同步整流控制器Synchronous Rectifier Controller CXAC85172是一款高性能二次侧同步整流控制器。CXAC85172控制NMOS以实现近乎理想二极管的特性进行整流，从而实现系统节能。CXAC85172采用伏秒平衡控制方法而不直接与MOSFET的漏端相连，可实现更宽的输出电压应用范围。其适用于DCM、临界和CCM模式

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            CXAC85172是一款高性能二次侧同步整流控制器。CXAC85172控制NMOS以实现近乎理想二极管的特性进行整流，从而实现系统节能。CXAC85172采用伏秒平衡控制方法而不直接与MOSFET的漏端相连，可实现更宽的输出电压应用范围。其适用于DCM、临界和CCM模式The CXAC85172 is a high performance controller used to secondary side synchronous rectifier (SR). The fundamental of CXAC85172 is utilized N-channel MOSFET power devices used for secondary side synchronous to emulate a near-ideal diode rectifier. This method not only directly reduces power dissipation of the rectifier but also reduces primary side losses as well. The CXAC85172 is applied voltage-second balancing control method and not directly connected to the MOSFET drain, so it is ideal for flyback power supplies over the wide-output voltage range. The SR drive turn-off threshold is not related to the MOSFET RDS(on), which allows optimizing for maximum conduction time. It is compatible with DCM, TM and CCM operation

   产品特点 返回TOPgzZ嘉泰姆

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•适用5V-24V系统gzZ嘉泰姆

•伏秒平衡控制方式gzZ嘉泰姆

•适用DCM、临界和CCM模式gzZ嘉泰姆

•短路保护gzZ嘉泰姆

•SOT23-6和SOP-8 封装gzZ嘉泰姆

•符合RoHS规范及Pb-FreegzZ嘉泰姆

Secondary-Side SR Optimized Controller for 5V togzZ嘉泰姆

24V Flyback SystemsgzZ嘉泰姆

Volt-Second Balance SR On-Time ControlgzZ嘉泰姆

Compatible with Primary-Side and Second-SidegzZ嘉泰姆

ControlgzZ嘉泰姆

CCM Operation CompatibilitygzZ嘉泰姆

Short Pin Fault ProtectiongzZ嘉泰姆

Available in SOP-8 and SOT23-6 PackagesgzZ嘉泰姆

RoHS Compliant and 100% Lead (Pb)-FreegzZ嘉泰姆

Halogen-FreegzZ嘉泰姆

   应用范围 返回TOPgzZ嘉泰姆

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•手机、掌上设备适配器</p>

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Switching Mode Power Supply(DCM, TM and CCM)gzZ嘉泰姆

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High Efficiency Auxiliary Power in ServergzZ嘉泰姆

Desktop and Appliance ApplicationgzZ嘉泰姆

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