STDA20A SERIES
20W Desktop Power Supply for I.T. Equipment
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Wide Input Voltage 90 to 264 VAC, 47 to 63Hz
IEC-320-C6 input inlet
Output Voltage Available From 5VDC Thru 48VDC
Approved as Limited Power Source (LPS), Splash Proof
Class I Insulation
Input Surge Current, Over Voltage, and Over Current Protection.
Energy Star 2.0, CEC V,and RoHS compliance
3 Year Warranty
Approvals:
Single Output
Model Number
STDA20A-S02
STDA20A-S05
STDA20A-S06
STDA20A-S08
STDA20A-S09
STDA20A-S11
Output Voltage
Max. Output Current
3.00 ~ 2.50 A
1.81 ~ 1.53 A
1.53 ~ 1.25 A
0.95 ~ 0.74 A
0.74 ~ 0.60 A
0.50 ~ 0.41 A
Total Regulation
Maximum Output Power
5 ~ 6 VDC
11 ~ 13 VDC
13 ~ 16 VDC
21 ~ 27 VDC
27 ~ 33 VDC
40 ~ 48 VDC
5%
4%
4%
3%
3%
3%
15W
20W
20W
20W
20W
20W
To achieve the total regulation at per model the output cable AWG#18/4FT is adopt.
The regulation will be changed by modified output cable.
Electrical Characteristics
Parameter
Test Conditions
Operating Voltage
Min.
90
47
Typ.
Max.
264
63
Unit
VAC
Hz
W
A
A
A
A
%
Input Voltage
Input Frequency
Output Power Range
Input Current (Low Line)
Input Current (High Line)
Low Line Inrush Current
High Line Inrush Current
Efficiency
Vin=90 to 264VAC
0
20
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
0.3
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
Conditions
Parameter
Operating Temperature
Storage Temperature
Relative Humidity
Test Conditions
Min.
0
-40
5
Typ.
40
Max.
70
85
Unit
°C
°C
95
%
Operation temperature at 25℃, calculated per MIL-HDBK-217F
300
KHrs
Derate linearly from 100% load at 40°C to 50% load at 70°C