A noise-density-versus-frequency plot for the lowdropout circuit in Figure 1 is 38 dB lower than that of a conventional low-noise, low-dropout-voltage regulator - in this case, a Maxim MAX8887
Figure 3. A noise-density-versus-frequency plot for the lowdropout circuit in Figure 1 is 38 dB lower than that of a conventional low-noise, low-dropout-voltage regulator - in this case, a Maxim MAX8887