3A Bus Termination Regulator CXLD64155 linear regulator is designed to provide a regulated voltage with bi-directional output current for DDR-SDRAM termination voltage

   产品概述 返回TOPWC1嘉泰姆

The CXLD64155 linear regulator is designed to provide a regulated voltage with bi-directional output current for DDR-SDRAM termination voltage. The CXLD64155 integrates two power transistors to source or sink current up to 3A. It also incorporates current-limit, thermal shutdown and shutdown control functions into a single chip. The current-limit circuit limits the short-circuit current. The on-chip thermal shutdown provides protection against any combination of overload that would create excessive junction temperature. The output voltage of CXLD64155 tracks the voltage at VREF pin. A resistor divider connected to VIN, GND and VREF pins is used to provide a half voltage of VIN to VREF pin. In addition, an external ceramic capacitor and an open-drain transistor connected to VREF pin provide soft-start and shutdown control respectively. Pulling and holding the VREF voltage to 0V shuts off the output. The output of the CXLD64155will be high impedance in shutdown condition.

   产品特点 返回TOPWC1嘉泰姆

· Provide Bi-direction Current - Sourcing or Sinking Current up to 3A WC1嘉泰姆

· 1.25V/0.9V Output for DDR I/II Applications WC1嘉泰姆

· Fast Transient Response WC1嘉泰姆

· High Output Accuracy - ±20mV over Load, VOUT Offset and Temperature WC1嘉泰姆

· Adjustable Output Voltage by External Resistors WC1嘉泰姆

· Current-Limit Protection WC1嘉泰姆

· On-Chip Thermal Shutdown WC1嘉泰姆

· Shutdown for Standby or Suspend Mode WC1嘉泰姆

· Simple SOP-8, SOP-8P with thermal pad, TO-252-5 and TO-263-5 Packages WC1嘉泰姆

· Lead Free and Green Devices Available (RoHS Compliant)WC1嘉泰姆

   应用范围 返回TOPWC1嘉泰姆

· DDR I/II SDRAM Termination WC1嘉泰姆

· SSTL-2/3 Termination Voltage WC1嘉泰姆

· Applications Requiring the Regulator with Bi-directional 3A Current CapabilityWC1嘉泰姆

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