Datasheet Summary
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 parator 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
Flash Memory VPP Generators Type II and III PCMCIA Card DC/DC Converters 3V to 12V, 5V to 12V Converters Portable puters and Instruments Cellular Telephones DC/DC Converter Module Replacements
The LT ® 1309 is a 500kHz...