Owner's manual

AP3591
Document number: DS36906 Rev. 1 - 2
8 of 18
www.diodes.com
March 2014
© Diodes Incorporated
AP3591
NEW PROD UC T
A Product Line of
Diodes Incorporated
Performance Characteristics
Efficiency vs. Load Current @V
OUT
= 1.05V Efficiency vs. Load Current @V
OUT
= 2.5V
Efficiency vs. Load Current (CCM vs. DEM) Frequency vs. R
T
Frequency vs. Load Current Frequency vs. V
IN
0 2000 4000 6000 8000 10000 12000
0
20
40
60
80
100
Efficiency (%)
Load Current (mA)
V
IN
= 8V
V
IN
= 12V
V
IN
= 20V
0 2000 4000 6000 8000 10000 12000
0
20
40
60
80
100
Efficiency (%)
Load Current (mA)
V
IN
= 8V
V
IN
= 12V
V
IN
= 20V
0 2000 4000 6000 8000 10000 12000
0
20
40
60
80
100
Efficiency (%)
Load Current (mA)
DEM
CCM
0 100 200 300 400 500 600 700 800 900
0
100
200
300
400
500
600
700
800
900
1000
1100
Frequency (KHz)
R
T
()
V
OUT
= 1.05V
V
OUT
= 2.5V
-2 0 2 4 6 8 10 12 14 16
100
150
200
250
300
350
400
Frequency (KHz)
Load Current (A)
V
IN
= 8V
V
IN
= 12V
V
IN
= 20V
5 10 15 20 25 30
100
150
200
250
300
350
400
Frequency (KHz)
V
IN
(V)
V
OUT
= 1.05V@0A
V
OUT
= 1.05V@10A
V
OUT
= 2.5V@0A
V
OUT
= 2.5V@10A