Owner manual

AP3418
Document number: DS37233 Rev. 2 - 2
5 of 11
www.diodes.com
April 2014
© Diodes Incorporated
AP3418
A Product Line of
Diodes Incorporated
Performance Characteristics (V
IN
= 5V, T
A
= +25ºC, unless otherwise specified.)
Efficiency vs. Output Current Efficiency vs. Input Voltage
Reference Voltage vs. Temperature Switch Current Limit vs. Temperature
Frequency vs. Input Voltage Frequency vs. Temperature
-40 -20 0 20 40 60 80 100 120 140
1.8
2.0
2.2
2.4
2.6
2.8
Temperature (
o
C)
Switch Current Limit (A)
V
IN
= 5.0V
-40 -20 0 20 40 60 80 100 120 140
0.56
0.57
0.58
0.59
0.60
0.61
0.62
0.63
0.64
Temperature (
o
C)
Reference Voltage (V)
V
IN
= 5.0V
2.5 3.0 3.5 4.0 4.5 5.0 5.5
1.20
1.25
1.30
1.35
1.40
1.45
1.50
1.55
1.60
1.65
1.70
Input Voltage (V)
Frequency (MHz)
-40 -20 0 20 40 60 80 100 120 140
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
Temperature (
o
C)
Frequency (MHz)
V
IN
= V
EN
= 5.0V
2.5 3.0 3.5 4.0 4.5 5.0 5.5
40
45
50
55
60
65
70
75
80
85
90
95
100
Input Voltage (V)
Efficiency (%)
V
OUT
= 1.8V
I
OUT
= 1.5A
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
60
65
70
75
80
85
90
95
100
Output Current (A)
Efficiency (%)
V
IN
= 5.0V
V
OUT
=1.8V