Technical Reference Notes
ALD12/18/20/25 Series
(Single Output 16th Brick)
Electrical Specifications (continued)
OUTPUT SPECIFICATIONS
Parameter
Device
Symbol
Min
Typ
Max
Unit
Output Voltage Set point
VIN = VIN, MIN to VIN,MAX;
IO =IO,Max
5V0 (A)
3V3 (F)
2V5 (G)
1V8 (Y)
1V5 (M)
1V2 (K)
VO,SET
4.930
3.260
2.465
1.770
1.470
1.180
5.000
3.300
2.500
1.800
1.500
1.200
5.070
3.340
2.535
1.830
1.530
1.220
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Output Regulation
Line: VIN = VIN, Min to VIN, Max
All
All
All
All
-
-
-
-
-
-
0.1
0.1
0.3
40
0.4
0.4
0.8
100
%Vo
%Vo
%Vo
mVp-p
A
Load: IO = IO, Min to IO, Max
Temperature: TA = -40 ºC to
+85ºC
-
Ripple and Noise3
-
Peak-to-Peak: (5Hz to 20MHz)
Output Current
5V0 (A)
3V3 (F)
2V5 (G)
1V8 (Y)
1V5 (M)
1V2 (K)
All
IO
0
0
0
0
0
0
-
-
-
-
-
-
-
-
-
12
18
20
25
25
25
10,000
-
External Load Capacitance
Capacitor ESR
-
µF
mΩ
A
4
Output Current-limit Inception
VOUT = 90% VO,SET
(Autorecovery)
5V0 (A)
3V3 (F)
2V5 (G)
1V8 (Y)
1V5 (M)
1V2 (K)
5V0 (A)
3V3 (F)
2V5 (G)
1V8 (Y)
1V5 (M)
1V2 (K)
All
IO
13.0
19.5
21.5
26.5
26.5
26.5
5.9
3.9
3.0
2.1
1.8
-
-
-
-
-
19
25
30
34
34
-
34
Over Voltage Range
(Autorecovery)
6.2
4.1
3.2
2.4
2.1
1.6
-
6.9
4.9
3.9
2.9
2.5
2.1
120
V
1.4
110
Over Temperature Range
°C
(AVG. PCB TEMP) - Auto recovery
Efficiency
VIN = VIN-NOM
IO = IO,MAX
TA=25°C
5V0 (A)
3V3 (F)
2V5 (G)
1V8 (Y)
1V5 (M)
1V2 (K)
η
η
η
η
η
η
90.0
89.0
88.5
87.0
83.5
82.0
91.0
90.0
89.5
88.0
84.5
83.0
94.0
93.0
92.0
90.0
88.0
86.0
%
%
%
%
%
%
MODEL: ALD12/18/20/25 SERIES
AUGUST 17, 2005 – REVISION C
SHEET 3 OF 20
ASTEC [ Astec America, Inc ]
