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TOPTMb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.TMb嘉泰姆

   产品特点 返回TOPTMb嘉泰姆

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

●Frequency shuffling for EMI TMb嘉泰姆

●Audio Noise Free Operation TMb嘉泰姆

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

●Internal Synchronized Slope Compensation TMb嘉泰姆

●Fixed 65KHz Switching Frequency TMb嘉泰姆

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

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

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

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

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

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

 ﹡Adjustable OVP through external ZenerTMb嘉泰姆

 ﹡CS floating protection with auto-recoveryTMb嘉泰姆

 ﹡CS short protection with auto-recoveryTMb嘉泰姆

 ● Available in DIP8 packageTMb嘉泰姆

   应用范围 返回TOPTMb嘉泰姆

Offline AC/DC flyback converter for TMb嘉泰姆

 Switching AC/DC Power battery charge TMb嘉泰姆

 Digital cameras and camcorder adapter TMb嘉泰姆

 Set-top box power TMb嘉泰姆

 Auxiliary power supply for PC and server TMb嘉泰姆

 Open-frame SMPSTMb嘉泰姆

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