LTC3809-1 Datasheet, Linear Technology

n Programmable Output Voltage Tracking n No Current Sense Resistor Required n Constant Frequency Current Mode Operation for Excellent Line and Load Transient Response n W.

n 1- or 2-Cell Lithium-Ion Powered Devices n Notebook and Palmtop Computers, PDAs n Portable Instruments n Distributed D.

The LTC®3809-1 is a synchronous step-down switching regulator controller that drives external complementary power MOSFETs using few external components. The constant frequency current mode architecture with MOSFET VDS sensing eliminates the need for .