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Solutions Search - LTC3877 -Dual Phase Step-Down Synchronous Controller with VID Output Voltage Programming and Low Value DCR Sensing

LTC3877 2-Phase Synchronous Buck Controller with VID Programming & mΩ DCR Sensing - Video Product Brief

Bruce Haug - Product Marketing Engineer Mar 1st 2016
The LTC®3877 is a VID-programmable, constant frequency current mode step-down controller using an advanced and proprietary architecture. This new architecture enhances the signal-to-noise ratio of the current sense signal, allowing the use of very low DC resistance power inductors to maximize efficiency in high current ...

Video 

 

Powering Altera Arria 10 FPGA and Arria 10 SoC: Tested and Verified Power Management Solutions

Afshin Odabaee - Business Manager - uModule Power Products Feb 19th 2016
Design Note DN549: Introduction FPGA development kits allow system developers to evaluate an FPGA without having to design a complete system. Figures 1 and 2 show Altera’s new 20nm Arria 10 FPGAs and Arria 10 SoCs (System-on-Chip) development boards. These boards are tested and verified by Altera, exemplifying best design ...

Blog Post 

 

VID Controller with Phase Extender Provides 120A Power Supply for Latest Generation of FPGAs, ASICs and Processors

Mike Shriver - Senior Applications Engineer Jan 12th 2016
DN547: Introduction The current drawn by FPGAs, ASICs and processors for high performance servers, network and computing systems continues to rise, and load currents of 100A or greater are becoming common. Meanwhile, the chip's operating voltages are dropping to 0.9V and below with tighter voltage regulation requirements. For ...

Blog Post 

 

LTC3877 Four Phase, 120A VID-Controlled Converter Using LTC3877 and LTC3874

Aug 27th 2015
The LTC®3877 is a VID-programmable, constant frequency current mode step-down controller using an advanced and proprietary architecture. This new architecture enhances the signal-to-noise ratio of the current sense signal, allowing the use of very low DC resistance power inductors to maximize efficiency in high current ...

Circuit 

 

LTC3877 Dual Output, 400kHz Converter with Fixed and VID-Controlled Outputs

Aug 27th 2015
The LTC®3877 is a VID-programmable, constant frequency current mode step-down controller using an advanced and proprietary architecture. This new architecture enhances the signal-to-noise ratio of the current sense signal, allowing the use of very low DC resistance power inductors to maximize efficiency in high current ...

Circuit 

 

DC2229A-B - LTC3877/LTC3874 Demo Board | 4-Phase Buck Controller with VID Inputs, Sub-mΩ DCR sensing, 6V ≤ VIN ≤ 14V, Vout = 0.6V to 1.23V at 120A

Aug 24th 2015
Demonstration circuits 2229A-A and 2229A-B feature the LTC®3877 in two high output current, high efficiency, VID programmed step-down converters with sub-mΩ DCR sensing. For both converters, the input voltage range is 6V to 14V and the switching frequency is 400kHz. ...

Demo Board 

 

DC2229A-A - LTC3877 Demo Board | Dual Buck Controller, Sub-mΩ DCR sensing, 6V ≤ VIN ≤ 14V, Vout1 is VID Prog from 0.6V to 1.23V @ 30A, Vout2 is 1.5V @ 30A

Aug 24th 2015
Demonstration circuits 2229A-A and 2229A-B feature the LTC®3877 in two high output current, high efficiency, VID programmed step-down converters with sub-mΩ DCR sensing. For both converters, the input voltage range is 6V to 14V and the switching frequency is 400kHz. ...

Demo Board 

 

Multiphase DC/DC Controller with 6-Bit VID, ±1% VOUT Accuracy & ±2.5% Phase Current Matching for High Current FPGAs, ASICs & Processors

Aug 18th 2015
MILPITAS, CA - August 18, 2015 - Linear Technology Corporation introduces the LTC3877, a dual output multiphase synchronous step-down DC/DC controller with 6-bit voltage identification (VID) control that enables 10mV output voltage step resolution, a necessary feature when powering FPGAs and ASICs with tight input voltage requirements. ...

Press Release 

 

Altera Arria 10 FPGA Development Kit

Jul 17th 2015
The LTC3877 + LTC3874 are used to provide power for the Core Rail by taking advantage of the 6-bit parallel VID that interfaces with the 20-nm Arria 10’s SmartVID to reduce the FPGA’s static and dynamic power consumption, and Ultralow value and temperature compensated DCR load current sensing which maximizes ...

Circuit