CXSD62553 The device adopts the instant PWM architecture to achieve fast transient responses for high step down applications and high efficiency at light loads high efficiency synchronous step-down DC

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The device adopts the instant PWM architecture to achieve fast transient responses for high step down applications and high efficiency at light loads. In addition, it operates at pseudo-constant frequency of 500kHz under continuous conduction mode to minimize the size of inductor and capacitor.The CXSD62553 develops a high efficiency synchronous step-down DC/DC regulator capable of delivering 16A current. The device integrates main switch and synchronous switch with very low R_DS(ON) to minimize the conduction loss. The CXSD62553 operate over a wide input voltage range from 4V to 18V.

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·       Low R_DS(ON) for Internal Switches (Top/Bottom): 7.5/2.5mΩipm嘉泰姆

·       Wide Input Voltage Range: 4-18Vipm嘉泰姆

·       External Bypass Input for Higher Light Load Efficiencyipm嘉泰姆

·       Instant PWM Architecture to Achieve Fast Transient Responsesipm嘉泰姆

·       Internal 1ms Soft-Start Limits the Inrush Currentipm嘉泰姆

·       Pseudo-Constant Frequency: 500khzipm嘉泰姆

·       16A Output Current Capabilityipm嘉泰姆

·       ±1.5% 0.6V Referenceipm嘉泰姆

·       Programmable Valley Current Limitipm嘉泰姆

·       Power Good Indicatoripm嘉泰姆

·       Output Discharge Functionipm嘉泰姆

·       Hic-Cup Mode Output Short Circuit Protectionipm嘉泰姆

·       Input UVLOipm嘉泰姆

·       Over Temperature Protectionipm嘉泰姆

·       Rohs Compliant and Halogen Freeipm嘉泰姆

·       Compact Package: QFN4x4-11ipm嘉泰姆

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·       LCD-TV/Net-TV/3DTVipm嘉泰姆

·       Set Top Boxipm嘉泰姆

·       Notebookipm嘉泰姆

·       High Power APipm嘉泰姆

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