ILC7081/

      Here is the description about ILC7080/81 of the 50/100mA SOT-23 CMOS RF LDO(TM) Regulators. The ILC7080/81 are 50 or 100mA low dropout (LDO) voltage regulators designed to provide a high performance solution to low power systems. The devices offer a typical combination of low dropout and low quiescent current expected of CMOS parts, while uniquely providing the low noise and high ripple rejection characteristics usually only associated with bipolar LDO regulators.
      Here are the features: Ultra low 1mV dropout per 1mA load; 1% output voltage accuracy; Uses low ESR ceramic output capacitor to minimize noise and output ripple; Only 100uA ground current at 100mA load; Ripple rejection up to 85dB at 1kHz, 60dB at 1MHz; Less than 80uVRMS noise at BW = 100Hz to 100kHz; Excellent line and load transient response; Over current / over temperature protection; Metal mask option available for custom voltages between 2.5 to 10V.
      Here are its maximum ratings. Storage Temperature is from -40~+125°C. Operating Ambient Temperature (case) is from -40 to +85°C. Input voltage is from -0.3 to +13.5V. On/Off Input voltage is -0.3 to VIN. Output Current is Short circuit protected mA. Output voltage is from -0.3 to VIN+0.3V. Maximum Junction Temp Range is from -40 to +150°C.
      And here are the Electrical Characteristics (Ta =25°C). Shutdown (OFF) Current is at max 2uA. ON/OFF Input Voltage is from 2.0 to 13V.
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