LP2992 is a 250 mA fixed-output voltage regulator designed to provide ultra low-dropout and low noise in battery-powered applications. It uses an optimized VIP™ (Vertically Integrated PNP) process, delivering unmatched performance in all critical specifications for battery-powered designs. It features ultra low dropout voltage, low ground pin current, enhanced stability with low-ESR output capacitors, smallest possible size, precision output, and low noise.
The LP2992 is a 250 mA fixed‑output voltage regulator designed for ultra‑low dropout and low noise in battery‑powered applications. It uses National Semiconductor’s VIP™ process and provides 1 % output accuracy (A grade).
The device is available in compact SOT‑23 (5‑lead) and LLP (6‑lead) packages, supports an input range up to 16 V, and includes features such as low ground‑pin current, foldback current limiting, and optional bypass capacitor for further noise reduction.
| Dropout Voltage | Typically 450 mV @ 250 mA load, 5 mV @ 1 mA load |
|---|---|
| Ground Pin Current | Typically 1500 pA @ 250 mA load |
| Output Voltage Accuracy | 1 % tolerance (A grade) |
| Output Noise | 30 pV (typical) with 10 nF bypass capacitor |
| Maximum Output Current | 250 mA |
| Input Supply Voltage (Operating) | 2.2 V to +16 V |
| Package Types | 5‑Lead Small Outline (M5) and 6‑Lead LLP |
The typical dropout voltage is 450 mV at a 250 mA load and 5 mV at a 1 mA load.
The regulator provides a 1 % tolerance output voltage (A‑grade accuracy).
The LP2992 is offered in a 5‑lead Small Outline (M5) package and a 6‑lead LLP package.