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LTC3809

Part Number	LTC3809
Manufacturer	Linear Technology
Description	Synchronous DC/DC Controller
Published	Jun 8, 2009
Detailed Description	LTC3809 No RSENSE™, Low EMI, Synchronous DC/DC Controller FEATURES DESCRIPTION n No Current Sense Resistor Required ...
Datasheet	LTC3809 PDF File

Overview

LTC3809 No RSENSE™, Low EMI, Synchronous DC/DC Controller FEATURES DESCRIPTION n No Current Sense Resistor Required n Selectable Spread Spectrum Frequency Modulation for Low Noise Operation n Constant Frequency Current Mode Operation for Excellent Line and Load Transient Response n True PLL for Frequency Locking or Adjustment (Frequency Range: 250kHz to 750kHz) n Wide VIN Range: 2.
75V to 9.
8V n Wide VOUT Range: 0.
6V to VIN n 0.
6V ±1.
5% Reference n Low Dropout Operation: 100% Duty Cycle n Selectable Burst Mode®/Pulse-Skipping/Forced Continuous Operation n Auxiliary Winding Regulation n Internal Soft-Start Circuitry n Output Overvoltage Protection n Micropower Shutdown: IQ = 9μA n Tiny The...

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