View max8863r datasheet:

19-0466; Rev 2; 11/98 Low-Dropout, 120mA Linear Regulators _______________General Description ____________________________Features The MAX8863T/S/R and MAX8864T/S/R low-dropout lin- ¦ Low Cost ear regulators operate from a +2.5V to +6.5V input ¦ Low, 55mV Dropout Voltage @ 50mA IOUT range and deliver up to 120mA. A PMOS pass transis- tor allows the low, 80µA supply current to remain inde- ¦ Low, 68µA No-Load Supply Current pendent of load, making these devices ideal for Low, 80µA Operating Supply Current (even in battery-operated portable equipment such as cellular dropout) phones, cordless phones, and modems. ¦ Low, 350µVRMS Output Noise The devices feature Dual Mode™ operation: their out- put voltage is preset (at 3.15V for the T versions, 2.84V ¦ Miniature External Co