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