Technical Reference Notes
AEO_ALO04/12/20/25x48 Series
(Single Output 8
th
Brick)
Electrical Specifications (continued)
OUTPUT SPECIFICATIONS
Parameter
Output Current-limit Inception
V
O
= 90% V
O, NOM
; T
A
= 25ºC
V
IN
= V
IN, NOM
Non-latching / auto-recovery
Device
B (12V0)
A (5V0)
F (3V3)
G (2V5)
Y (1V8)
M (1V5)
K (1V2)
All
B (12V0)
Symbol
I
O, OCP
Min
5.0
16.0
23.5
23.5
27.0
27.0
27.0
-
-
4
92.0
92.0
90.0
89.0
88.5
87.0
85.0
13.8
5.80
3.80
2.90
2.10
1.75
1.38
110
110
-
-
-
-
-
-
-
380
-
90
-
Typical
-
-
-
-
-
-
-
-
-
Max
7.8
23.9
30.0
30.0
48.0
48.0
48.0
10,000
1,500
-
94.0
94.0
93.0
92.0
91.0
90.5
88.0
15.0
6.20
4.30
3.20
2.50
2.38
1.80
120
120
17
20
17
20
9
11
16
520
10
110
3
Unit
A
External Load Capacitance
I
O
= I
O, MAX
, resistive load
Capacitor ESR
Efficiency
V
IN
= V
IN, NOM
; I
O
= I
O, MAX
T
A
= 25ºC
C
EXT
µF
mΩ
%
B (12V)
A (5.0V)
F (3.3V)
G (2.5V)
Y (1.8V)
M (1.5V)
K (1.2V)
B (12V)
A (5.0V)
F (3.3V)
G (2.5V)
Y (1.8V)
M (1.5V)
K (1.2V)
AEO
ALO
All
5V, 12V
All
η
η
η
η
η
η
η
V
O, OVP
93.0
93.0
91.0
90.0
90.0
88.5
87.0
14.4
6.00
4.00
3.00
2.30
1.85
1.50
-
-
-
-
-
-
3
4
9
450
-
0
Output Over Voltage Protection
Non-latching / autorecovery
V
Over Temperature Protection
Input to Output Turn-On Delay
V
IN
= V
IN, NOM
I
O
= I
O, MAX
Enable to Output Turn-On Delay
V
IN
= V
IN, NOM
I
O
= I
O, MAX
Output Voltage Rise Time
10% to 90% of V
O
V
IN
= V
IN, NOM
I
O
= I
O, MAX
Switching Frequency
Output Voltage Remote Sensing
Output Voltage Trim Range
6
Output Voltage Overshoot
°C
ms
ms
-
-
-
-
-
-
-
F
SW
-
-
All
5V
12V
All
All
All
All
ms
kHz
%V
O
%V
O
%Vo
MODEL: AEO_ALO04/12/20/25x48 SERIES
AUGUST 25, 2005 - REVISION G
SHEET 4 OF 26
ASTEC [ Astec America, Inc ]
