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G5616 Datasheet Complete DDR / DDRII and DDRIII Memory Solution Synchronous Buck PWM Controller

Manufacturer: Global Mixed-mode Technology

Download the G5616 datasheet PDF. This datasheet also includes the G5616-GlobalMixed variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (G5616-GlobalMixed-modeTechnology.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number G5616
Manufacturer Global Mixed-mode Technology
File Size 78.55 KB
Description Complete DDR / DDRII and DDRIII Memory Solution Synchronous Buck PWM Controller
Download G5616 Download (PDF)

General Description

The G5616 is intended for DDR/SSTL-2, DDRII/SSTL-18 and DDRIII memory systems.

It integrates a synchronous buck PWM controller with a 3-A sink-source linear regulator and buffered reference.

The PWM controller uses constant on-time control scheme to handle wide input/output voltage ratios with ease and provides 100ns “instant-on” response to load transients while maintaining a relatively constant switching frequency.

Overview

Global Mixed-mode Technology G5616 Complete DDR, DDRII and DDRIII Memory Solution Synchronous Buck PWM Controller, 3A LDO, Buffered.

Key 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 Adjustable to 2.5V(DDR) or 0.75V to 3.6V Adjustable Output Range.
  • 2V to 24V Battery Input Range.
  • 400kHz Switching Frequency.
  • OVP & UVP of VDDQ Output.
  • Drives Large Synchronous-Rectifier FETs.
  • Power-Good Indicator.
  • 3-A LDO.

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