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XC9303

Torex Semiconductor
Part Number XC9303
Manufacturer Torex Semiconductor
Description Synchronous Step-Up & Down DC/DC Controller
Published Feb 12, 2008
Detailed Description XC9303 Series High Efficiency, Synchronous Step-Up & Down DC / DC Controller ICs ETR0602_005 ☆Green Operation Compatib...
Datasheet PDF File XC9303 PDF File

XC9303
XC9303

Overview
XC9303 Series High Efficiency, Synchronous Step-Up & Down DC / DC Controller ICs ETR0602_005 ☆Green Operation Compatible ■GENERAL DESCRIPTION The XC9303 series is highly efficient, synchronous PWM, PWM/PFM switchable step-up & down DC/DC controller ICs.
A versatile, large output current and high efficiency, step-up/down DC/DC controller can be realized using only basic external components - transistors, coil, diode, capacitors, and resistors for detecting voltages.
High efficiency is obtained through the use of a synchronous rectification topology.
The operation of the XC9303 series can be switched between PWM and PWM/PFM (auto switching) externally using the PWM pin.
In PWM/PFM mode, the XC9303 automatically switches from PWM to PFM during light loads and high efficiencies can be achieved over a wide range of output loads conditions.
Output noise can be easily reduced with PWM control since the frequency is fixed.
Synchronous rectification control can be switched to non-synchronous ...


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