I am using the regulator TL497 in the case of I(pk)>500mA so I need an external transistor for that but in the datasheet they don't mention how to choose the transistor and its resistors does anyone has an idea about that ? Datasheet:http://www.mouser.com/ds/2/405/tl497a-405896.pdf 
Thursday 13 December 2018
voltage regulator - How to choose the transistor and the resistors connected to it
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