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Controls/MCUs??

Torex chip has 300kHz oscillation frequency

Posted: 26 Jan 2004 ?? ?Print Version ?Bookmark and Share

Keywords:The XC9303 series from Torex USA Corp. is a highly efficient? synchronous PWM? PWM/PFM switching step-up and down dc/dc controller IC.?

The XC9303 series from Torex USA Corp. is a highly efficient, synchronous PWM, PWM/PFM switching step-up and down dc-dc controller IC.

With an input voltage range of 2.5V to 10V and output voltage range of 1.5V to 10V, the product features an oscillation frequency of 300kHz 15 percent, output current of >400mA, standby function of 3mA and soft-start internally set-up of 10ms.

The operation of the XC9303 can be switched between PWM and PWM/PFM (auto-switching) externally using PWM pin. In PWM/PFM mode, the device automatically switches from PWM to PFM during light loads. Output noise can be easily reduced with PWM control since the frequency is fixed.

The product is offered in a MSOP-8 package.





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