TPS63030: HELP on TPS63030DSKR

jeanmarc ingargiola

Part Number: TPS63030

Hi guy i have some question on this device TPS63030DSKR i do the 2 typical designgive in the datasheet but i dont have the 3.3V in aouting
i use for R1 R2 this 2 value 840K and 150K i can have some help please ?

over 2 years ago

0 Tao Zhang over 2 years ago

TI__Mastermind 32350 points

Hi Jeanmarc,

could you share more info about the output you got? absolutly 0 or just a little out of range as your expected.

Regards

Tao

0 jeanmarc ingargiola over 2 years ago in reply to Tao Zhang

Prodigy 10 points

i have 0 first schematic and i have 2.7V second schematic....i made my own pcb.

0 Tao Zhang over 2 years ago in reply to jeanmarc ingargiola

TI__Mastermind 32350 points

OK, do you have an oscilloscope on hand?

0 jeanmarc ingargiola over 2 years ago in reply to jeanmarc ingargiola

Prodigy 10 points

yes i have one question dissipation pad is connect at gnd ? and the pin 9 and 3 is aslo connect at gnd and dissipation pad ?

i change the value of r2 r1 for 200k and 1120k and vout = vin on oscilloscope

0 Tao Zhang over 2 years ago in reply to jeanmarc ingargiola

TI__Mastermind 32350 points

Hi Jeanmarc,

yes, that is correct, you can connect the EHP and PIN 3,9 together to GND.

Regards

Tao

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TPS63030: HELP on TPS63030DSKR