Solutions Search - DDR Memory/Bus Termination

Ultrathin Triple Output μModule Regulator for DDR, QDR and QDR-IV SRAM Fits 0.5cm2 Area and Backside of PCB

Afshin Odabaee - Business Manager - uModule Power Products
Sam Young - Applications Engineer Apr 18th 2016
Design Note 551: Introduction Delivering the highest RTR (random transaction rate) of QDR (quad data rate) SRAMs, QDR-IV provides up to 400Gbps data transfer for high bandwidth networking, high performance computing and intensive data processing applications. A key challenge at these faster data rates is maintaining the integrity ...

 

NXP (Freescale) NOVPEK i.MX6Q/D

Apr 15th 2016
The NOVPEKTMi.MX 6 Platform Evaluation Kit was developed with close collaboration with NXP & Linear Technology to give OEMs a flexible platform to evaluate i.MX6 processors by giving access to all the available I/Os on the device and a robust power supply system using the LTC3676 PMIC from Linear Techology. The ...

 

DC2367A - LTM4632 Demo Board | Ultrathin Triple Output Buck μModule Regulator for DDR-QDR4 Memory, 3.6V ≤ VIN ≤ 15V, ±3A VDDQ/VTT, 10mA VREF

Apr 14th 2016
Demonstration circuit DC2367A features the LTM®4632EV μModule® regulator, a tiny low-profile high-performance high efficiency dual step-down regulator for DDR power. LTM4632 has an operating input voltage range of 3.6V to 15V. The output voltage of channel 1 (VDDQ) is resistor programmable from 0.6V to 2.5V and is ...

 

μModule Regulator for DDR & QDR4 SRAM Operates from 3.3VIN to 15VIN, Fits in 0.5cm² PCB

Apr 14th 2016
MILPITAS, CA - April 14, 2016 - Linear Technology introduces the LTM4632, a triple output µModule (power module) regulator for powering all three voltage rails of the new QDR4 and older DDR SRAM: VDDQ, VTT and VTTR (or VREF). Housed in a miniature, lightweight, ultrathin LGA package (6.25mm x 6.25mm x 1.82mm), the LTM4632 can ...

 

LTM4632 3.6V to 15V Input, 1.5V/3A VDDQ, 0.75V/±3A VTT and 10mA VTTR Design

Mar 16th 2016
The LTM®4632 is an ultrathin triple output step-down μModule® (power module) regulator to provide complete power solution for DDR-QDR4 SRAM. Operating from a 3.6V to 15V input voltage, the LTM4632 supports two ±3A output rails, both sink and source capable, for VDDQ and VTT, plus a 10mA low noise reference ...

 

LTM4632 4V to 15V Input, Two Phase Single Output ±6A VTT Termination Design with LTM4630 36A VDDQ Supply

Mar 16th 2016
The LTM®4632 is an ultrathin triple output step-down μModule® (power module) regulator to provide complete power solution for DDR-QDR4 SRAM. Operating from a 3.6V to 15V input voltage, the LTM4632 supports two ±3A output rails, both sink and source capable, for VDDQ and VTT, plus a 10mA low noise reference ...

 

LTM4632 3.3V Input, 1.5V/3A VDDQ, 0.75V/±3A VTT and 10mA VTTR Design

Mar 16th 2016
The LTM®4632 is an ultrathin triple output step-down μModule® (power module) regulator to provide complete power solution for DDR-QDR4 SRAM. Operating from a 3.6V to 15V input voltage, the LTM4632 supports two ±3A output rails, both sink and source capable, for VDDQ and VTT, plus a 10mA low noise reference ...

 

LTM4632 Two Module in Parallel, 3.6V to 15V Input, 1.2V/6A VDDQ, 0.6V/±6A VTT and 10mA VTTR Design

Mar 16th 2016
The LTM®4632 is an ultrathin triple output step-down μModule® (power module) regulator to provide complete power solution for DDR-QDR4 SRAM. Operating from a 3.6V to 15V input voltage, the LTM4632 supports two ±3A output rails, both sink and source capable, for VDDQ and VTT, plus a 10mA low noise reference ...

 

Stratix V Advanced System Development Board

Oct 22nd 2015
The Stratix® V Advanced Systems Development Kit is a complete systems design environment that includes both the hardware and software needed to begin architecture development and system design using Stratix V FPGAs. The PCI Express® (PCIe®)-based form-factor board combined with a one-year license for the ...

 

Terasic DE0-Nano-SoC Kit / Atlas-SoC Kit

Oct 5th 2015
The DE0-Nano-SoC Development Kit presents a robust hardware design platform built around the Altera System-on-Chip (SoC) FPGA, which combines the latest dual-core Cortex-A9 embedded cores with industry-leading programmable logic for ultimate design flexibility. Users can now leverage the power of tremendous re-configurability ...

 

MAX 10 NEEK Development Kit

Oct 5th 2015
The MAX 10 NEEK from Terasic is a full featured embedded evaluation kit based upon the MAX10 family of Altera FPGAs. It offers a comprehensive design environment with everything embedded developers need to create a processing based system. The MAX 10 NEEK delivers an integrated platform that includes hardware, design tools, ...

 

Arrow / Terasic SoCKit Development Kit

Jun 20th 2014
The SoCKit Development Kit presents a robust hardware design platform built around the Altera Cyclone V System-on-Chip (SoC) FPGA, which combines the latest Cortex-A9 embedded cores with industry-leading programmable logic for ultimate design flexibility. Users can now leverage the power of tremendous re-configurability paired ...

 

Terasic TR5-Lite Stratix V FPGA Development Kit

Jun 19th 2014
The TR5-Lite Stratix V FPGA Development Kit a slim form-factor PCIe board that features maximum power in a minimum size. Perfect for 1U chassis servers and other stringent environments, the TR5-Lite includes high speed SFP+ interfaces and high-bandwidth memory architecture for high performance computing, cloud systems, and ultra ...

 

Altera Nios II Embedded Evaluation Kit, Cyclone III Edition

Jun 11th 2014
The Nios II Embedded Evaluation Kit, Cyclone III Edition makes evaluating Altera’s embedded solutions easier than ever. A dozen different processor systems targeting the low cost, low-power Cyclone III FPGA can be evaluated by simply using the LCD color touch panel to scroll through and load your demo of ...

 

Altera Cyclone III FPGA Starter Kit

Jun 10th 2014
The Cyclone III FPGA Starter Kit is easy to use and an ideal introduction for users who have never designed with FPGAs before. Experienced FPGA designers can build systems leveraging the design examples included in the kit for a quick “out-of-the-box” evaluation experience.   Linear Technology ...

 

3A, 4MHz, Synchronous Step-Down Regulator in 3mm x 4mm QFN Now Offered in High Reliability H Grade & Military MP Grade to +150°C

Jan 29th 2014
MILPITAS, CA - January 29, 2014 - Linear Technology announces new high reliability H grade and military MP grade versions of the LTC3612, a high efficiency, 4MHz synchronous buck regulator that incorporates a constant frequency, current mode architecture. The device can deliver up to 3A of continuous output current at output ...

 

Dual 3A, 4MHz, Synchronous Step-Down Regulators with DDR Memory Now Offered in High Reliability H Grade & Military MP Grade to +150°C

Dec 19th 2013
MILPITAS, CA – December 19, 2013 – Linear Technology introduces new high reliability H grade and military MP grade versions of the LTC3615 and LTC3615-1, high efficiency, 4MHz synchronous buck regulators that incorporate a constant frequency, current-mode architecture. Low resistance internal switches enable the LTC3615 ...

 

LTC3676 8-Output PMIC For Application Processors - Video Product Brief

Steve Knoth - Senior Product Marketing Engineer Oct 24th 2013
The LTC®3676 is a complete power management solution for advanced portable application processor-based systems. The device contains four synchronous step-down DC/DC converters for core, memory, I/O, and system on-chip (SoC) rails and three 300mA LDO regulators for low noise analog supplies. The LTC3676-1 has a ±1.5A ...

 

DC1976A-A - LTC3676EUJ Demo Board | PMIC for Application Processors: 4 Bucks, 4 LDOs, I2C Control (req DC2026)

Oct 8th 2013
Demonstration circuit 1976A-A is a multioutput power supply with a pushbutton controller and I2C, featuring the LTC®3676EUJ. The LTC3676EUJ has four synchronous buck regulators (1.5A x 2 and 2.5A x 2), an always-on LDO (25mA) and three 100mA LDO regulators. The 2.7V to 5.5V input voltage range of the LTC3676EUJ is ideal ...

 

Complete Power Management IC Solutions for i.MX6, ARM Cortex & Other Advanced Portable Application Processor Systems

Jul 29th 2013
MILPITAS, CA – July 29, 2013 – Linear Technology Corporation announces the LTC3676 and LTC3676-1, complete PMIC power management solutions for portable processors including Freescale’s i.MX6 series, PXA, OMAP, ARM Cortex and other advanced portable microprocessor-based systems. The LTC3676 and LTC3676-1 contain four synchronous ...

 

DC1976A-B - LTC3676EUJ-1 Demo Board | PMIC with DDR DC/DC for Application Processors: 4 Bucks, 4 LDOs, I2C Control (req DC2026)

Jun 14th 2012
Demonstration circuit 1976A-B is a multioutput power supply with a pushbutton controller and I2C, featuring the LTC®3676EUJ-1. The LTC3676EUJ-1 has four synchronous buck regulators (1.5A x 2 and 2.5A x 2), an always-on LDO (25mA) and three 100mA LDO regulators. One buck is configured to provide 1/2VIN at 1.5A for DDR memory ...

 

Dual DC/DC Controller for DDR Power with Differential VDDQ Sensing and ±50mA VTT Reference

Ding Li - Senior Apps Engineer Jun 1st 2012
Introduction The LTC®3876 is a complete DDR power solution, compatible with DDR1, DDR2, DDR3 and DDR4 lower voltage standards. The IC includes VDDQ and VTT DC/ DC controllers and a precision linear VTT reference. A differential output sense amplifier and precision internal reference combine to offer an accurate VDDQ supply. ...

 

DC1631A - LTC3876EUHF Demo Board | DDR2/3, VIN = 4.5V to 14V, VDDQ = 1.8V/1.5V @ 20A, VTT = 0.9V/0.75V @ ±10A

Jan 17th 2012
Demonstration circuit 1631A is a dual output DDR2 or DDR3 power supply that provides 20A at 1.8V or 1.5V (jumper-selectable) for VDDQ and ±10A for VTT (VTT = 0.5VDDQ). It also has a ±50mA VTTR reference output. The demo board has an operating voltage range of 4.5V to 14V and a nominal 400kHz switching frequency. ...

 

High Efficiency Dual Synchronous Buck Controller Provides Complete DDR Power Solution & Complies with DDR1/DDR2/DDR3 Standards

Dec 15th 2011
MILPITAS, CA – December 15, 2011 – Linear Technology Corporation introduces the LTC3876, a high-efficiency dual output synchronous step-down DC/DC controller that generates the VDDQ supply voltage, the VTT bus termination voltage and the VTTR reference voltage for DDR1/DDR2/DDR3 and future standard memory applications. The ...

 

DDR3 1.5V VDDQ/20A 0.75VTT/±10A 4.5V to 14V Input

Nov 28th 2011
The LTC3876 is a complete DDR power solution, compatible with DDR1, DDR2, DDR3 and future DDRX lower voltage standards. The LTC3876 includes VDDQ and VTT DC/DC controllers and a precision linear VTT reference. A differential output sense amplifier and precision internal reference combine to offer an accurate VDDQ supply. The ...

 

LTC3634 Dual 15V, 3A Monolithic Step-Down Regulator for DDR Power

Jeff Gruetter - Product Marketing Engineer Sep 21st 2011
The LTC®3634 is a high efficiency, dual-channel monolithic synchronous step-down regulator which provides power supply and bus termination rails for DDR1, DDR2, and DDR3 SDRAM controllers. The operating input voltage range is 3.6V to 15V, making it suitable for point-of-load power supply applications from a 5V or 12V input, ...

 

DC1726A - LTC3618EUF Demo Board | For DDR Termination, 2.25V ≤ VIN ≤ 5.5V, VDDQ = 1.5V/1.8V/2.5V @ ±3A, VTT = 0.5VDDQ @ ±3A, VTTR Current = ±10mA

Sep 1st 2011
Demonstration circuit 1726 is a dual high efficiency monolithic step-down (buck) DC/DC switching regulator designed for double-data-rate (DDR) memory termination in computer systems. The VDDQ output is capable of sourcing and sinking up to 3A with output voltages of 1.5V, 1.8V, 2.5V plus an optional voltage, selected using jumpers. ...

 

High Efficiency Dual ±3A Synchronous Buck Regulator for DDR Power & Termination Complies with DDR/DDR2/DDR3 Standards

Aug 8th 2011
MILPITAS, CA – August 8, 2011 – Linear Technology Corporation introduces the LTC3618, a high-efficiency dual monolithic synchronous step-down switching regulator, capable of generating the supply voltage and the bus termination voltage for DDR/DDR2/DDR3 and future standard memory applications requiring both sourcing and sinking ...

 

DDR Memory Power Supply: 3.3Vin, 0.9V@+/-3A Vtt, 1.8V@3A Vddq, 0.9V@10mA Vref

Jul 26th 2011
The LTC3618 is a dual synchronous step-down regulator using a current mode, constant-frequency architecture. It provides a complete DDR solution with an input voltage range from 2.25V to 5.5V. The output of the first step-down regulator offers a high accuracy VDDQ supply. A buffered reference generates VTTR at 50% of VDDQIN ...

 

DC1839A - LTC3634EFE Demo Board (TSSOP) | VIN= 3.6V to 15V, VOUT1 =1.5V/1.8V/2.5V @ ±3A, VOUT2 =0.5VIN (VTT) @ ±3A, VOUT3 = 0.5VIN (VTTR) @ ±10mA

Jul 21st 2011
Demonstration circuit 1839A is a dual output regulator focused specifically for DDR memory power applications. It is built based on the LTC3634EFE (TSSOP-28E package), a high voltage dual channel, controlled on-time monolithic synchronous buck regulator. The DC1839A has an input voltage range of 3.6V to 15V. demo board's output ...

 

DC1707A - LTC3617EUDD Demo Board | VIN=2.25V to 5.5V, Vout1 = 0.5VIN (VTT) @ ±6A, Vout2 = 0.5VIN (VTTR) @ ±10mA

Jul 21st 2011
Demonstration circuit 1707 is a high efficiency monolithic step-down DC/DC switching regulator designed for double-data-rate (DDR) memory termination in computer systems. The VTT output is capable of sourcing and sinking up to 6A with an output voltage equal to one-half the voltage applied to the VDDQIN terminal or one-half ...

 

High Efficiency ±6A Switching Regulator for DDR Termination Complies with DDR/DDR2/DDR3 Standards

Jul 7th 2011
MILPITAS, CA – July 7, 2011 – Linear Technology Corporation introduces the LTC3617, a high efficiency, monolithic synchronous step-down switching regulator, capable of generating a bus termination voltage for DDR/DDR2/DDR3 and future standard memory applications requiring sourcing and sinking of current. An internal resistor ...

 

15V, Dual 3A Monolithic Synchronous Step-Down Regulator Powers DDR1, DDR2 or DDR3 Memory

Jun 29th 2011
MILPITAS, CA – June 29, 2011 – The LTC3634 is a high efficiency, dual-channel monolithic synchronous step-down regulator from Linear Technology, which provides power supply and bus termination rails for DDR1, DDR2 and DDR3 SDRAM controllers. The LTC3634 operates from an input voltage from 3.6V to 15V, making it ideal for ...

 

DDR Memory Power Supply: 2.5V to 5.5Vin, 1.25V@+/-6A Vtt, 1.25V@10mA Vref, 2.25MHz

Jun 20th 2011
The LTC3617 is a high efficiency monolithic synchronous buck regulator utilizing a current mode, constant frequency architecture. It operates from an input voltage range of 2.25V to 5.5V and provides a regulated output voltage equal to 0.5 • VDDQIN while sourcing and sinking up to 6A of load current. An internal amplifier ...

 

DDR Memory Power Supply: 2.5V to 5.5Vin, 0.75V@+/-6A Vtt, 0.75V@10mA Vref, 1MHz External Clock

Jun 20th 2011
The LTC3617 is a high efficiency monolithic synchronous buck regulator utilizing a current mode, constant frequency architecture. It operates from an input voltage range of 2.25V to 5.5V and provides a regulated output voltage equal to 0.5 • VDDQIN while sourcing and sinking up to 6A of load current. An internal amplifier ...

 

DDR Memory Power Supply: 3.6V to 15Vin, VTT Powered from VDDQ

Jun 7th 2011
The LTC3634 is a high efficiency, dual-channel monolithic synchronous step-down regulator which provides power supply and bus termination rails for DDR1, DDR2, and DDR3 SDRAM controllers. The operating input voltage range is 3.6V to 15V, making it suitable for point-of-load power supply applications from a 5V or 12V input, ...

 

DDR Memory Power Supply: 3.6V to 15Vin, 1.8V@3A Vddq, 0.9V@+/-3A Vtt, 0.9V@10mA Vref

Jun 7th 2011
The LTC3634 is a high efficiency, dual-channel monolithic synchronous step-down regulator which provides power supply and bus termination rails for DDR1, DDR2, and DDR3 SDRAM controllers. The operating input voltage range is 3.6V to 15V, making it suitable for point-of-load power supply applications from a 5V or 12V input, ...

 

DC1708A - LTC3634EUFD Demo Board (QFN) | VIN= 3.6V to 15V, VOUT1 =1.5V/1.8V/2.5V@±3A, VOUT2 = 0.5VIN (VTT)@±3A, VOUT3 = 0.5VIN (VTTR)@±10mA

Mar 23rd 2011
Demonstration circuit 1839A is a dual output regulator focused specifically for DDR memory power applications. It is built based on the LTC3634EUFD (4mm x 5mm QFN-28 package), a high voltage dual channel, controlled on-time monolithic synchronous buck regulator. The DC1839A has an input voltage range of 3.6V to 15V. demo board's ...

 

DC1435A - LTC3615EUF Demo Board (QFN) | 2.25V ≤ VIN ≤ 5.5V, VOUT1 = 1.8V to 3.3V @ 3A, VOUT2 = 1.2V to 1.8V @ 3A

Jun 25th 2010
Demonstration circuit 1435 is a dual output regulator consisting of two constant-frequency step-down converters, based on the LTC3615 dual channel monolithic synchronous buck regulator in the 4mm x 4mm QFN-24 package. The DC1435 has an input voltage range of 2.25V to 5.5V, with each regulator capable of delivering up to 3A of ...

 

DC1572A - LTC3615EFE Demo Board (TSSOP) | 2.25V ≤ VIN ≤ 5.5V, VOUT1 = 1.8V to 3.3V @ 3A, VOUT2 = 1.2V to 1.8V @ 3A

Jun 15th 2010
Demonstration circuit 1572 is a dual output regulator consisting of two constant-frequency step-down converters, based on the LTC3615 dual channel monolithic synchronous buck regulator in the TSSOP exposed pad package. The DC1572 has an input voltage range of 2.25V to 5.5V, with each regulator capable of delivering up to 3A ...

 

DC1467A - LTC3614EUDD Demo Board | 4A, 4MHz Monolithic Synchronous Step-Down DC/DC Converter

May 5th 2010
Demo Circuit 1467 is a high efficiency, high frequency step-down converter, incorporating the LTC3614 monolithic synchronous regulator. The DC1467A has an input voltage range of 2.25V to 5.5V, and is capable of delivering up to 4A of output current. The output voltage of the DC1467A can be set as low as 0.6V, the reference voltage ...

 

General Purpose Dual 3A, 4MHz, Synchronous Step-Down Regulator Also Supports DDR Memory

May 3rd 2010
MILPITAS, CA — May 3, 2010 — Linear Technology introduces the LTC3615, a high efficiency, 4MHz synchronous buck regulator that incorporates a constant frequency, current-mode architecture. Low resistance internal switches enable the LTC3615 to deliver up to 3A of continuous output current from each channel while its low ...

 

4A, 4MHz, Synchronous Step-Down Regulator in 3mm x 5mm QFN

Apr 14th 2010
MILPITAS, CA — April 14, 2010 — The LTC3614 is a high efficiency synchronous buck regulator from Linear Technology that incorporates a constant frequency, current mode architecture capable of switching frequencies up to 4MHz. Low resistance internal switches allow the LTC3614 to deliver up to 4A of continuous output current ...

 

LTC3614 2.5V, 4A, 2.25MHz Monolithic Synchronous Step-Down DC/DC Converter

Apr 1st 2010
The LTC®3614 is a low quiescent current monolithic synchronous buck regulator using a current mode, constant frequency architecture. The no-load DC supply current in sleep mode is only 75μA while maintaining the output voltage (Burst Mode operation) at no load, dropping to zero current in shutdown. The 2.25V to 5.5V ...

 

6A, 4MHz, Synchronous Step-Down Regulator in a 3mm x 5mm QFN

Mar 15th 2010
MILPITAS, CA — March 15, 2010 — The LTC3616 is a high efficiency, 4MHz synchronous buck regulator from Linear Technology that incorporates a constant frequency, current mode architecture. Low resistance internal switches allow the LTC3616 to deliver up to 6A of continuous output current from a 3mm x 5mm QFN package and its ...

 

DC1461A - LTC3616EUDD Demo Board | 6A, 4MHz, Monolithic Synchronous Step-Down DC/DC Converter

Mar 12th 2010
Demo Circuit 1461 is a high efficiency, high frequency step-down converter, incorporating the LTC3616 monolithic synchronous regulator. The DC1461A has an input voltage range of 2.25V to 5.5V, and is capable of delivering up to 6A of output current. The output voltage of the DC1461A can be set as low as 0.6V, the reference voltage ...

 

LTC3616 DDR Termination With Ratiometric Tracking of VDD, 1MHz

Feb 16th 2010
The LTC®3616 is a low quiescent current monolithic synchronous buck regulator using a current mode, constant frequency architecture. The no-load DC supply current in sleep mode is only 70μA while maintaining the output voltage (Burst Mode operation) at no load, dropping to zero current in shutdown. The 2.25V to 5.5V ...

 

DC1574A - LTC3612EFE Demo Board | 3A, 4MHz, Monolithic Synchronous Step-Down Regulator, TSSOP-16E Pkg

Oct 22nd 2009
Demo Circuit 1574 is a high efficiency, high frequency step-down converter, incorporating the LTC3612 monolithic synchronous regulator. The DC1574A has an input voltage range of 2.25V to 5.5V, and is capable of delivering up to 3A of output current. The output voltage of the DC1574A can be set as low as 0.6V, the reference voltage ...

 

DC1310A - LTC3612EUDC Demo Board | 3A, 4MHz, Monolithic Synchronous Step-Down Regulator, QFN-20 Pkg

Oct 6th 2009
Demo Circuit 1310 is a high efficiency, high frequency step-down converter, incorporating the LTC3612 monolithic synchronous regulator. The DC1310A has an input voltage range of 2.25V to 5.5V, and is capable of delivering up to 3A of output current. The output voltage of the DC1310A can be set as low as 0.6V, the reference voltage ...

 

3A, 4MHz, Synchronous Step-Down Regulator in 3mm x 4mm QFN

Sep 1st 2009
MILPITAS, CA - September 1, 2009 - The LTC3612 is a high efficiency, 4MHz synchronous buck regulator from Linear Technology that incorporates a constant frequency, current mode architecture. It can deliver up to 3A of continuous output current at output voltages as low as 0.6V from a 3mm x 4mm QFN or a thermally enhanced TSSOP-20 ...

 

LTC3612 DDR Termination with Ratiometric Tracking of VDD, 1MHz

Jul 28th 2009
The LTC®3612 is a low quiescent current monolithic synchronous buck regulator using a current mode, constant frequency architecture. The no-load DC supply current in sleep mode is only 70μA while maintaining the output voltage (Burst Mode operation) at no load, dropping to zero current in shutdown. The 2.25V to 5.5V ...

 

2-Phase, Spread Spectrum, DDR Memory Supplies with Ceramic Output Capacitors

Mar 8th 2005
The LTC3776 is a 2-phase dual output synchronous stepdown switching regulator controller for DDR/QDR memory termination applications. The second controller regulates its output voltage to 1/2 VREF while providing symmetrical source and sink output current capability. ...

 

DC829A - LTC3776EUF | 2-Phase Dual Step-Down Converter For DDR/QDR Memory Termination, Vin = 2.75V-8V, Vout1 = 2.5V (5A@5Vin), Vout2=1.25V (+/-5A@5Vin)

Mar 8th 2005
DC829A - Demo Board for:LTC3776 - Dual 2-Phase, No RSENSE Synchronous Controller for DDR/QDR Memory Termination ...

 

DDR Memory Power Supply: 3.3Vin, 0.9V@+/-3A Vtt (with 1.8V external reference)

Nov 13th 2002
Many DDR termination applications require the bus termination voltage to be stepped down from a higher system voltage while tracking one-half of a reference voltage. This option is allowable in most systems since a reference voltage is typically available. This circuit shows a solution for a 3.3V to 0.9V, ±3A termination ...

 

DC492A - LTC3413EFE | +/- 3A Monolithic DDR Memory Termination Supply, Vin = 2.25V-5.5V, Vout = Vref/2 +/- 3A

Nov 13th 2002
DC492A - Demo Board for:LTC3413 - 3A, 2MHz Monolithic Synchronous Regulator for DDR/QDR Memory Termination ...

 

DDR Memory Power Supply: 3.3Vin, 1.5V@+/-3A Vtt (2.5V external reference)

Nov 13th 2002
The LTC3413 is a high efficiency monolithic synchronous step-down DC/DC converter utilizing a constant frequency, current mode architecture. It operates from an input voltage range of 2.25V to 5.5V and provides a regulated output voltage equal to (0.5)VREF while sourcing or sinking up to 3A of output current. An internal voltage ...

 

DC464A - LTC3718EG | Low Input Voltage, High Current, DDR Termination Supply, 1.5-5Vin, VRef/2 @ 0-12a

Feb 22nd 2002
DC464A - Demo Board for:LTC3718 - Low Input Voltage, DC/DC Controller for DDR/QDR Memory Termination ...

 

DC450A - LTC3717EGN | DDR, HSTL, STTL Termination Power Supply, 5V-20Vin, VREF/2 @ 12A

Jan 2nd 2002
DC450A - Demo Board for:LTC3717 - Wide Operating Range, No RSENSE Step-Down Controller for DDR/QDR Memory Termination ...

 

DDR Memory Power Supply: 4V to 24Vin, 1.25V@+/-10A Vtt (2.5V external reference)

Jan 2nd 2002
This circuit shows a ±10A design using LTC3717. The input voltage can vary from 5V to 24V. The input voltage can be below 5V if an external 5V bias is available for powering the VCC pin of LTC3717. This design uses only two SO-8 PowerPak MOSFETs from Siliconix to deliver ±10A current. To achieve a higher output current, use ...

 

DDR Memory Power Supply: 5V to 28Vin, 1.5V@+/-10A Vtt (3V external reference)

Jan 2nd 2002
The LTC3717 is a synchronous step-down switching regulator controller for double data rate (DDR) and Quad Data Rate (QDRTM) memory termination. The controller uses a valley current control architecture to deliver very low duty cycles without requiring a sense resistor. Operating frequency is selected by an external resistor ...

 

DC470A - LTC3831EGN | High Efficiency Termination/Tracking Power Supply, 3V~8Vin, VREF/2 @ 12A

Nov 29th 2001
DC470A - Demo Board for:LTC3831 - High Power Synchronous Switching Regulator Controller for DDR Memory Termination ...

 

DDR Memory Power Supply: 5Vin, 1.25V@+/-6A Vtt (2.5V external reference)

Nov 29th 2001
The LTC3831 is a high power, high efficiency switching regulator controller designed for DDR memory termination.The LTC3831 generates an output voltage equal to 1/2 of an external supply or reference voltage. The LTC3831 uses a synchronous switching architecture with N-channel MOSFETs. Additionally, the chip senses output current ...