Description

The SC1457 is a low dropout linear regulator that operates from a +2.25V to +6.5V input range and delivers up to 150mA. 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.

Features

◆ Guaranteed 150mA output current

◆ Error flag indicates output undervoltage fault

◆ 2 output accuracy guaranteed over line, load and temperature

◆ Very small external components - designed to work with ceramic capacitors

◆ Low 110µVRMS output noise

◆ Very low supply current

◆ Thermal overload protection

◆ Reverse battery protection

◆ Low power shutdown

◆ Full industrial temperature range

◆ Very low profile packaging available (1mm max. height)

◆ Surface mount packaging (SOT-23-5 and TSOT-23-5)

Applications

◆ Battery Powered Systems

◆ Cellular Telephones

◆ Cordless Telephones

◆ Personal Digital Assistants

◆ Portable Instrumentation

◆ Modems

◆ PCMCIA cards