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  • Overall Rating: 4
  • Price: 4
  • Quality: 4
  • Ease Of Use: 4
  • Usefulness: 5
Great for anything USB powered – VMP3203-5V High Efficiency DC-DC Module Reviews

posted by VladanM on 01/17/2011 Certified Owner

Involvement:Expert (understands the inner workings) - Ownership:1 day to 1 week

Pros:
Compact and simple. Draws practically no current by itself (when not under load). 3A output?! Pretty good price. Virtually no heat dissipation, so no heat sink needed.
Cons:
This module was obviously designed as an SMD (Surface Mounted Device) to be soldered directly to a PCB (Printed Circuit Board), so it does not have any pins or connectors. Soldering wires directly to it is somewhat tricky, but not impossible. I stuck the whole thing with the wires soldered to it into a heat shrink tube to protect it.
Other:
It should be internally overload, short circuit and overheat protected, but I can't confirm that. I got one to rig up a 4 port USB power supply for my car in place of a bulky POS that I currently have. Another one will be used for a powered USB hub, yet another for my motorcycle GPS/cell phone power supply.
Bottomline:
With so many devices that use 5V DC (practically anything that powers through USB ports, plus a lot more) this thing has many uses!

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