LD2981

· ULTRALOWDROPOUT VOLTAGE (0.2VAT 100mA LOAD, 7mV AT 1mA LOAD)
· VERYLOW QUIESCENTCURRENT (MAX 1mA WHEN IS IN SHUTDOWNMODE)
· OUTPUT CURRENT UP TO 100 mA
· LOGIC-CONTROLLEDELECTRONIC SHUTDOWN
· OUTPUT VOLTAGESOF 2.85; 3.0; 3.2; 3.3; 3.8; 4.85; 5.0V
· INTERNAL CURRENT AND THERMAL LIMIT
· AVAILABLEIN ± 0.75%TOLLERANCE (AT 25^oC, A VERSION)
· OUTPUT LOWNOISE VOLTAGE160mVrms
· ONLY4.7mF FORSTABILITY
· TEMPERATURE RANGE: -40 TO 125 ^oC
· SMALLESTPACKAGE SOT23-5LAND SOT-89
· FASTDYNAMIC RESPONCE TO LINE AND LOADCHANGES

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

In sleep mode quiescent current is less than 1A when INHIBIT pis is pulled low. Shutdown Logic Control function is available on pin n.3 (TTL compatible). This means that when the LD2981 is used as local regulator, it is possible to put a part of the board in standby, decreasing the total power consumption. Typlical application are in cellular phone, palmtop/laptop computer, personal digital assistant (PDA), personal stereo, camcorder and camera.