Hi all,
I am using TPS65250 in one of my application with following output requirements,and the Input is 12V/1.5A:
5V/2A on Buck1,
3.3V/1.5A on Buck2 and
1.8V/1.5A on Buck3.
Sequencing : Vcc first after 10ms 1.8V and 3.3V should come up.
The Gasp time we require is 2.5 S ie. after the power has been shutdown the power should be present for another 2.5s.
Referring to the datasheet "PUMP AND DUMP SECTION" page-29
As per the datasheet it is better to use BUCK-3 in GASP mode as it is closer to Buck-3 Pins and layout will be easy.
My doubt is whether storage capacitors will give the power to buck-3 only( As BSTDG is connected to buck-3) or to two others buck converters that is buck-1 and Buck-2.
Early response will be appriciated
Thank you very much in advance
Thanks and Regards,
Sanjeev Kumar
