PSU "China2"

HDD Emulation 2A

CPU

VGA:GPU

VGA:RAM

+5V

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

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

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

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


ATX2_13.vi

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

12,6A

-

0,083V

0,074V

0,128V

0,029V

HDD emulation (2A)

5,2A

-

0,150V

0,146V

0,146V

0,037V
The maximum time of absence of 220Vac = 0,025s


Measurement of currents of consumption and efficiency of channels.

Mode

220Vac

Efficiency

OFF

1,5W

-

ON

17,5W

-

70W

101W

69,3%

5Vsb=6W

-

76,4%

5Vsb=10W

-

75,9%

3.3V=20W

-

55,5%

5V=+30W

-

77,2%

12V=+40W

-

84,3%