Description & Applications | 400mA Low-Dropout Voltage Regulator ; •High output voltage accuracy • Guaranteed 400mA output • Low quiescent current • Low dropout voltage • Extremely tight load and line regulation • Very low temperature coefficient • Current and thermal limiting • Input withstands –20V reverse battery and 60V positive transients • Logic-controlled electronic shutdown • Battery-powered equipment • Cellular telephones • Laptop, notebook, and palmtop computers • PCMCIA VCC and VPP regulation/switching • Bar code scanners • Automotive electronics • SMPS post-regulators • Voltage reference • High-efficiency linear power supplies |