General Description
The TC1268 is a fixed output, fast turn-on, high accuracy (typically ±0.5%) CMOS low dropout regulator. Designed specifically for battery-operated systems, the TC1268’s CMOS construction eliminates wasted ground current, significantly extending battery life. Total supply current is typically 80µA at full load (20 to 60 times lower than in bipolar regulators).

Features
• Very Low Dropout Voltage
• 500mA Output Current
• High Output Voltage Accuracy
• Standard or Custom Output Voltages
• Over Current and Over Temperature Protection
• SHDN Input for Active Power Management
• ERROR Output to Detect Low Battery
• 5µsec (typical) Wake-up Time from SHDN

Applications
• RAMBUS Memory Module
• Battery-Operated Systems
• Portable Computers
• Medical Instruments
• Instrumentation
• Cellular/GSM/PHS Phones
• Linear Post-Regulator for SMPS
• Pagers
• Digital Cameras