LT8646S: FAQ

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What state are the SW pins of the LT8646S when the part is disabled? Pulled High, Low, or Open?

The SW pins of the LT8646S are High-Z when the part is disabled (EN pin low).
With two LT8646S ICs in parallel as per Figure 5 in the Datasheet, can I disable one IC to save power under light loads?

There is an active pulldown internal in the LT8648S on the SS pin which is activated if the EN pin is brought low (Shutdown). This 200Ω pulldown easily overrides the 1.9µA current source and so the voltage…

What state are the SW pins of the LT8646S when the part is disabled? Pulled High, Low, or Open?