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LT1309 - 500kHz Micropower DC/DC Converter for Flash Memory

Key Features

  • s s s s s s s s s.

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LT1309 500kHz Micropower DC/DC Converter for Flash Memory FEATURES s s s s s s s s s DESCRIPTIO s 60mA Output Current at 12V from 3V or 5V Supply Shutdown to 9µA VPP VALID Comparator Up to 85% Efficiency Switching Frequency: 500kHz (Typical) Quiescent Current: 650µA Low VCESAT Switch: 300mV at 0.5A (Typical) Soft Start Reduces Supply Current Transients Uses Low Value, Small Size, Surface Mount Inductors Available in 8-Lead SO Package APPLICATI s s s s s s S Flash Memory VPP Generators Type II and III PCMCIA Card DC/DC Converters 3V to 12V, 5V to 12V Converters Portable Computers and Instruments Cellular Telephones DC/DC Converter Module Replacements The LT ® 1309 is a 500kHz micropower DC/DC converter for Flash Memory. The regulator features Burst ModeTM operation with a 0.