View lsp2132-series datasheet:

Liteon Semiconductor Corporation LSP2132 300mA High PSRR Low Dropout CMOS Linear Regulator FEATURES GENERAL DESCRIPTION Low dropout voltage: 180mV at 300mA (Vo=3.3V) The LSP2132 series of positive voltage linear Quiescent current: Typ. 65µA regulators feature low quiescent current (Typ. 65µA) and low dropout voltage, making them ideal for battery 2% Voltage Accuracy High PSRR: 70dB at 1KHz powered applications. Their high PSRR make them Thermal Shutdown useful in applications where AC noise on the input Current Limiting power supply must be suppressed. Space saving Excellent line and load regulation SOT23-5L , SC70-5L package is attractive for portable Fast response and handheld applications. They have both thermal Short circuit protection shutd