CXSD62543 develops a high efficiency synchronous step-down DC/DC converter capable of delivering 4A output current wide input voltage range from 4.5V to 30V and integrates main switch and synchronou

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     CXSD62543 develops a high efficiency synchronous step-down DC/DC converter capable of delivering 4A output current. CXSD62543 operates over a wide input voltage range from 4.5V to 30V and integrates main switch and synchronous switch with very low R_DS(ON) to minimize the conduction loss.CXSD62543 adopts the proprietary 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 continous conduction mode to minimize the size of inductor and capacitor.

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·       Low R_DS(ON) for Internal Switches (Top/Bottom): 80/50mΩr9k嘉泰姆

·       4.5-30V Input Voltage Ranger9k嘉泰姆

·       Instant PWM Architecture to Achieve Fast Transient Responsesr9k嘉泰姆

·       External Softstart Limits the Inrush Currentr9k嘉泰姆

·       Pseudo-Constant Frequency: 500khz at Heavy Loadsr9k嘉泰姆

·       4A Continuous, 5A Peak Load Current Capabilityr9k嘉泰姆

·       1.5% 0.6V Referencer9k嘉泰姆

·       Output Over Current Limitr9k嘉泰姆

·       Output Short Circuit Protection with Current Fold Backr9k嘉泰姆

·       Thermal Shutdown and Auto Recoveryr9k嘉泰姆

·       Rohs Compliant and Halogen Freer9k嘉泰姆

·       Compact Package: SO8Er9k嘉泰姆

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