Current Mode PWM Controller With Frequency Shuffling CXAC8507A/B integrates a PWM controller and high voltage power MOSFET of 600V or 650V.

   产品概述 返回TOPRGq嘉泰姆

CXAC8507A/B integrates a PWM controller and high voltage power MOSFET of 600V or 650V. CXAC8507A/B has the features of very low standby power (<100mW) when AC power above 220Vac. and cost effective offline flyback converter applications in 18W range. CXAC8507A/B offers complete protection coverage with automatic self-recovery feature including Cycle-by-Cycle current limiting (OCP), CS short protection, over load protection (OLP), and VDD under voltage lockout (UVLO) and latch feature including over temperature protection (OTP), over voltage (fixed or adjustable) protection(OVP). Excellent EMI performance is achieved with frequency shuffling technique together with soft switching control at the totem pole gate drive output. Tone energy at below 20KHz is minimized in the design and audio noise is eliminated during operation.RGq嘉泰姆

   产品特点 返回TOPRGq嘉泰姆

●Power on Soft Start Reducing MOSFET VDS Stress RGq嘉泰姆

●Frequency shuffling for EMI RGq嘉泰姆

●Audio Noise Free Operation RGq嘉泰姆

●Extended Burst Mode Control For Improved Efficiency and Minimum Standby Power Design RGq嘉泰姆

●Internal Synchronized Slope Compensation RGq嘉泰姆

●Fixed 65KHz Switching Frequency RGq嘉泰姆

●Good protection coverage with auto self-recovery RGq嘉泰姆

 ﹡ VDD Under Voltage Lockout with Hysteresis (UVLO)RGq嘉泰姆

 ﹡Over Temperature Protection (OTP) with latch shut downRGq嘉泰姆

 ﹡Cycle-by-cycle over current threshold setting for constant output power limiting over universal input voltage rangeRGq嘉泰姆

 ﹡Overload Protection (OLP) with auto-recoveryRGq嘉泰姆

 ﹡VDD Over voltage Protection(OVP) with latch shut downRGq嘉泰姆

 ﹡Adjustable OVP through external ZenerRGq嘉泰姆

 ﹡CS floating protection with auto-recoveryRGq嘉泰姆

 ﹡CS short protection with auto-recoveryRGq嘉泰姆

 ● Available in DIP8 packageRGq嘉泰姆

   应用范围 返回TOPRGq嘉泰姆

Offline AC/DC flyback converter for RGq嘉泰姆

 Switching AC/DC Power battery charge RGq嘉泰姆

 Digital cameras and camcorder adapter RGq嘉泰姆

 Set-top box power RGq嘉泰姆

 Auxiliary power supply for PC and server RGq嘉泰姆

 Open-frame SMPSRGq嘉泰姆

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