PSU "China2"


Check on a loading direct current.

DC Load

220Vac (current)

CPU

VGA:GPU

VGA:RAM

+5V

CPU=25W
VGA=25W
+5V=20W

CPU=50W
VGA=25W
+5V=24W

CPU=35W
VGA=40W
+5V=24W

CPU=70W
VGA=40W
+5V=28W

CPU=45W
VGA=50W
+5V=28W

CPU=90W
VGA=50W
+5V=32W

CPU=55W
VGA=75W
+5V=32W

CPU=110W
VGA=50W
+5V=36W

CPU=65W
VGA=95W
+5V=36W



Check on a pulse current of loading.

Impulse Load

220Vac (current)

CPU 50-100%, 100Hz

VGA:GPU 40-100%, 200Hz

VGA:RAM 60-100%, 400Hz

+5V 80-100%, 800Hz

CPU=25W
VGA=25W
+5V=20W

CPU=50W
VGA=25W
+5V=24W

CPU=35W
VGA=40W
+5V=24W

CPU=70W
VGA=40W
+5V=28W

CPU=45W
VGA=50W
+5V=28W

CPU=90W
VGA=50W
+5V=32W

CPU=55W
VGA=75W
+5V=32W

CPU=110W
VGA=50W
+5V=36W

CPU=65W
VGA=95W
+5V=36W


ATX2_13.vi

Load Results

Max

Min

Delta

Peak Max

Peak Min

Peak Delta

Impedance, mOm

CPU

12,09

11,68

0,41

12,19

11,59

0,60

49,7

VGA:GPU

12,09

11,71

0,39

12,19

11,65

0,54

101,4

VGA:MEM

12,07

11,60

0,47

12,18

11,54

0,63

131,6

+5V

5,04

5,00

0,04

5,07

4,97

0,11

-0,5*
* - The number can be inexact.


Influence of interferences in a primary source on power supply unit operation.



220V sinus

220Vac (current)

CPU

VGA:GPU

VGA:RAM

+5V

CPU=33W
VGA=73W
+5V=30W

220V meander

220Vac (current)

CPU

VGA:GPU

VGA:RAM

+5V

CPU=33W
VGA=73W
+5V=30W


ATX2_13.vi

220V failure

220Vac (current)

CPU

VGA:GPU

VGA:RAM

+5V

CPU=33W
VGA=73W
+5V=30W

CPU=33W
VGA=73W
+5V=30W

Mode

Peak Current

Efficiency

CPU noise

VGA:GPU noise

VGA:RAM noise

+5V noise

1: 220Vac sinus

5,1A

75,7%

0,034V

0,031V

0,028V

0,018V

2: 220Vac meander

8,9A

75,8%

0,049V

0,039V

0,038V

0,019V

3: 187-242V (random)

11,0A

-

0,065V

0,053V

0,054V

0,026V

4: 220V failure

13,7A

-

0,127V

0,116V

0,114V

0,054V

HDD emulation (2A)

5,0A

-

0,355V

0,384V

0,229V

0,112V
The maximum time of absence of 220Vac = 0,000s


Measurement of currents of consumption and efficiency of channels.

Mode

220Vac

Efficiency

OFF

3,7W

-

ON

14,4W

-

70W

99W

70,6%

5Vsb=6W

-

38,2%

5Vsb=10W

-

68,3%

3.3V=20W

-

56,7%

5V=+30W

-

81,5%

12V=+40W

-

85,1%