F:\\\271\346\270\361\312\351\\00 AC-DC Converter\\AC-DC

Single Output
Switching Power Supply
NS-50 Series, 50Watt
FEATURES:
Input voltage range 100-240VAC
High reliability
Built-in EMI filter
Short circuit, over current, over voltage protections
Cooling by free air convection
100% burn-in test
With LED power indicator
4 year warranty
Output voltage
(Vdc)
Output current
(A)
Efficiency
Typ.
NS50-3
3.3
10
70%
NS50-5
NS50-9
5
10
70%
9
5.6
75%
12
4.3
75%
NS50-15
15
3.5
75%
NS50-24
24
2.2
75%
NS50-48
48
1.1
75%
Model
NS50-12
Input voltage
(Vac)
100-240
ELECTRICAL
Input
Parameters
Symbols
Test Conditions / Comment
Input voltage
Vin
--
Input frequency
Fline
Inrush current
Input current
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Min.
Typ.
Max.
Units
88
--
264
Vac
125
--
370
Vdc
--
47
--
63
Hz
Cold start, Vin =115Vac, full load
--
20
--
A
Cold start, Vin =230Vac, full load
--
40
--
A
Full load, Vin =115Vac
--
0.9
--
A
Full load, Vin =230Vac
--
0.6
--
A
Iinrush
Iin
Page: 1 / 3
Date: 03/12/2014
Single Output
Switching Power Supply
NS-50 Series, 50Watt
ELECTRICAL
Output
Parameters
Symbols
Test Conditions / Comment
Min.
Typ.
Max.
Units
Line regulation
Iout-line
--
--
1
--
%
Load regulation
Iout-load
Vout from min. to max.
--
1
--
%
--
Full load, Vin =115Vac
--
17
--
ms
Ton_delay
Full load, Vin =115Vac
--
--
0.5
S
--
--
--
120
480
mV
Hold-on time
Turn-on delay time
Ripple
Protection
Over current
Type:110-150%; Hiccup mode, it will recover automatically after fault condition is removed
Short circuit
Hiccup mode, it will recover automatically after fault condition is removed
Over voltage
Type:110-150%; Hiccup mode, it will recover automatically after fault condition is removed
Environment
Storage
Ambient operating
temperature
Operating relative
humidity
MTBF
Tstorage
Ta
Humidity: 5% RH to 95% RH
Startup at rated voltage
(Required Derating)
Ha
TMTBF
Non condensing
Full load, 230Vac input,
℃
25
ambient temperature
Dimension(LxWxH)
-20
--
+75
℃
-10
--
+70
℃
10
--
95
%
--
--
200
kHrs
120 x 81.2 x 31.5mm
Safety / EMC
Withstand voltage
I/P-O/P: 3KVac
Safety standards
UL, C-UL, CE, CB
EMC
EN55022 Class A
I/P-FG: 2KVac
O/P-FG: 0.5KVac
Notes: 1. Rated Load and Rated Input Voltage,Ta=25℃;
2. Ripple &Noise are measured at 20MHZ of bandwidth by using a 12” twisted pair-wire terminated with a
0.1uf & 47uF parallel capacitor.
www.pairuigroup.com
Page: 2 / 3
Date: 03/12/2014
Single Output
Switching Power Supply
NS-50 Series, 50Watt
MECHANICAL
www.pairuigroup.com
Page: 3 / 3
Date: 03/12/2014