

AP3513E
Document number: DS36692 Rev. 2 - 2
6 of 11
www.diodes.com
January 2014
© Diodes Incorporated
AP3513E
A Product Line of
Diodes Incorporated
NEW PROD UCT
Performance Characteristics (V
IN
= 12V, V
OUT
= 3.3V, L = 4.7µH, T
A
= +25°C, unless otherwise noted.)
Efficiency vs. Output Current Quiescent Current vs. Temperature
Feedback Voltage vs. Temperature Output Ripple (I
OUT
= 2.5A)
Load Transient Response (I
OUT
= 0.2A to 2.5A) Load Transient Response (I
OUT
= 1A to 2.5A)
0.01 0.1 1
10
20
30
40
50
60
70
80
90
100
Efficiency (%)
Output Current (A)
V
IN
=12V
V
OUT
=3.3V, L=4.7H
V
OUT
=5.0V, L=6.8H
-50 -25 0 25 50 75 100 125 150
0.80
0.85
0.90
0.95
1.00
1.05
1.10
1.15
1.20
1.25
1.30
Quiescent Current (mA)
Temperature (
o
C)
-50 -25 0 25 50 75 100 125 150
0.6
0.7
0.8
0.9
1.0
1.1
1.2
Feedback Voltage (V)
Temperature (
o
C)
V
SW
(10V/div)
V
OUT-AC
(20mV/div)
I
L
(1A/div)
V
OUT-AC
(200mV/div)
I
OUT
(1A/div)
V
OUT-AC
(100mV/div)
I
OUT
(1A/div)
Time(1µs/div)
Time(100µs/div)
Time(100µs/div)