Table 1 Performance comparison of the proposed LDO with previously published LDOs
From: A Transient-Enhanced Voltage Regulator with Stability and Power-Supply-Rejection Boosting
This work | [28] | [29] | [30] | [31] | [32] | |
|---|---|---|---|---|---|---|
Process (nm) | 350 | 180 | 65 | 65 | 180 | 250 |
VIN (V) | 5.5–30 | 1.8 | 1–1.4 | 1.2 | 1.4 (min) | 1.5 - 3.3 |
VOUT (V) | 5 | 1.2 | 0.8–1.2 | 1 | 1.2 | 1.0 - 3.3 |
ILOAD (mA) | 0–30 | 10 (max) | 0–25 | 0.1–25 | 0–50 | 150 (max) |
COUT (nF) | 100–3300 | 0.2–500 | 0–0.025 | 0.12–0.54 | 220 | 1000 - 4700 |
Line regulation (μV/V) | 2.98 | N/A | 700 | 3800 | 6000 | N/A |
Load regulation (mV/mA) | 0.233 | 4 | 0.28 | 0.042 | 0.08 | 0.16 |
PSR (dB) | − 110 dB @low freq. − 86 dB@10 MHz with 0.1 μF COUT | − 41 dB@1 MHz − 41 dB@10 MHz − 39 dB@20 MHz | − 26 dB@1 MHz − 11 dB@10 MHz | − 52 dB@1 MHz − 37 dB@10 MHz − 36 dB@1GHz | − 36 dB@1 MHz | >22 dB @ 0 - 20 kHz |
Active Area (mm2) | 0.261 | 0.079 | 0.0021 | 0.087 | 0.0337 | 0.108 |