2A Bus Termination Regulator CXLD64157 CXLD64157A linear regulator is designed to provide a regulated voltage with bi-directional output current for DDR-SDRAM termination.

   产品概述 返回TOPowI嘉泰姆

The CXLD64157 CXLD64157A linear regulator is designed to provide a regulated voltage with bi-directional output current for DDR-SDRAM termination. The CXLD64157 CXLD64157A integrates two power transistors to source or sink current up to 2A. It also incorporates current-limit and thermal shutdown into a single chip. The output voltage of CXLD64157 CXLD64157A tracks the voltage at VREF pin. An internal resistor divider is used to provide a half voltage of VREF for VTTREF and VTT Voltage. The VTT output voltage is only requiring 10mF of ceramic output capacitance for stability and fast transient response. The S3 and S5 pins provide the sleep state for VTT (S3 state) and suspend state (S4/S5 state) for device when S5 and S3 are both pulled low the device provides the soft-off for VTT and VTTREF. The MSOP-10P and TDFN3x3-10 package with a copper pad is available which provides excellent thermal impedance.

   产品特点 返回TOPowI嘉泰姆

· Sourcing and Sinking Current up to 2A owI嘉泰姆

· Wide Input Voltage Range: 1.2V to 3.6V owI嘉泰姆

· VTT and VTTREF Voltage Tracks at Half the VREF Voltage owI嘉泰姆

· VTT and VTTREF Voltage with ±10mV Accuracy owI嘉泰姆

· Excellent Load Transient Response owI嘉泰姆

· Stable with 10mF Ceramic Output Capacitor owI嘉泰姆

· Current-Limit Protection owI嘉泰姆

· Thermal Shutdown Protection owI嘉泰姆

· Power-On-Reset Function on VCNTL owI嘉泰姆

· S3, S5 Input Signals for ACPI States owI嘉泰姆

· Small MSOP-10P and TDFN3x3-10 Packages owI嘉泰姆

· Lead Free and Green Devices Available (RoHS Compliant)owI嘉泰姆

   应用范围 返回TOPowI嘉泰姆

· DDR 2/3 Memory TerminationowI嘉泰姆

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