General Description

The TC1173 is a precision output (typically ±0.5) CMOS low dropout regulator. Total supply current is typically 50µA at full load (20 to 60 times lower than in bipolar regulators).

TC1173 key features include ultra low noise operation (plus optional Bypass input); very low dropout voltage (typically 240mV at full load) and internal feed-forward compensation for fast response to step changes in load.

Features

• Extremely Low Supply Current for Longer Battery Life

• Very Low Dropout Voltage

• 300mA Output Current

• Standard or Custom Output Voltages

• ERROR Output Can Be Used as a Low Battery Detector or Processor Reset Generator

• Power Saving Shutdown Mode

• Bypass Input for Ultra Quiet Operation

• Over Current and Over Temperature Protection

• Space-Saving MSOP Package Option

Applications

• Battery Operated Systems

• Portable Computers

• Medical Instruments

• Instrumentation

• Cellular/GSM/PHS Phones

• Linear Post-Regulators for SMPS

• Pagers