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Rad-hard low voltage output DC-DC converter series released by International Rectifier

Posted by John McHale

EL SEGUNDO, Calif., 2 July 2011. Officials at International Rectifier, (NYSE: IRF), announced the GH Series of radiation hardened (rad-hard) DC-DC converters. The 50-watt devices are designed for onboard spacecraft applications with mission life requirements as long as 15 years.

The GH Series works with designs that use new digital signal processors and field programmable gate array (FPGA) technologies that require a supply voltage as low as 1.0 volts.

Features of the GH series include an 18 to 40 volt input range, total ionization dose (TID) of more than 100 kilorad (Si), single event effect (SEE) (heavy ions) with rated LET greater than 82 MeV.cm2/mg, internal electro-magnetic interference (EMI) filter complying with most major satellite power buses, and a weight of less than 110 grams.

The GH Series devices feature magnetically coupled feedback to ensure operation under the intended radiation environments.

The output models range from 1.0 to 5.0 volts with current rating of up to 20 a and high efficiency as high as 87 percent. Output is adjustable with an external resistor for a precise output voltage setting with the adjustment range of plus or minus 10 percent of the rated output voltage. other key features include remote output on/off control via Inhibit pin, remote sense compensation, synchronization for applications with multiple converters, and input under-voltage protection with under-voltage lockout (UVLO).

For more information on the GH Series, visit irf.com.

Prices for the GH2803R3S starts at $17,500 each, for five to 10 unit quantities. This product line is subject to U.S. export control laws and regulations.

International Power Converters?

I live in the US, and will spend some time in Bolivia. I have a few thinks like iPod Touch and electric razor that'll need to be charged abroad. I know there are plugs that just adapt what you have to different physical recepticles, and there are also inverters that change the voltage. What will I really need to make the transition? Thanks!

What type of power converter should I get for China for a US-made device?

I need to charge my computer while I'm in China. what sort of converter should I get to make sure that the prongs fit and the voltage and cycles are right? are there any multi-port converters so I can charge my computer and another device at the same time?

the voltage in china is 220V.
you can buy this converter in china, you can find it in most of the markets( only costs you no more than 50 RMB, very cheap)

Get it in China. Go to Xhijiahui (assuming you are intrested in being in Shanghai) at the metro city shopping center. voltage should be in your computers power cord already (should have voltage adaptor) and can get either new power cord in China or plug adaptor. I suggest new power cord because I always lost the adaptor. Cost is 100 RMB,

all electricity in china is between 220v and 240v…….50 hz…….as compared to 120-240v……60 hz in the u.s. you can buy power adapters at all airports…….best buy, circuit city, etc. outlets in china have multiple configurations at each receptacle so your power converter can use more than one plug. it's simple, easy and cheap to have a power converter, good luck…….

Check your power supply to see if it says 110v–220v. 50-60 cycles. many of the newer ones are, then you will only need a plug adapter. if not then you need to get a voltage converter with about a 50% higher output than your power supply requires.

Can I use an UK to Canadian Plug adapter to charge my Acer Aspire 3680 laptop without a Voltage Converter?

I went through the user guide and it didn't tell me whether it was dual voltage or not, I can't find it anywhere and calling customer support is very long and tedious to even get through the automated answers.

Does somebody know if my laptop is dual voltage compatible (So it can work from 110V and 220V or will I need to buy a Voltage converter?)

If your charger is for use in the UK ie 220v then you must run it off a supply that's within 10% of that otherwise damage will occur.