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LTC3805-5

Linear Technology
Part Number LTC3805-5
Manufacturer Linear Technology
Description Flyback DC/DC Controller
Published Jun 8, 2009
Detailed Description LTC3805-5 FEATURES Adjustable Frequency Current Mode Flyback/ Boost/SEPIC DC/DC Controller DESCRIPTION n VIN and VOU...
Datasheet PDF File LTC3805-5 PDF File

LTC3805-5
LTC3805-5

Overview
LTC3805-5 FEATURES Adjustable Frequency Current Mode Flyback/ Boost/SEPIC DC/DC Controller DESCRIPTION n VIN and VOUT Limited Only by External Components n 4.
5V Undervoltage Lockout Threshold n Adjustable Slope Compensation n Adjustable Overcurrent Protection with Automatic Restart n Adjustable Operating Frequency (70kHz to 700kHz) With One External Resistor n Synchronizable to an External Clock n ±1.
5% Reference Accuracy n Only 100mV Current Sense Voltage Drop n RUN Pin with Precision Threshold and Adjustable Hysteresis n Programmable Soft-Start with One External Capacitor n Low Quiescent Current: 360µA n Small 10-Lead MSOP and 3mm × 3mm DFN APPLICATIONS n Automotive Power Supplies n Telecom Power Supplies n Isolated Electronic Equipment n Auxiliary/Housekeeping Power Supplies n Power over Ethernet The LTC®3805-5 is a current mode DC/DC controller designed to drive an N-channel MOSFET in flyback, boost and SEPIC converter applications.
Operating frequency and ...


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