LP2981, LP2981A
SLVS521H – JULY 2004 – REVISED DECEMBER 2023
LP2981 100-mA, Low-Dropout
Regulator in SOT-23 Package
1 Features
• Input Voltage (VIN) Range: – Legacy chip: 2.
2 V to 16 V – New chip: 2.
5 V to 16 V
• Output Voltage (VOUT) Range: 1.
2 V to 5.
0 V • 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 100 mA • Low IQ (new chip): 69 μA at ILOAD = 0 mA • Low IQ (new chip): 620 μA at ILOAD = 100 mA • Shutdown current over temperature:
– 1 μA (legacy chip) – ≤ 1.
75 μA (new chip) • Out...