CXSD62394

CXSD62394为大功率应用的DC-DC转换器提供完整的控制和保护。它被设计成在同步整流buck拓扑中驱动两个N通道mosfet。CXSD62394将所有控制和保护功能集成到一个软件包中。CXSD62394提供简单、单反馈、电压模式控制和快速瞬态响应。它包括一个300kHz自由运行的三角波振荡器。误差放大器采用15MHz增益带宽产品,为快速瞬态性能提供高转换带宽

快速瞬态响应大功率DC转换器CXSD62394同步整流buck拓扑驱动两个N通道mosfet输入电压5V至12V电压模式脉宽调制控制

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1.产品概述       2.产品特点     Ias嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)Ias嘉泰姆

5.产品封装       6.电路原理图  Ias嘉泰姆

7.相关产品Ias嘉泰姆

   产品概述 返回TOPIas嘉泰姆


The CXSD62394 provides complete control and protection for a DC-DC converter for high power applications. It is designed to drive two N-channel MOSFETs in a synchronous-rectified buck topology. The CXSD62394 integrates all of the control, and protection functions into a single package. The CXSD62394 provides simple, single feedback loop, voltage-mode control with fast transient response. It includes a 300kHz free-running triangle-wave oscillator. The error amplifier features a 15MHz gain-bandwidth product which provides high converter bandwidth for fast transient performance. The resulting PWM duty ratio ranges from 0% to 80%. The reference voltage is 0.8V, 2% accuracy. The CXSD62394 has internal soft start and executes cycle-by-cycle current limit during soft start interval. The CXSD62394 monitors the current by using the RDS(ON) of the low-side MOSFET which eliminates the need for a current sensing resistor. The under-voltage protection function monitors voltage at FB pin. The over-current and under-voltage events after soft-start interval trigger hiccup mode protection.

   产品特点 返回TOPIas嘉泰姆


„ Drives Two N-Channel MOSFETIas嘉泰姆

„ Operates at 5V to 12V Supply Voltage Ias嘉泰姆

„ Voltage-Mode PWM Control Ias嘉泰姆

„ Fast Transient Response Ias嘉泰姆

„ 0.8V, 2% Accuracy Reference Voltage Ias嘉泰姆

„ Internal Soft Start Ias嘉泰姆

„ Constant 300kHz Switching Frequency Ias嘉泰姆

„ Over-Current Fault Monitors by Using Low-Side MOSFET RDS(ON) Ias嘉泰姆

„ Output Under-Voltage ProtectionIas嘉泰姆

   应用范围 返回TOPIas嘉泰姆


„ High Power DC-DC Regulators Ias嘉泰姆

„ Low-Voltage Distributed Power SuppliesIas嘉泰姆

   技术规格书(产品PDF) 返回TOP Ias嘉泰姆


     需要详细的PDF规格书请扫一扫微信联系我们,还可以获得免费样品以及技术支持Ias嘉泰姆

 QQ截图20160419174301.jpgIas嘉泰姆

产品封装图 返回TOPIas嘉泰姆


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电路原理图 返回TOPIas嘉泰姆

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◀ 上一篇:内置UVLO功能PWM降压DC/DC转换器控制器CXSD62393外置PMOS开关输入2.5V~5.5V内部软启动振荡器频率300KHz

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下一篇▶:大功率DC转换器PWM控制CXSD62395同步整流buck拓扑中驱动两个N通道mosfet快速瞬态响应恒定300kHz开关频率