DESCRIPTION
The LD2981 series are 100mA fixed-output voltage regulator. The low drop-voltage and the ultra low quiescent current make them suitable for low noise, low power applications and in battery powered systems.

■ STABLE WITH LOW ESR CERAMIC CAPACITORS
■ ULTRA LOW DROPOUT VOLTAGE (0.17V TYP. AT 100mA LOAD, 7mV TYP. AT 1mA LOAD)
■ VERY LOW QUIESCENT CURRENT (80µA TYP. AT NO LOAD IN ON MODE; MAX 1µA IN OFF MODE)
■ GUARANTEED OUTPUT CURRENT UP TO 100mA
■ LOGIC-CONTROLLED ELECTRONIC SHUTDOWN
■ OUTPUT VOLTAGE OF 1.5; 1.8; 2.5; 2.85; 3.0; 3.2; 3.3; 3.6; 3.8; 4.0; 4.7; 4.85; 5.0V
■ INTERNAL CURRENT AND THERMAL LIMIT
■ ± 0.75% TOLERANCE OUTPUT VOLTAGE AVAILABLE (A VERSION)
■ OUTPUT LOW NOISE VOLTAGE 160µVRMS
■ TEMPERATURE RANGE: -40 TO 125°C
■ SMALLEST PACKAGE SOT23-5L AND SOT-89
■ FAST DYNAMIC RESPONSE TO LINE AND LOAD CHANGES