DESCRIPTION
A PMOS pass transistor allows the low 75µA supply current to remain independent of load, making these devices ideal for battery operated portable equipment such as cellular phones, cordless phones and personal digital assistants. 150mA Ultra Low Dropout Regulator with Low Noise Bypass PRELIMINARY FEATURES
u 2982/5205 compatible pinout u Guaranteed 150 mA output current u Very small external components - designed to work with ceramic capacitors Low 25µVRMS output noise Very low supply current Thermal overload protection Reverse battery protection Low power shutdown Full industrial temperature range Surface mount packaging (5 pin SOT-23) SC1453 u u u The SC1453 has a bandgap reference bypass pin for u very low noise operation - a 10nF (typ.) capacitor is u connected between this pin and ground. Other features u include low powered shutdown, short circuit protection, u thermal shutdown protection and reverse battery protection. APPLICATIONS
u u u u u u u Battery Powered Syst...
Semtech Corporation
