产品概述 返回TOP44q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TOP44q嘉泰姆

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·       Low R_DS(ON) for Internal Switches (Top/Bottom): 38/19mΩ44q嘉泰姆

·       Wide Input Voltage Range: 4-23V44q嘉泰姆

·       Instant PWM Architecture to Achieve Fast Transient Responses44q嘉泰姆

·       Internal 1.3ms Soft-Start Limits the Inrush Current44q嘉泰姆

·       Pseudo-Constant Frequency: 600kHz.44q嘉泰姆

·       6A Output Current Capability44q嘉泰姆

·       +/-1% Internal Reference Voltage44q嘉泰姆

·       PFM/PWM Selectable Light Load Operation Mode44q嘉泰姆

·       Optional Bypass Input44q嘉泰姆

·       Power Good Indicator44q嘉泰姆

·       Output Discharge Function44q嘉泰姆

·       Output Current Limit Protection44q嘉泰姆

·       Hiccup Mode Output Short Circuit Protection44q嘉泰姆

·       Output Over Voltage Protection44q嘉泰姆

·       Input UVLO44q嘉泰姆

·       Over Temperature Protection with Auto Recovery44q嘉泰姆

·       Rohs Compliant and Halogen Free44q嘉泰姆

·       Compact Package: QFN3x3-2044q嘉泰姆

   应用范围 返回TOP44q嘉泰姆

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·       LCD-TV/Net-TV/3DTV44q嘉泰姆

·       Set Top Box44q嘉泰姆

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·       High Power AP44q嘉泰姆

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