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Recommended Book
Power Supply Cookbook (EDN Series for Design Engineers) (EDN Series for Design Engineers)
By Marty Brown
Newnes
Price: $39.99

Home » Power
Cooler Master iGreen Power 430 W (RS-430-ASAA) Power Supply
Author: Gabriel Torres
Type: First Look Last Updated: August 2, 2006
Page: 5 of 7
$ Check REAL-TIME pricing for OCZ600SXS 600-Watt Power Supply $
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Power Analysis

On Figure 17 you can see iGreen Power 430 W label stating all its power specs.

Cooler Master iGreen Power 430 W
click to enlarge
Figure 17: Power supply label.

What immediately caught our eye were the two separated +12 V lines listed on the label (see Figure 17). As we showed on the previous page, only one +12 V circuit is used inside this power supply, so it has only a single +12 V rail. Cooler Master separated the +12 V wires into two groups, called +12V1 and +12V2, but they are connected together on the power supply printed circuit board.

You can see that on Figures 18 and 19. On Figure 18 you can see the two separated wire groups, but they are connected together by the two jumpers (wires) located on the left side. On Figure 19 you can see how these two groups are simply connected together to the same single +12 V rail.

Cooler Master iGreen Power 430 W
click to enlarge
Figure 18: +12 V wires are separated into two groups.

Cooler Master iGreen Power 430 W
click to enlarge
Figure 19: However they are connected together on the PCB.

As we discussed on the previous page, the rectifiers used on this power supply have current specs far higher than this power supply can actually deliver. So other components are limiting the amount of current (and thus power) this power supply can deliver, like the capacitors and the coils used on the secondary, the transformer, etc.

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