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Data Sheet
LP2981x
100mA, Low-Dropout Regulator in SOT-23 Package
1 Features
- Input voltage (VIN)
range:
- Legacy chip: 2.2V to
16V
- New chip: 2.5V to
16V
- Output voltage (VOUT)
range: 1.2V to 5.0V
- Output voltage (VOUT)
accuracy:
- ±0.75% for A-grade legacy
chip
- ±1.25% for standard-grade
legacy chip
- ±0.5% for new chip
(A-grade and standard grade)
- Output Voltage (VOUT)
accuracy over load, and temperature: ±1% (new chip)
- Output current: Up to 100mA
- Low IQ (new chip):
69μA at ILOAD = 0mA
- Low IQ (new chip):
620μA at ILOAD = 100mA
- Shutdown current over
temperature:
- < 1μA (legacy
chip)
- ≤ 1.75μA (new chip)
- Output current limiting and
thermal protection
- Stable with 2.2µF ceramic
capacitors (new chip)
- High PSRR (new chip):
- 75dB at 1kHz, 45dB at
1MHz
- Operating junction temperature:
–40°C to +125°C
- Package: 5-pin SOT-23 (DBV)
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