purpose of adding multiple transistor in Boost converter

Thread Starter

ep.hobbyiest

Joined Aug 26, 2014
151
i am designing boost converter for my project which is battery operated.
i am referring one circuit where they have used 6 transistors in parallel (base, collector and emitter are shorted with others).
And we could have design the same thing with one transistor as well.

So, what is the purpose of using more transistors in parallel?
 
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