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MC3265N6 Datasheet(PDF) 1 Page - Cystech Electonics Corp. |
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MC3265N6 Datasheet(HTML) 1 Page - Cystech Electonics Corp. |
1 / 12 page CYStech Electronics Corp. Spec. No. : C595N6 Issued Date : 2012.02.23 Revised Date : Page No. : 1/12 MC3265N6 CYStek Product Specification Current Mode PWM Controller MC3265N6 Description MC3265 is a highly integrated current mode PWM control IC optimized for high performance low standby power offline flyback converter applications. To improve the efficiency, MC3265 works at QR (Quasi-Resonant) mode or fixed frequency(52KHz) while the loading is high and the line voltage is high or low. At normal loading, MC3265 works at QR mode and the frequency is limited to 95KHz. To meet the international power conservation requirements, optimized green mode is integrated to improve the efficiency at light or no load conditions with no audible noise. Slope compensation is integrated to ensure the stability at high load. Lead edge blanking is integrated to prevent the false trigger at the transition of the switch. Soft switching control at the gate drive can improve the EMI performance of the power supply. The Gate-drive output is clamped at 16V to protect the power MOS. Features ●Frequency jitter function to improve EMI performance of power supply ●No-audible-noise green mode Control ● Multi operation mode: QR, fixed-frequency CCM and green mode. ● Internal Slope Compensation ● Low VDD Startup Current and Low Operating Current ● Leading Edge Blanking ● UVLO ● Gate Max Output Voltage Clamp at 16V ● Overload Protection (OLP). ● Over temperature Protection (OTP). ● Line Compensation Over Current Protection (OCP) Applications Offline AC/DC flyback converter for ● Battery Charger ● Power Adaptor ● Set-Top Box Power Supplies ● Open-frame SMPS ● PC 5V Standby Power ● TV Power Supplies Standby |
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