sumitj
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do we need to have separate pin for power supply (VDD) and the input voltage (which is to be converter to some lower o/p voltage).
I have seen in most dc-dc converter ic's that they have only one i/p voltage pin. If we have only one input voltage pin, than for this we need to make sure that all other circuitry (i.e. control loop, comparators, opamps etc) work for the entire range of input voltage. if lets say the i/p voltage range of dc-dc converter is 3 to 7v and o/p range is from 1 to 4V. do we have to design our other blocks such that they work for entire range of 3 to 7v.
I have seen in most dc-dc converter ic's that they have only one i/p voltage pin. If we have only one input voltage pin, than for this we need to make sure that all other circuitry (i.e. control loop, comparators, opamps etc) work for the entire range of input voltage. if lets say the i/p voltage range of dc-dc converter is 3 to 7v and o/p range is from 1 to 4V. do we have to design our other blocks such that they work for entire range of 3 to 7v.