How to make a constant current led driver 1400ma/2800ma| 4*AMC 7135 led driver for Xml2 cree led 

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Open ckt v is equal to in volt... When you connected the load then its give the volt accress the curent.... 3.5

@@easyelectronicslab2762Can i give 12v or 5v?

This is constant current led driver..... Let, it is a 1400 mah driver... Then its drive max 1400 mah constantly..... If you want 12v or 5v constantly then used boost converter or buck converter at low coast or volt regulated ic

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2.5$