STDA25B SERIES
25W Desktop Power Supply for I.T. Equipment
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Wide Input Voltage 90 to 264 VAC, 47 to 63Hz
IEC-320-C8 input inlet
Output Voltage Available From 5VDC Thru 48VDC
Approved as Limited Power Source (LPS), Splash Proof
Class II Insulation
Input Surge Current, Over Voltage, Over Load and Output Voltage protection.
Energy Star 2.0, CEC V/IV,and RoHS compliance
2 Year Warranty
Approvals:
Single Output
Model Number
STDA25B-S02
STDA25B-S03
STDA25B-S04
STDA25B-S05
STDA25B-S06
STDA25B-S07
STDA25B-S08
STDA25B-S09
STDA25B-S10
STDA25B-S11
Output Voltage
Max. Output Current
3.00 ~ 2.75 A
3.30 ~ 2.50 A
2.75 ~ 2.00 A
2.27 ~ 1.92 A
1.92 ~ 1.56 A
1.56 ~ 1.19 A
1.19 ~ 0.92 A
0.92 ~ 0.75 A
0.75 ~ 0.62 A
0.62 ~ 0.52 A
Total Regulation
Max Output Power
05 ~ 06 VDC
06 ~ 08 VDC
08 ~ 11 VDC
11 ~ 13 VDC
13 ~ 16 VDC
16 ~ 21 VDC
21 ~ 27 VDC
27 ~ 33 VDC
33 ~ 40 VDC
40 ~ 48 VDC
5%
5%
5%
5%
5%
5%
3%
3%
3%
3%
16.5W
20W
22W
25W
25W
25W
25W
25W
25W
25W
The model number of S02~S04 had been approved by PSE.
The model number of S02~S11 had been approved by CEC Level V.
Electrical Characteristics
Parameter
Input Voltage
Input Frequency
Output Power Range
Input Current (Low Line)
Input Current (High Line)
Low Line Inrush Current
High Line Inrush Current
Efficiency
Test Conditions
Min.
90
47
Typ.
Max.
264
63
Unit
VAC
Hz
W
A
A
A
A
%
Operating Voltage
Vin=90 to 264VAC
0
25
Io=Full load, Vin=115VAC
Io=Full load, Vin=230VAC
Io=Full load, 25°C ,Cool start, Vin=115VAC
Io=Full load, 25°C, Cool start, Vin=230VAC
Io=Full Load, Vin=230VAC
Io=Full Load
0.4
0.25
15
30
95
12
26
85
0.5
3
75
1
Line Regulation
Load Regulation
1
5
%
%
Vin=230VAC
Over Voltage Protection
Over Current Protection
Transient Response
Hold-Up Time
Nil
%
%
mS
mS
S
110
12
150
4
16
0.5
1
0.75
0.04
0.5
Io=Full Load to Half Load, Vin=100VAC
Io=Full Load, Vin=110VAC
Io=Full Load, Vin=100VAC
Full Load, Vin=90VAC
Io=Full Load, Vin=240VAC
All output
14
0.25
0.5
Start Up Time
Ripple & Noise (Peak to Peak)
Safety Ground Leakage Current
Temperature Coefficient
No-Load Power Consumption
%
0.5
mA
%/°C
W
-0.04
0
No Load, Vin=240VAC
0.4