CXSD62551 CXSD62551A 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 application

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The CXSD62551 CXSD62551A 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 loads. In addition, it operates at pseudo-constant frequency of 500kHz under heavy load conditions to minimize the size of inductor and capacitor. CXSD62551 CXSD62551A is optimized for lower than 2.5V_OUTapplication,The CXSD62551 CXSD62551A develops a high efficiency synchronous step-down DC-DC regulator capable of delivering 8A continuous, 16A peak current. The device integrates main switch and synchronous switch with very low R_DS(ON) to minimize the conduction loss. CXSD62551 CXSD62551A also integrates a bypass switch which allows the IC to be powered by external DC source.

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·       Low R_DS(ON) for Internal Switches (Top/Bottom): 30/10mΩoZm嘉泰姆

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

·       Output Voltage Range: 0.6~2.5VoZm嘉泰姆

·       External  Bypass InputoZm嘉泰姆

·       Instant PWM Architecture to Achieve Fast Transient ResponsesoZm嘉泰姆

·       Internal 400us Soft-Start Limits the Inrush CurrentoZm嘉泰姆

·       Pseudo-Constant Frequency: 500kHz.oZm嘉泰姆

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

·       ±1.0% 0.6V ReferenceoZm嘉泰姆

·       Programmable Valley Current LimitoZm嘉泰姆

·       Power Good IndicatoroZm嘉泰姆

·       Output Discharge FunctionoZm嘉泰姆

·       Short Circuit Latch Off ProtectionoZm嘉泰姆

·       Over Voltage Latch Off  ProtectionoZm嘉泰姆

·       Thermal ShutdownoZm嘉泰姆

·       Input UVLOoZm嘉泰姆

·       Rohs Compliant and Halogen FreeoZm嘉泰姆

·       Compact Package: QFN3x3-20oZm嘉泰姆

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·       LCD-TV/Net-TV/3DTVoZm嘉泰姆

·       Set Top BoxoZm嘉泰姆

·       NotebookoZm嘉泰姆

·       High Power APoZm嘉泰姆

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