constant current controiller with pulsed output

We needa constant current controller designed that will need to provide a constant current to a pulsed load which will consist of 0.1mS ON and 0.9mS OFF or longer. The regulator must control the output voltage to control the current to 0.01A with a maximum output voltage of 12V and output current of 2A. The actual current during the ON time must be displayed on a digital amp meter. There must also be a method for the user to set the current. If not possible to read amperage while pulsing then we can just read what we "set" the amperage to.

I would like to be around $100usd .

Is it possible to use this buck controller in the system ? [login to view URL]

C プログラミング 電気工学 エレクトロニクス マイクロコントローラ ソフトウェアアーキテクチャ

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