About TPS54335 and TPS56528 control method

Kuo Nowal

Other Parts Discussed in Thread: TPS56528

Hi Sir,

We know TPS54335 is Current mode and TPS56528 is D-CAP(ripple) mode,
same control method with competitor, where is benefit for us ?

over 9 years ago

0 JohnTucker over 9 years ago

TI__Guru**** 191445 points

Can you be a little more specific about your question?

0 Kuo Nowal over 9 years ago in reply to JohnTucker

Expert 2315 points

Hi Sir,

Why current mode Vin rang better than D-CAP mode????

0 JohnTucker over 9 years ago in reply to Kuo Nowal

TI__Guru**** 191445 points

It does not necessarily have to do with the control mode (current mode vs. DCAP2). Rather it is due to the voltage rating of the internal components, mostly the internal switching FETs. Higher voltage FETs are larger and increases the cost of the IC. So the voltage rating for various families of ICs are selected for the intended market and cost targets.

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About TPS54335 and TPS56528 control method