The LP2992IM5X-1.5/NOPB: PSRR is 45 dB at 1 kHz — that attenuates a 100 mV ripple on the input to roughly 560 µV at the output, which keeps noise-sensitive analog supplies clean enough for a 12-bit ADC reference rail. Quiescent current is 95 µA typical, so the regulator's own draw stays under 0.4 mA even at no load — relevant for battery-powered designs where the LDO sits on the always-on rail.
Housed in a 5-pin SOT-23 (SC-74A) package with a 0.95 mm pin pitch. The Enable pin lets the system power-gate the output rail; pulling it low drops the regulator into shutdown where quiescent current falls to near zero. CT suits prototype or low-volume builds.
Texas Instruments lists this part as ROHS3 compliant, with no halogen or lead restrictions beyond the standard exemption set.