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LTC6909 Datasheet Multiphase Silicon Oscillator

Manufacturer: Linear Technology (now Analog Devices)

General Description

n 1-, 2-, 3-, 4-, 5-, 6-, 7- or 8-Phase Outputs n One External Resistor Sets the Output Frequency from 12.5kHz to 6.67MHz n Optional Spread Spectrum Frequency for Improved EMI Performance n ±10% Frequency Spreading n Outputs Can Be Held Low or Floated (Hi-Z) n Three Spread Spectrum Modulation Rates fOUT/16, fOUT/32 and fOUT/64 n 400µA Supply Current n Operates from a Single 2.7V to 5.5V Supply n Fast Start-Up Time n First Cycle Accurate n Outputs Are High Impedance Until Frequency Settles n MS16 Package Applications n Synchronizing Multiple Switching Power Supplies L, LT, LTC, LTM, Linear Technology, the Linear logo and µModule are registered trademarks and ThinSOT is a trademark of Linear Technology Corporation.

All other trademarks are the property of their respective owners.

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Overview

LTC6909 1 to 8 Output, Multiphase Silicon Oscillator with Spread Spectrum.