CXSD62549 operates over a wide input voltage range from 4V to 23V. The DC/DC regulator adopts the instant PWM architecture to achieve fast transient responses for high step down applications and high

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The CXSD62549 operates over a wide input voltage range from 4V to 23V. The DC/DC regulator adopts the instant PWM architecture to achieve fast transient responses for high step down applications and high efficiency at light load. The device provides various protection features for reliable operation. In addition, it operates at pseudo-constant frequency of 600kHz to minimize the size of inductor and capacitor.The CXSD62549 develops a high efficiency synchronous step-down DC/DC regulator capable of delivering 6A current. The device integrates main switch and synchronous switch with very low R_DS(ON) to minimize the conduction loss.

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·       Low R_DS(ON) for Internal Switches (Top/Bottom): 38/19mΩuRW嘉泰姆

·       Wide Input Voltage Range: 4-23VuRW嘉泰姆

·       Instant PWM Architecture to Achieve Fast Transient ResponsesuRW嘉泰姆

·       Internal 1.3ms Soft-Start Limits the Inrush CurrentuRW嘉泰姆

·       Pseudo-Constant Frequency: 600kHz.uRW嘉泰姆

·       6A Output Current CapabilityuRW嘉泰姆

·       +/-1% Internal Reference VoltageuRW嘉泰姆

·       PFM/PWM Selectable Light Load Operation ModeuRW嘉泰姆

·       Optional Bypass InputuRW嘉泰姆

·       Power Good IndicatoruRW嘉泰姆

·       Output Discharge FunctionuRW嘉泰姆

·       Output Current Limit ProtectionuRW嘉泰姆

·       Hiccup Mode Output Short Circuit ProtectionuRW嘉泰姆

·       Output Over Voltage ProtectionuRW嘉泰姆

·       Input UVLOuRW嘉泰姆

·       Over Temperature Protection with Auto RecoveryuRW嘉泰姆

·       Rohs Compliant and Halogen FreeuRW嘉泰姆

·       Compact Package: QFN3x3-20uRW嘉泰姆

   应用范围 返回TOPuRW嘉泰姆

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·       LCD-TV/Net-TV/3DTVuRW嘉泰姆

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·       High Power APuRW嘉泰姆

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