WEBENCH® Tools/TPS51220: TPS51220

user5767133

Prodigy 110 points

Part Number: TPS51220

Tool/software: WEBENCH® Design Tools

Hi Sir,

Can TPS51220 output 12V while input voltage is 12V?

And, please provide the WEBENCH^®Tool for me, thanks!

email:lsb@apuqi.com

over 4 years ago

0 Yuchang Zhang over 4 years ago

TI__Mastermind 18510 points

Hi，

It cannot support 100% duty, as shown in datasheet it is ~99%, Vin=12V, Vout can support 11.5V~12V.

Sorry No webench tool available for this part.

Yuchang

0 Gerold Dhanabalan - Online Design Tools over 4 years ago in reply to Yuchang Zhang

TI__Genius 14455 points

Hi,

You can try downloading the Pspice model and doing a quick check to get a the approximate Vout that can be supported with Vin=12V.

Regards,

Gerold

0 user5767133 over 4 years ago in reply to Yuchang Zhang

Prodigy 110 points

Hi Yuchang,

When Vin=12V and duty cycle is 99%, Vout can support 11.5V~12V. How about the load operation? Can the load be up to 10A?

Thanks!

0 Yuchang Zhang over 4 years ago in reply to user5767133

TI__Mastermind 18510 points

Hi, For 10A loading that should be OK, but suggest to use lower Rdson MOSFET and lower DCR inductor, and by the way, 99% is based on 200KHZ Fsw, Generally it can support around 96% max.

Yuchang

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WEBENCH® Tools/TPS51220: TPS51220