[SI-LIST] Re: Decoupling analysis- Ramp current
- From: steve weir <weirsi@xxxxxxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Fri, 19 Oct 2012 07:52:47 -0700
It is the large signal current response. Any amplifier is ultimately
limited in its response to large signals by the available supply versus
load headroom and intrinsic impedance.
Steve.
On 10/19/2012 2:38 AM, Balaji Gopal wrote:
> Experts,
>
> To find Lslew in VRM modeling for decoupling analysis, we require
> Voltage (V) , ripple tolerance, Regulator's switching frequency (fsw) , Ramp
> up time (t) & Ramp current ( I ). That is,
>
> Lslew = Voltage * ( %ripple ) * t / I
>
> I am quite unsure about this "Ramp current". How we find this? . Is this
> same as the Maximum Dynamic transient current or any other?
>
> Regards,
> Balaji Gopal
>
>
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