产品概述 返回TOPhcZ嘉泰姆

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.

   产品特点 返回TOPhcZ嘉泰姆

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

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

·       Instant PWM Architecture to Achieve Fast Transient ResponseshcZ嘉泰姆

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

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

·       6A Output Current CapabilityhcZ嘉泰姆

·       +/-1% Internal Reference VoltagehcZ嘉泰姆

·       PFM/PWM Selectable Light Load Operation ModehcZ嘉泰姆

·       Optional Bypass InputhcZ嘉泰姆

·       Power Good IndicatorhcZ嘉泰姆

·       Output Discharge FunctionhcZ嘉泰姆

·       Output Current Limit ProtectionhcZ嘉泰姆

·       Hiccup Mode Output Short Circuit ProtectionhcZ嘉泰姆

·       Output Over Voltage ProtectionhcZ嘉泰姆

·       Input UVLOhcZ嘉泰姆

·       Over Temperature Protection with Auto RecoveryhcZ嘉泰姆

·       Rohs Compliant and Halogen FreehcZ嘉泰姆

·       Compact Package: QFN3x3-20hcZ嘉泰姆

   应用范围 返回TOPhcZ嘉泰姆

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·       LCD-TV/Net-TV/3DTVhcZ嘉泰姆

·       Set Top BoxhcZ嘉泰姆

·       NotebookhcZ嘉泰姆

·       High Power APhcZ嘉泰姆

   技术规格书（产品PDF) 返回TOP hcZ嘉泰姆

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