[time-nuts] ULN regulator with more current capability than LT3042?
Tom Miller
tmiller11147 at verizon.net
Sun Mar 18 20:27:15 UTC 2018
----- Original Message -----
From: "John Ackermann N8UR" <jra at febo.com>
To: "Discussion of precise time and frequency measurement"
<time-nuts at febo.com>
Sent: Sunday, March 18, 2018 4:13 PM
Subject: [time-nuts] ULN regulator with more current capability than LT3042?
> Reviving the conversation about superb voltage regulators, I am looking
> for one to run the analog and PLL bits of a high performance frequency
> synthesizer chip.
>
> The current drain looks to be about 160-180 mA at 1.8 V, which is
> uncomfortably close to the limit for the LT3042 (200 mA). The
> manufacturer's evaluation board uses a MAX8869, which appears to be
> nowhere in the LT3042's league, but will source 1 A.
>
> Any recommendations for a 1.8 V regulator a little beefier than the
> LT3042, but with similar noise performance?
>
> Thanks!
> John
> _______________________________________________
Run two in parallel for twice the current and less noise?
Regards
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