Regulator candidate for Prop 2

jmg

It is not super-cheap, but this regulator looks to have very good noise and PSRR specs, and so would suit Analog based applications, for both Prop 2 and Prop 1.
It has a 1.200V ref, and 20V max, so could manage both supplies.
Claims Ultra-Low Output Noise: 5 µVRMS (10Hz to 100 kHz)

http://www.ti.com/product/lp38798?DCMP=pwr_lp_ldo_lownoise_en&HQS=lp38798-pr

Comes in a thermal 12 WSON, so could pack into some of the smaller modules being talked about.

In production a lower spec regulator may do, but it seems a good idea to use a regulator that is not a weak link, in development ?

There is also a lower Vin, lower Io version, that could power a special analog-port-vcc on Prop 2
http://www.ti.com/product/lp5907

Tubular

Very nice options. You're right there may be a case for local regulation to get better analog performance than a filtered feed

I had to blink at the lp5907 dsbga dimensions, 0.65 x 0.65mm... you'd fit 2 1/2 of them on a 0603 resistor. Need to improve my soldering skills!

Cluso99

Tubular wrote: »

Very nice options. You're right there may be a case for local regulation to get better analog performance than a filtered feed

I had to blink at the lp5907 dsbga dimensions, 0.65 x 0.65mm... you'd fit 2 1/2 of them on a 0603 resistor. Need to improve my soldering skills!

Don't sneeze!!!