TPS53355 - IOCP delay

Ryuji

Guru 20090 points

Other Parts Discussed in Thread: TPS53355

Hello,

Could you please let me know the time of IOCP delay of TPS53355?
I would like to know the time between Iout is reached IOCP value and Iout is limited.

Best Regards,
Ryuji Asaka

over 9 years ago

0 JohnTucker over 9 years ago

TI__Guru**** 191445 points

Current limit is valley detect. There is no internal delay. If the current is above the limit at the end of the OFF time, the low side is held on until the current is below the limit.

0 Ryuji over 9 years ago in reply to JohnTucker

Guru 20090 points

Hello John,

In the block diagram, there is the comparator and control logic circuit.
I think that these circuit generate the delay. Please let me know this delay time.

Best Regards,
Ryuji Asaka

0 JohnTucker over 9 years ago in reply to Ryuji

TI__Guru**** 191445 points

it will just be a couple gate delays (a few tens of nsec at most). There is no intentional delay time.

Power management

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TPS53355 - IOCP delay