• Part: G5616A
  • Description: Complete DDR / DDRII and DDRIII Memory Solution Synchronous Buck PWM Controller
  • Manufacturer: Global Mixed-mode Technology
  • Size: 78.66 KB
Download G5616A Datasheet PDF
Global Mixed-mode Technology
G5616A
Features - Synchronous Buck Controller (VDDQ) - Ultra-High Efficiency - No Current-Sense Resistor (Lossless ILIMIT) - Quasi-PWM with 100ns Load-Step Response - 1.8V(DDRII) /1.5V(DDRIII) Fixed or 0.75V to 3.6V Adjustable Output Range - 2V to 28V Battery Input Range - Programmable Switching Frequency - OVP & UVP of VDDQ Output - Drives Large Synchronous-Rectifier FETs - Power-Good Indicator - 2-A LDO (VTT), Buffered Reference (VTTREF) - Support DDR (1.25 VTT) , DDR II (0.9 VTT) and DDRIII(0.75 VTT) Requirements - VLDOIN Voltage Range: 1.2V to 3.6V - Requires Only 20µF Ceramic VTT Output Ca- pacitance - Supports High-Z in S3 and Soft-Off in S5 - Integrated Divider Tracks 1/2 VDDQSNS for Both VTT and VTTREF - Remote Sensing (VTTSNS) - ±20m V Accuracy for VTT and VTTREF - 10m A Buffered Reference (VTTREF) - Built-In Soft-Start to Reduce the VLDOIN Surg- ing Current - Over Current Protection of VTT Output - Thermal Shutdown Protection Applications - Notebook puters - CPU Core Supply -...