The LP2982 is a 50-mA, fixed-output voltage LDO designed to provide ultra-low dropout and lower noise in battery-powered applications.
Using an optimized vertically integrated PNP (VIP) process, the LP2982 delivers unequaled performance in all specifications critical to battery-powered designs:
Dropout Voltage: Typically 120 mV at 50 mA load, and 7 mV at 1 mA load.
Ground Pin Current: Typically 375 μA at 50 mA load, and 80 μA at 1 mA load.
Sleep Mode: Less than 1-μA quiescent current when ON/OFF pin is pulled low.
Precision Output: 1% tolerance output voltages available (A grade).
Low Noise: By adding an external bypass capacitor, output noise can be reduced to 30 μV (typical).
For all available packages, see the orderable addendum at the end of the data sheet.| Output options | Fixed Output |
| Iout (max) (A) | 0.05 |
| Vin (max) (V) | 16 |
| Vin (min) (V) | 3.12 |
| Vout (max) (V) | 5 |
| Vout (min) (V) | 3 |
| Fixed output options (V) | 3, 3.3, 5 |
| Noise (µVrms) | 30 |
| Iq (typ) (mA) | 0.065 |
| Thermal resistance θJA (°C/W) | 176 |
| Rating | Catalog |
| Load capacitance (min) (µF) | 2.2 |
| Regulated outputs (#) | 1 |
| Features | Enable |
| Accuracy (%) | 2.3 |
| PSRR at 100 KHz (dB) | 38 |
| Dropout voltage (Vdo) (typ) (mV) | 120 |
| Operating temperature range (°C) | -40 to 125 |
| SOT-23 (DBV) | 5 | 8.12 mm² 2.9 x 2.8 |
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