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LTC3809-1

Linear Technology
Part Number LTC3809-1
Manufacturer Linear Technology
Description Synchronous DC/DC Controller
Published Jun 8, 2009
Detailed Description LTC3809-1 No RSENSETM, Low Input Voltage, Synchronous DC/DC Controller with Output Tracking FEATURES n Programmable Out...
Datasheet PDF File LTC3809-1 PDF File

LTC3809-1
LTC3809-1

Overview
LTC3809-1 No RSENSETM, Low Input Voltage, Synchronous DC/DC Controller with Output Tracking FEATURES 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 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 Selectable Maximum Peak Current Sense Threshold n Output Overvoltage Protection n Micropower Shutdown: IQ = 9μA n Tiny Thermally Enhanced Leadless (3mm × 3mm) DFN and 10-l...


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