Re: Step-down switching regulator advice ?

On Nov 10, 6:32?pm, Eeyore <rabbitsfriendsandrelati...@xxxxxxxxxxx>
wrote:
I need a popular (easily available), low cost step-down switching regulator
suitable for an input voltage of up to ~ 18V that will deliver ~ 1A @11V with
Vin ideally as low as 11.25V.

What would you recommend ? I'm not at all familiar with the offerings here.

Graham

LM2575's switchers are pretty popular.
Second sourced by ON Semi, and possibly others.

Not sure about the 0.25V drop though.
And you'd need the adjustable one - requires 2 external programming
resistors.

.

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