G923

Global Mixed-mode Technology Inc. G923 300mA High PSRR LDO Regulators Features „ Low, 90µA No-Load Supply Current „ Guaranteed 300mA Output Current „ Dropout Voltage is 200mV @ 150mA Load „ PSRR=65dB @ 120Hz „ Over-Temperature Protection and Short-Circuit Protection „ Two Modes of Operation ---- Fixed Mode: 1.50V~5.00V Adjustable Mode: from 1.25V to 5.50V „ Max. Supply Current in Shutdown Mode < 1µA „ Low Output Noise at 238µVRMS „ Stable with low cost ceramic capacitors Applications „ Notebook Computers „ Cellular Phones „ PDAs „ Digital still Camera and Video Recorders „ Hand-Held Devices „ Audio Codec General Description The G923 is a low supply current, high PSRR, and low dropout linear regulator that comes in a space saving SOT-23-5 package. The supply current at no-load is 90µA. In the shutdown mode, the maximum supply current is less than 1µA. Operating voltage range of the G923 is from 2.50V to 5.50V. The over-current protection limit is set at 550mA typ...