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Models and Ratings - Convection-cooled
Output Power
210 W
Output Voltage V1
12.0 VDC
Max Output Current
17.50 A
Model Number
AHM250PS12T
AHM250PS15T
AHM250PS19T
AHM250PS24T
AHM250PS48T
220 W
240 W
250 W
250 W
15.0 VDC
19.0 VDC
24.0 VDC
48.0 VDC
14.66 A
12.63 A
10.41 A
5.21 A
Notes:
1. For optional input connector retention clip, add suffix ‘-A’ to the model number e.g. AHM250PS24T-A.
2. For 6 pin DIN connector, remove ‘T’ from the end of the model number e.g. AHM250PS24 (DIN connector for medical applications only).
Input Characteristics
Characteristic
Input Voltage - Operating
Input Frequency
Minimum
Typical
115/230
50/60
Maximum
264
Units
VAC
Hz
Notes & Conditions
Derate <100 VAC (see fig. 1)
80
47
63
>
Power Factor
0.9
EN61000-3-2 class A & D compliant & Energy Star Compliant
Input Current - No Load
Input Current - Full Load
Inrush Current
0.09/0.10
2.3/1.2
60-80
0.3/0.35
60/120
0.4/0.8
A
A
A
W
μA
mA
115/230 VAC
115/230 VAC
120
0.5
200
230 VAC cold start, 25 şC
115/230 VAC
115 V 60 Hz/230 V 50 Hz (Typ.), 264 VAC/60 Hz (Max.)
115/230 VAC/400 Hz
No Load Input Power
Earth Leakage Current
Input Protection
T6.3A/250 V internal fuse in both lines
Output Characteristics
Characteristic
Output Voltage - V1
Output Voltage Adjustment
Minimum Load
Start Up Delay
Hold Up Time
Minimum
Typical
Maximum
Units
VDC
%
Notes & Conditions
12
48
See Models and Ratings table
No user adjustment
0
A
300/200
15
ms
ms
%
115/230 VAC full load (see fig.2)
115/230 VAC full load (see fig.3)
After 20 min warm up
Drift
0.2
0.5
4
Line Regulation
Load Regulation
%
90-264 VAC (50% load)
0f50g100% load.
%
Recovery within 1% in less than 500 μs for a 50-75% and 75-
50% load step
Transient Response - V1
5
%
Over/Undershoot - V1
Ripple & Noise
3
%
% pk-pk
%
<1
1.5
20 MHz bandwidth with external circuit (see fig.4-7)
Vnom, Recycle AC to reset
AHM250PS12
125
13.2
16.5
21.0
26.4
52.8
115.0
21.0
17.6
18
22
AHM250PS15
Overvoltage Protection
Overload Protection
28
VDC
%
AHM250PS19
33
AHM250PS24
59
AHM250PS48
175
29.8
26.3
21.5
17.7
8.9
I nom, Auto reset
AHM250PS12
AHM250PS15
15.2
11.5
5.7
A
AHM250PS19
AHM250PS24
AHM250PS48
Short Circuit Protection
Temperature Coefficient
Overtemperature Protection
Continuous, trip & restart (hiccup mode)
0.05
%/˚C
°C
Connected to transformer. Auto reset.
2
XPPOWER [ XP POWER LIMITED ]
