You need to use a fairly large capacitor in addition to the 4.7µF capacitor already present on VDD, because there will be significant voltage drops at high peak currents as the coin cell nears depletion.
Other than that you use the reference circuit as is.
You need to use a fairly large capacitor in addition to the 4.7µF capacitor already present on VDD, because there will be significant voltage drops at high peak currents as the coin cell nears depletion.
Other than that you use the reference circuit as is.
