constant-on-time PWM control method supports high input/output voltage ratios (low duty cycles), and fast transient response while maintaining a near constant operating frequency over line CXSD62548

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Internal 20mΩ power and 10mΩ synchronous rectifier switches provide excellent efficiency over a range of applications, especially for low output voltages and low duty cycles. Cycle-by-cycle current limit, input under-voltage lock-out, internal soft-start, output under- and over-voltage protection, and thermal shutdown provide safe operation in all operating conditions.proprietary Instant-PWM™ fast-response, constant-on-time (COT) PWM control method supports high input/output voltage ratios (low duty cycles), and fast transient response while maintaining a near constant operating frequency over line, load and output voltage ranges. This control method provides stable operation without complex compensation and even with low ESR ceramic capacitors.The CXSD62548 is a high-efficiency synchronous step down DC/DC regulator featuring internal power and synchronous rectifier switches capable of delivering 8A of continuous output current and up to 16A peak output current over a wide input voltage range of 4V to 28V.The CXSD62548 is available in a compact QFN3X3-12 package.

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·       Fast Transient ResponseK2y嘉泰姆

·       Wide Input Voltage Range: 4-28VK2y嘉泰姆

·       Internal 20mΩ Power Switch And 10mΩ Synchronous RectifierK2y嘉泰姆

·       8A Continuous/16A Peak Output Current CapabilityK2y嘉泰姆

·       Accurate Feedback Reference Voltage: 0.6V ±1 %K2y嘉泰姆

·       Pseudo-Constant 800kHz Operating FrequencyK2y嘉泰姆

·       Automatic High Efficiency Discontinuous Operating Mode at Light LoadsK2y嘉泰姆

·       Internal 600μS Soft-Start Limits Inrush CurrentK2y嘉泰姆

·       Programmable Valley Current LimitK2y嘉泰姆

·       Power Good IndicatorK2y嘉泰姆

·       Output Discharge FunctionK2y嘉泰姆

·       Cycle-By-Cycle Current LimitK2y嘉泰姆

·       Hiccup Mode Output Short Circuit And Over Voltage ProtectionK2y嘉泰姆

·       Over Temperature ProtectionK2y嘉泰姆

·       Compact Package: QFN3x3-12K2y嘉泰姆

   应用范围 返回TOPK2y嘉泰姆

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·       LCD-TV/Net-TV/3DTVK2y嘉泰姆

·       Set Top BoxK2y嘉泰姆

·       NotebookK2y嘉泰姆

·       High Power APK2y嘉泰姆

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