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Solutions Search - External Power Switch Buck Controllers

DC1890A - LTC3883EUH Demo Board | Programming Clamshell Socketed Demo Board

Oct 23rd 2017
Demonstration circuit 1890A contains the circuitry needed to program and verify the EEPROM of the LTC®3883 and LTC3883-1. That is its only purpose. The DC1890A is shipped with a LTC3883 installed in the clamshell style programming socket. The EEPROM contains the factory default configuration. The LTpowerPlay™ .proj ...

Demo Board 

 

DC2234A - LT8711 Micropower Synchronous Sepic Converter

Oct 2nd 2017
Demonstration circuit 2234A is a synchronous sepic converter featuring the LT®8711 multitopology switching controller. The LT8711 is a current mode PWM DC/DC controller with a dual input LDO to optimize gate driver efficiency. Ultralow 15μA quiescent current in low noise Burst Mode® operation achieves high efficiency ...

Demo Board 

 

42V Multitopology DC/DC Controller with 15μA IQ Provides Five Converter Topologies at Up to 10A Output Current

Sep 11th 2017
MILPITAS, CA and NORWOOD, MA – September 11, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LT8711, a multitopology current mode PWM controller that can easily be configured as a synchronous buck, boost, SEPIC and ZETA DC/DC converter, or as a nonsynchronous buck-boost ...

Press Release 

 

DC2641A - LTC7801EUFD Demo Board | Sync Buck Controller, 16V ≤ VIN ≤ 100V, VOUT = 12V @ 10A

Jul 5th 2017
Demonstration circuit 2641A is a single output synchronous buck converter featuring the LTC7801EUFD in the 24-lead QFN package. The input voltage range is from 16V to 100V and the output is 12V/10A. The DC2641A is configured with a sense resistor for overcurrent protection. Inductor DCR current sensing is optional.   ...

Demo Board 

 

150V Synchronous Step-Down DC/DC Controller Eliminates External Surge Protection Devices

Jun 8th 2017
MILPITAS, CA and NORWOOD, MA – June 8, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC7801, a high voltage nonisolated synchronous step-down switching regulator controller in compact 24-lead packages that drives an all N-channel MOSFET power stage. Its 4V to 140V ...

Press Release 

 

60V Low IQ Synchronous Step-Down Controller Operates at Up to 2.25MHz for High Power Density

May 31st 2017
MILPITAS, CA and NORWOOD, MA – May 31, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC7800, a synchronous step-down DC/DC controller that operates at up to 2.25MHz for reduced circuit size and increased power density. Its low 45ns minimum on-time enables 24VIN ...

Press Release 

 

100V, Bidirectional Multiphase Synchronous Buck or Boost Controller

Ding Li - Senior Power Applications Engineer, Power Products Mar 31st 2017
Current 12V automotive systems are reaching their 3kW power limit due to the ever-increasing demand for more electrical devices. A newly proposed standard, LV148, combines a secondary 48V bus with the existing 12V system. Benefits of this technology include increased available energy that allows for more electrical circuits ...

Video 

 

60V Low IQ, Dual Output Synchronous Step-Down Controller with Adjustable Gate Drive

Victor Khasiev - Applications Engineer Mar 31st 2017
Design Note 562: Introduction The LTC®3892 is a dual output synchronous buck controller featuring a wide input voltage range of 4.5V to 60V and an output voltage of 0.8V to 99% of VIN. The combination of the LTC3892’s built-in FET drivers and external FETs yield high efficiency and high power capability, up to 97% ...

Blog Post 

 

DC2111A-B - LTC3774EUHE Demo Board | Sync Buck Controller, 4-Phase (LTC3774 x2), 10V ≤ VIN ≤ 14V, Vout = 1.2V @ 120A

Feb 22nd 2017
Demonstration circuit DC2111A-B features the LTC®3774 in a 4-phase, high output current step-down converter with sub-mΩ DCR sensing. This high performance, high efficiency converter provides 1.2V @ 120A and operates at a switching frequency of 400kHz over an input voltage range of 10V to 14V. The 5mm × 5mm DrMOS ...

Demo Board 

 

DC2111A-A - LTC3774EUHE Demo Board | Sync Buck Controller, 4-Phase (LTC3774 x2), 10V ≤ VIN ≤ 14V, Vout = 1.2V @ 90A

Feb 13th 2017
Demonstration circuit DC2111A-A features the LTC®3774 in a 4-phase, high output current step-down converter with sub-mΩ DCR sensing. This high performance converter provides 1.2V @ 90A with N+1 MOSFET failure protection and operates at a switching frequency of 400kHz over an input voltage range of 10V to 14V. The 5mm ...

Demo Board 

 

DC2434A - LTC3864 Demo Board | Buck Controller, 12V ≤ VIN ≤ 60V, Vout = 12V @ 5A

Feb 13th 2017
Demonstration circuit 2434A is a high voltage, current mode DC/DC step-down converter featuring the LTC®3864. The board operates from an input range of 6V to 60V and provides a 12V, 5A output when the input exceeds 12V. The PMOSFET architecture allows it to operate seamlessly up to 100% duty cycle and function as a saturated ...

Demo Board LTspice 

 

DC2493A - LTC3892EUH-2 Demo Board | 2-Phase Sync Buck Controller, 16V ≤ VIN ≤ 55V; VOUT = 12V @ 30A

Jan 3rd 2017
Demonstration circuit 2493A is a high output voltage capable, high efficiency synchronous PolyPhase® buck converter featuring the LTC®3892EUH-2. The DC2493A has a wide input voltage range from 16V to 55V, and is capable of delivering up to 30A of output current. The output voltage of the DC2493A is set to 12V, however, ...

Demo Board 

 

DC2454A - LTC3887EUJ-1/LTC3870EUF-1 Demo Board | Dual Phase PMBus Buck Controller with Slave Controller, 7V ≤ VIN ≤ 14V, 0.8V ≤ VOUT ≤ 1.8V @ 100A

Dec 19th 2016
Demonstration circuit 2454A is a high current, high efficiency, poly-phase synchronous buck converter featuring the LTC®3887EUJ-1, a dual-phase current mode controller, and the LTC3870EUF-1, a dual-phase slave controller. The LTC3887-1 has the PMBus interface and the power system management functions. ...

Demo Board 

 

Switch Mode Power Supply Current Sensing - Part 3: Current Sensing Methods

Henry Zhang - Applications Engineering Manager
Kevin B. Scott - Senior Strategic Marketing Engineer
Nov 22nd 2016
The three commonly employed current sensing methods for switch mode power supplies are: are using a sense resistor, using the MOSFET RDS(ON) and using the DC resistance (DCR) of the inductor. Each method offers advantages and disadvantages that should be considered when selecting one method over another.  Sense Resistor ...

Blog Post LTpowerCAD LTspice 

 

Switch Mode Power Supply Current Sensing - Part 1: The Basics

Henry Zhang - Applications Engineering Manager
Mike Shriver - Senior Applications Engineer
Kevin B. Scott - Senior Strategic Marketing Engineer
Nov 20th 2016
Current mode control is widely used for switching mode power supplies due to its high reliability, simple loop compensation design, and simple and reliable load sharing capability. The current sense signal is an essential part of a current mode switch mode power supply design; it is used to regulate the output and also provides ...

Blog Post 

 

LTC3871 Bidirectional PolyPhase® Synchronous Buck or Boost Controller - Video Product Brief

Bruce Haug - Product Marketing Engineer Oct 6th 2016
The LTC®3871 is a high performance bidirectional buck or boost switching regulator controller that operates in either buck or boost mode on demand. It regulates in buck mode from VHIGH-to-VLOW and boost mode from VLOW-to-VHIGH depending on a control signal, making it ideal for 48V/12V automotive dual battery systems. An ...

Video 

 

48V/12V Automotive Bidirectional Synchronous Buck or Boost DC/DC Controller Increases Available Power

Sep 20th 2016
MILPITAS, CA – September 20, 2016 – Linear Technology Corporation announces the LTC3871, a 100V/30V bidirectional two phase synchronous buck or boost controller, ideal for 48V/12V automotive dual battery systems. Current 12V automotive systems are reaching their 3kW power limit due to the ever-increasing demand for ...

Press Release 

 

LT3741 20A LED Driver

Sep 6th 2016
The LT®3741 and LT3741-1 are fixed frequency synchronous step-down DC/DC controllers designed to accurately regulate the output current at up to 20A. The average currentmode controller will maintain inductor current regulation over a wide output voltage range of 0V to (VIN – 2V). The regulated current is set by an ...

Circuit 

 

LT3763 20A, Pulse Width Modulated, Single LED Driver

Sep 2nd 2016
The LT3763 is a fixed frequency, synchronous, step-down DC/DC controller designed to accurately regulate output currents up to 20A. The average current mode control- ler will maintain inductor current regulation over a wide output voltage range from 0V to 55V. Output current is set by analog voltages on the CTRL pins and an ...

Circuit 

 

LT3763 1A, Five LED Driver

Sep 2nd 2016
The LT3763 is a fixed frequency, synchronous, step-down DC/DC controller designed to accurately regulate output currents up to 20A. The average current mode control- ler will maintain inductor current regulation over a wide output voltage range from 0V to 55V. Output current is set by analog voltages on the CTRL pins and an ...

Circuit 

 

LT3763 350W White LED Driver

Sep 2nd 2016
The LT3763 is a fixed frequency, synchronous, step-down DC/DC controller designed to accurately regulate output currents up to 20A. The average current mode control- ler will maintain inductor current regulation over a wide output voltage range from 0V to 55V. Output current is set by analog voltages on the CTRL pins and an ...

Circuit 

 

DC2298A - LTC3884 Demo Board I Programming Clamshell Socketed Demo Board

Aug 30th 2016
Demonstration circuit 2298A contains the circuitry needed to program and verify the EEPROM of the LTC3884 in the UK package and that is its only purpose. The DC2298A is shipped with a LTC3884 installed in the clamshell style programming socket and its EEPROM contains the factory default configuration. The LTpowerPlay® #.proj ...

Demo Board 

 

DC2084A - LTC3884EUK/LTC3874EUFD Demo Board | PolyPhase Digital PSM Buck with Sub-mΩ DCR Sensing Plus Two Slave Controllers, 10V ≤ VIN ≤ 14V, Vout = 0.5V to 1.5V @ 240A

Aug 25th 2016
Demonstration circuit 2084A is a high efficiency, high density, single-output step-down solution featuring the LTC3884 and two LTC3874's. The LTC3884 is a dual output PolyPhase® step-down controller with ultralow DCR sensing and digital power system management. The LTC3874 is a PolyPhase step-down synchronous slave ...

Demo Board LTpowerCAD 

 

DC2117A - LTC3895EFE Demo Board | Sync Buck, 14V ≤ VIN ≤ 130V, 150V pk; VOUT = 12V @ 5A

Jun 23rd 2016
Demonstration circuit 2117A is a single output high voltage nonisolated synchronous step-down converter that drives all N-channel MOSFET power stage. It features the LTC3895EFE, a high voltage step-down DC/DC controller housed in a TSSOP-38 package with several pins removed for high voltage spacing. ...

Demo Board LTspice 

 

DC2155A-B - LTC3886UKG/LTC3870UFD Demo Board (RSENSE) | 4 Phase Single Output PMBus Buck 18V≤VIN ≤54V, VOUT=12V at 48A, 150kHz

Jun 3rd 2016
Demonstration circuit 2155A is available in two configurations. The DC2155A-A is a dual output synchronous step-down converter featuring the LTC®3886IUKG, a dual-phase current mode controller. The DC2155A-B is a single output synchronous step-down converter that operates with four phases: two from the LTC3886IUKG and two ...

Demo Board LTpowerPlay 

 

150V Synchronous Step-Down DC/DC Controller Eliminates External Surge Protection Devices

May 23rd 2016
MILPITAS, CA - May 23, 2016 - Linear Technology Corporation announces the LTC3895, a high voltage non-isolated synchronous step-down switching regulator controller that drives an all N-channel MOSFET power stage. Its 4V to 140V (150V abs max) input voltage range is designed to operate from a high input voltage source or from ...

Press Release 

 

LTC3895 150VIN, Synchronous Step-Down Controller with 40μA Iq - Video Product Brief

Bruce Haug - Product Marketing Engineer May 16th 2016
The LTC®3895 is a high performance step-down switching regulator DC/DC controller that drives an all N-channel synchronous power MOSFET stage that can operate from input voltages up to 140V (150V abs max). A constant frequency current mode architecture allows a phase-lockable frequency of up to 850kHz. The gate drive ...

Video 

 

DC2435A-C - LTC7813EUH Demo Board | Sync Boost + Sync Buck, 4V ≤ VIN ≤ 56V; Dual Output, VBoost = 24V @ 3A, Vbuck = 5V @ 8A

May 13th 2016
Demonstration circuit DC2435A is a step-up/down supply featuring the LTC®7813EUH. The LTC7813 is a high performance dual output (buck and boost) synchronous DC/DC switching regulator controller. The board has three different configurations: DC2435A-A: Regulated output voltage of 24 Volt DC2435A-B: Narrowed output voltage ...

Demo Board 

 

DC2435A-B - LTC7813EUH Demo Board | Sync Boost + Sync Buck, 4V ≤ VIN ≤ 56V; VOUT1 (Quasi Regulated) = 19V-28.6V @ 5A

May 13th 2016
Demonstration circuit DC2435A is a step-up/down supply featuring the LTC®7813EUH. The LTC7813 is a high performance dual output (buck and boost) synchronous DC/DC switching regulator controller. The board has three different configurations: DC2435A-A: Regulated output voltage of 24 Volt DC2435A-B: Narrowed output voltage ...

Demo Board 

 

DC2435A-A - LTC7813EUH Demo Board | Sync Boost + Sync Buck, 4V ≤ VIN ≤ 56V; VOUT1 = 24V @ 5A

May 13th 2016
Demonstration circuit DC2435A is a step-up/down supply featuring the LTC®7813EUH. The LTC7813 is a high performance dual output (buck and boost) synchronous DC/DC switching regulator controller. The board has three different configurations: DC2435A-A: Regulated output voltage of 24 Volt DC2435A-B: Narrowed output voltage ...

Demo Board 

 

LTC3895 High Efficiency 140V to 3.3V Step-Down Converter

May 2nd 2016
The LTC®3895 is a high performance step-down switching regulator DC/DC controller that drives an all N-channel synchronous power MOSFET stage that can operate from input voltages up to 140V. A constant frequency current mode architecture allows a phase-lockable frequency of up to 850kHz. ...

Circuit 

 

LTC3895 High Efficiency 140V to 24V Step-Down Converter

May 2nd 2016
The LTC®3895 is a high performance step-down switching regulator DC/DC controller that drives an all N-channel synchronous power MOSFET stage that can operate from input voltages up to 140V. A constant frequency current mode architecture allows a phase-lockable frequency of up to 850kHz. ...

Circuit 

 

LTC3895 High Efficiency 60V to 5V Step-Down Converter with Surge Protection to 140V

May 2nd 2016
The LTC®3895 is a high performance step-down switching regulator DC/DC controller that drives an all N-channel synchronous power MOSFET stage that can operate from input voltages up to 140V. A constant frequency current mode architecture allows a phase-lockable frequency of up to 850kHz. ...

Circuit 

 

LTC3895 High Efficiency 140V to 12V Step-Down Converter

May 2nd 2016
The LTC®3895 is a high performance step-down switching regulator DC/DC controller that drives an all N-channel synchronous power MOSFET stage that can operate from input voltages up to 140V. A constant frequency current mode architecture allows a phase-lockable frequency of up to 850kHz. ...

Circuit 

 

DC2283A - LTC3884EUK Demo Board | LTC3884(x2) 4-Phase PMBus Buck, 7V ≤ VIN ≤ 14V; 0.5V ≤ VOUT ≤ 1.5V @ 160A

Apr 27th 2016
Demonstration circuit 2283A is a high efficiency, high density, single-output Buck converter with 7V to 14V input range. The output voltage is adjustable from 0.5V to 1.5V, and can supply up to 160A of load current with a 1V output. The demo board offers the option to be configured as a dual-output converter, contact factory ...

Demo Board 

 

NXP (Freescale) QorIQ LS1088A-RDB

Apr 25th 2016
The QorIQ LS1088A reference design board (LS1088A-RDB) is designed to exercise most capabilities of the LS1088A device; with up to eight ARM® Cortex®-A53 cores with the advanced, high-performance data-path and network peripheral interfaces required for wireless access points, networking infrastructure, ...

Circuit LTpowerPlanner 

 

DC2291A - LTC3882EUJ Demo Board │LTC3882 (x2) 4-Phase PMBus Buck , 7V ≤ VIN ≤ 14V; 0.5V ≤ VOUT ≤ 2V @ 140A

Apr 25th 2016
Demonstration circuit 2291A is a high current, high efficiency, PolyPhase® synchronous buck converter featuring the LTC®3882EUJ, a dual output voltage mode controller. This demo board incorporates two LTC3882 controllers which provide four phases to deliver up to 140A. The default output voltage is 1V and can be adjusted ...

Demo Board 

 

DC2277A - LTC3886 UKG Package Clamshell Programming Demo Board

Apr 1st 2016
Demonstration circuit 2277A contains the circuitry needed to program and verify the EEPROM of the LTC®3886 in the UKG package and that is its only purpose. The DC2277A is shipped with a LTC3886 installed in the clamshell style programming socket and its EEPROM contains the factory default configuration. The LTpowerPlay™ ...

Demo Board 

 

DC2225A - LTC3875EUJ Demo Board | 4-Phase Sync Buck Solution, LTC3875 (x2), 4.5V ≤ VIN ≤ 14V; Vout = 1V @ 160A

Apr 1st 2016
Demonstration circuit 2225A is a high efficiency, high density, 4-phase synchronous buck converter with a 4.5V to 14V input voltage range. It can supply up to 160A of load current with a 1.0V output. This demo board has two each LTC®3875EUJ feature-rich dual phase current mode synchronous buck controllers with very low DCR ...

Demo Board 

 

60V Low IQ Dual Output Boost + Buck Synchronous DC/DC Controller Maintains Voltage Regulation in Automotive Systems

Mar 30th 2016
MILPITAS, CA - March 30, 2016 - Linear Technology Corporation introduces the LTC7813, a dual output (boost + buck), low quiescent current synchronous DC/DC controller. When cascaded, its independent step-up (boost) and step-down (buck) controllers regulate the output voltage from an input voltage that can be above, below, or ...

Press Release 

 

DC2380A-C - LTC7851EUHH Demo Board | Single Output, 4-Phase Voltage Mode Buck Controller, 7V ≤ VIN ≤ 14V; Vout1 = 1.2V @ 120A

Mar 29th 2016
Demonstration circuit DC2380A features the LTC®7851, a high performance 4-phase step-down, voltage mode controller. The DC2380A-C operates with a 7V to 14V input supply voltage and provides a single 1.2V@120A output. The LTC7851’s integrated current share circuit provides highly accurate current sharing. ...

Demo Board 

 

DC2380A-B - LTC7851EUHH Demo Board | Dual Output, 4-Phase Voltage Mode Buck Controller, 7V ≤ VIN ≤ 14V; Vout1 = 1.8V @ 60A, Vout3 = 1.2V @ 60A

Mar 29th 2016
Demonstration circuit DC2380A features the LTC®7851, a high performance 4-phase step-down, voltage mode controller. The DC2380A-B operates with a 7V to 14V input supply voltage and provides the follow two high current outputs: 1.8V@60A and 1.2V@60A. The LTC7851’s integrated current share circuit provides ...

Demo Board 

 

DC2380A-A - LTC7851EUHH Demo Board | 4-Phase Voltage Mode Buck Controller, 7V ≤ VIN ≤ 14V; Vout1 = 1.8V @ 30A, Vout2 = 1.5V @ 30A, Vout3 = 1.2V @ 30A, Vout4 = 1V @ 30A

Mar 29th 2016
Demonstration circuit DC2380A features the LTC®7851, a high performance 4-phase step-down, voltage mode controller. The DC2380A-A operates with a 7V to 14V input supply voltage and provides the follow four high current outputs: 1.8V@30A, 1.5V@30A, 1.2V@30A and 1.0V@30A. Since the LTC7851 does not include MOSFET drivers, ...

Demo Board 

 

LTC7851/-1 Quad Output, Step-Down Voltage Mode DC/DC Controller with Accurate Current Sharing - Video Product Brief

Bruce Haug - Product Marketing Engineer Mar 17th 2016
 The LTC®7851/LTC7851-1 are quad output multiphase synchronous step-down switching regulator controllers that employ a constant frequency voltage mode architecture. They maintain excellent current balance between channels when paralleled with their internal current sharing loop. Lossless DCR or a low value RSENSEis ...

Video 

 

LTC7813 Wide Input Range to 12V/8A Low IQ Cascaded Boost+Buck Regulator (VMID = 14V)

Mar 16th 2016
The LTC®7813 is a high performance synchronous Boost+Buck DC/DC switching regulator controller that drives all N-channel power MOSFET stages. It contains independent step-up (boost) and step-down (buck) controllers that can regulate two separate outputs or be cascaded to regulate an output voltage from an input voltage that ...

Circuit 

 

LTC7813 Wide Input Range to 5V/8A Low IQ Cascaded Boost+Buck Regulator (VMID Boosted to 10V)

Mar 16th 2016
The LTC®7813 is a high performance synchronous Boost+Buck DC/DC switching regulator controller that drives all N-channel power MOSFET stages. It contains independent step-up (boost) and step-down (buck) controllers that can regulate two separate outputs or be cascaded to regulate an output voltage from an input voltage that ...

Circuit 

 

LTC7813 Wide Input Range to 24V/5A Low IQ Cascaded Boost + Buck Regulator (VMID = 28V)

Mar 16th 2016
The LTC®7813 is a high performance synchronous Boost+Buck DC/DC switching regulator controller that drives all N-channel power MOSFET stages. It contains independent step-up (boost) and step-down (buck) controllers that can regulate two separate outputs or be cascaded to regulate an output voltage from an input voltage that ...

Circuit 

 

LTC7813 Low EMI, Wide Input Range Pass-Through Cascaded Boost+Buck Regulator

Mar 16th 2016
The LTC®7813 is a high performance synchronous Boost+Buck DC/DC switching regulator controller that drives all N-channel power MOSFET stages. It contains independent step-up (boost) and step-down (buck) controllers that can regulate two separate outputs or be cascaded to regulate an output voltage from an input voltage that ...

Circuit 

 

DC2422A-C - LTC7812EUH Demo Board | Sync Boost + Sync Buck, 4V ≤ VIN ≤ 36V; VBoost = 12V, Vbuck = 12V to 5V @ 8A

Mar 11th 2016
Demonstration circuit DC2422A is a step-up + step-down DC/DC converter featuring the LTC®7812EUH, a high performance dual output (Boost + Buck) synchronous DC/ DC switching regulator controller. This board has a 4V to 36V input voltage range and three different output configurations. DC2422A-A generates a regulated 12V @ ...

Demo Board 

 

DC2422A-B - LTC7812EUH Demo Board | Sync Boost + Sync Buck, 4V ≤ VIN ≤ 36V; VOUT1 (Quasi Regulated) = 10V-16V @ 6-8A

Mar 11th 2016
Demonstration circuit DC2422A is a step-up + step-down DC/DC converter featuring the LTC®7812EUH, a high performance dual output (Boost + Buck) synchronous DC/ DC switching regulator controller. This board has a 4V to 36V input voltage range and three different output configurations. DC2422A-A generates a regulated 12V @ ...

Demo Board 

 

DC2422A-A - LTC7812EUH Demo Board | Sync Buck + Sync Boost, 4V ≤ VIN ≤ 36V; VOUT = 12V @ 8A

Mar 11th 2016
Demonstration circuit DC2422A is a step-up + step-down DC/DC converter featuring the LTC®7812EUH, a high performance dual output (Boost + Buck) synchronous DC/ DC switching regulator controller. This board has a 4V to 36V input voltage range and three different output configurations. DC2422A-A generates a regulated 12V @ ...

Demo Board LTpowerCAD 

 

LTC3892/-1 Dual, 60VIN Micropower Synchronous Buck Controller - Video Product Brief

Bruce Haug - Product Marketing Engineer Mar 3rd 2016
The LTC®3892/LTC3892-1/LTC3892-2 is a high performance dual step-down DC/DC switching regulator controller that drives all N-channel synchronous power MOSFET stages. Power loss and noise are minimized by operating the two controller output stages out-of-phase. The gate drive voltage can be programmed from 5V to 10V to allow ...

Video 

 

DC1778B-A - LTC3883EUH Demo Board | 6.5V < VIN < 24V; 0.5V < VOUT < 5V @ 20A, with RSENSE Current Sense

Mar 1st 2016
Demonstration circuit 1778B-A is a single-output, synchronous buck converter featuring the LTC3883EUH, a single-output current mode controller with digital power management and input current sense capability. It senses output inductor current across a sense resistor. ...

Demo Board Linduino LTpowerPlay LTspice 

 

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 applications. ...

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 

 

DC2155A-A - LTC3886UKG Demo Board (RSENSE) Dual Phase Dual Output PMBus Buck 18V≤VIN≤54V, VOUT0/VOUT1=5V to 12V at 12A per channel, 150kHz

Feb 12th 2016
Demonstration circuit 2155A is available in two configurations. The DC2155A-A is a dual output synchronous step-down converter featuring the LTC®3886IUKG, a dual-phase current mode controller. The DC2155A-B is a single output synchronous step-down converter that operates with four phases: two from the LTC3886IUKG and two ...

Demo Board LTpowerPlay LTspice 

 

DC2312A-B - LTC3882EUJ-1 Demo Board | Voltage Mode PMBus Buck, 7V ≤ VIN ≤ 14V; 0.5V ≤ VOUT ≤ 2V @ Up to 70A

Feb 8th 2016
Demonstration circuit 2312A is a high current, high efficiency, dual phase synchronous buck converter featuring the LTC3882EUJ-1, a dual output voltage mode controller with the additional features of differential VOUT sense and dedicated PGOOD output on both channels, compared to LTC3882. The LTC3882-1 has the PMBus interface ...

Demo Board 

 

DC2312A-A - LTC3882EUJ-1 Demo Board | Dual Voltage Mode PMBus Buck, 7V ≤ VIN ≤ 14V; VOUT0/VOUT1 = 0.5V to 2V @ Up to 35A

Feb 8th 2016
Demonstration circuit 2312A is a high current, high efficiency, dual phase synchronous buck converter featuring the LTC3882EUJ-1, a dual output voltage mode controller with the additional features of differential VOUT sense and dedicated PGOOD output on both channels, compared to LTC3882. The LTC3882-1 has the PMBus interface ...

Demo Board 

 

Quad Output Multiphase Step-Down DC/DC Controller Operates with DrMOS or Power Blocks to Deliver Up to 260A

Feb 8th 2016
MILPITAS, CA - February 8, 2016 - Linear Technology Corporation introduces the LTC7851/-1, a quad output multiphase synchronous step-down DC/DC controller with accurate current sharing between phases and differential output voltage sensing. This controller works in conjunction with external power train devices such as DrMOS ...

Press Release 

 

LTC7851 Quad-Output Converter: 4 Single Phase Outputs with DrMOS Using the LTC7851, fSW = 400kHz

Feb 5th 2016
The LTC®7851/LTC7851-1 are quad output multiphase synchronous step-down switching regulator controllers that employ a constant frequency voltage mode architecture. They maintain excellent current balance between channels when paralleled with their internal current sharing loop. Lossless DCR or a low value RSENSE is used ...

Circuit 

 

LTC7851 4-Phase 1.2V/140A Converter with Discrete Gate Drivers and MOSFETs

Feb 5th 2016
The LTC®7851/LTC7851-1 are quad output multiphase synchronous step-down switching regulator controllers that employ a constant frequency voltage mode architecture. They maintain excellent current balance between channels when paralleled with their internal current sharing loop. Lossless DCR or a low value RSENSE is used ...

Circuit 

 

LTC7851 Dual-Output Converter: 1.0V/60A and 1.2V/60A with DrMOS

Feb 5th 2016
The LTC®7851/LTC7851-1 are quad output multiphase synchronous step-down switching regulator controllers that employ a constant frequency voltage mode architecture. They maintain excellent current balance between channels when paralleled with their internal current sharing loop. Lossless DCR or a low value RSENSE is used ...

Circuit 

 

LTC3884 High Efficiency, Dual-Output 1.5V/30A and 1.0V/30A, Buck Converter

Feb 5th 2016
The LTC®3884 is a dual output PolyPhase DC/DC synchronous step-down switching regulator controller with an I2C-based PMBus compliant serial interface. The controller employs a constant-frequency current mode architecture, together with a unique scheme to provide excellent performance for sub-milliohm DCR applications. The ...

Circuit 

 

LTC3884 4 Phase, High Efficiency, Single-Output, 1.0V/160A Buck Converter

Feb 5th 2016
The LTC®3884 is a dual output PolyPhase DC/DC synchronous step-down switching regulator controller with an I2C-based PMBus compliant serial interface. The controller employs a constant-frequency current mode architecture, together with a unique scheme to provide excellent performance for sub-milliohm DCR applications. The ...

Circuit 

 

LTC3884 High Efficiency, Dual-Output, 2.5V/30A and 3.3V/30A Buck Converter

Feb 5th 2016
The LTC®3884 is a dual output PolyPhase DC/DC synchronous step-down switching regulator controller with an I2C-based PMBus compliant serial interface. The controller employs a constant-frequency current mode architecture, together with a unique scheme to provide excellent performance for sub-milliohm DCR applications. The ...

Circuit 

 

LTC3884 High Efficiency, Single-Output, 5V/60A Buck Converter

Feb 5th 2016
The LTC®3884 is a dual output PolyPhase DC/DC synchronous step-down switching regulator controller with an I2C-based PMBus compliant serial interface. The controller employs a constant-frequency current mode architecture, together with a unique scheme to provide excellent performance for sub-milliohm DCR applications. The ...

Circuit 

 

LTC3884 High Efficiency, Single-Output 1.0/80A Buck Converter with Power Blocks

Feb 5th 2016
The LTC®3884 is a dual output PolyPhase DC/DC synchronous step-down switching regulator controller with an I2C-based PMBus compliant serial interface. The controller employs a constant-frequency current mode architecture, together with a unique scheme to provide excellent performance for sub-milliohm DCR applications. The ...

Circuit 

 

LTC3884 High Efficiency, Single-Output, 1.2V/60A Buck Converter

Feb 5th 2016
The LTC®3884 is a dual output PolyPhase DC/DC synchronous step-down switching regulator controller with an I2C-based PMBus compliant serial interface. The controller employs a constant-frequency current mode architecture, together with a unique scheme to provide excellent performance for sub-milliohm DCR applications. The ...

Circuit 

 

LTC3863 4.5V to 55V Input, ±5V, 1.8A at 320kHz

Feb 2nd 2016
The LTC®3863 is a robust, inverting DC/DC PMOS controller optimized for automotive and industrial applications. It drives a P-channel power MOSFET to generate a negative output and requires just a single inductor to complete the circuit. Output voltages from –0.4V to –150V are typically achievable with higher ...

Circuit 

 

DC2394A - LTC3887EUJ-1 Demo Board (DCR Sense) | PMBus Buck with DrMOS, 7V ≤ VIN ≤ 14V, Vout0/Vout1 = 0.8V to 1.8V @ 30A

Jan 22nd 2016
Demonstration circuit 2394A is a high current, high efficiency, dual output PolyPhase® synchronous buck converter featuring the LTC®3887EUJ-1, a dual-phase current mode controller. The LTC3887-1 has the PMBus interface and the power system management functions. ...

Demo Board LTpowerPlay 

 

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 

 

LTC3886 High Efficiency 425kHz 4-Phase 5V Step Down Converter

Dec 16th 2015
The LTC®3886 is a dual PolyPhase DC/DC synchronous step-down switching regulator controller with I2C-based PMBus compliant serial interface. This controller employs a constant-frequency, current-mode architecture, with high voltage input and output capability along with programmable loop compensation. The LTC3886 is supported ...

Circuit 

 

LTC3886 High Efficiency 250kHz 3-Phase 2.5V Plus One Phase 5V Step Down Converter with Sense Resistors

Dec 16th 2015
The LTC®3886 is a dual PolyPhase DC/DC synchronous step-down switching regulator controller with I2C-based PMBus compliant serial interface. This controller employs a constant-frequency, current-mode architecture, with high voltage input and output capability along with programmable loop compensation. The LTC3886 is supported ...

Circuit 

 

LTC3886 High Efficiency 150kHz 2-Phase Step Down Controller with Sense Resistors

Dec 16th 2015
The LTC®3886 is a dual PolyPhase DC/DC synchronous step-down switching regulator controller with I2C-based PMBus compliant serial interface. This controller employs a constant-frequency, current-mode architecture, with high voltage input and output capability along with programmable loop compensation. The LTC3886 is supported ...

Circuit 

 

DC2165A - LTC3884EUK Demo Board | Dual PMBus Buck, 4.5V ≤ Vin ≤ 14V, Vout0/Vout1 = 0.5V to 1.8V @ 30A

Dec 4th 2015
LTC3884EUK Demo Board | Dual PMBus Buck, 4.5V ≤ Vin ≤ 14V, Vout0/Vout1 = 0.5V to 1.8V @ 30ADemonstration circuit 2165A is a high efficiency, high density, dual-output buck converter with a 4.5V to 14V input range. The output voltage is adjustable from 0.5V to 5.5V, and each output can supply up to 30A of load current when ...

Demo Board LTpowerPlay 

 

LTC3643 5V Backup System with VIN From 5V to 60V

Nov 4th 2015
The LTC®3643 is a bidirectional synchronous step-up charger and step-down converter which efficiently charges a capacitor array up to 40V from an input supply between 3V to 17V. When the input supply falls below the programmable power-fail threshold, the step-up charger operates in reverse as a synchronous step-down regulator ...

Circuit 

 

38V Dual DC/DC Controller with Current Mode Control, Sub-Milliohm DCR Sensing, I²C/PMBus Interface & Programmable Loop Compensation

Oct 29th 2015
MILPITAS, CA - October 29, 2015 - Linear Technology Corporation announces the LTC3884, a dual output current mode synchronous step-down DC/DC controller with programmable loop compensation and I²C-based PMBus interface. This device enables the use of very low DC resistance (DCR) power inductors (0.3 milliohms) by enhancing the ...

Press Release 

 

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 ...

Circuit 

 

28μA IQ Dual Output, Boost + Buck Synchronous DC/DC Controller Maintains Regulation in Automotive Systems

Oct 21st 2015
MILPITAS, CA - October 21, 2015 - Linear Technology Corporation introduces the LTC7812, a dual output (boost + buck), low quiescent current synchronous DC/DC controller. When cascaded, its independent step-up (boost) and step-down (buck) controllers regulate the output voltage from an input voltage that can be above, below or ...

Press Release 

 

DC2252A-B - LTC3882EUJ-1 Demo Board | Programming Clamshell Socketed Demo Board

Oct 15th 2015
Demonstration circuit 2252A-B is a lab tool to program and verify the EEPROM inside the LTC®3882-1 IC. The DC2252A-B is shipped with a LTC3882-1 placed in the clamshell style programming socket. The EEPROM contains the factory default configuration. The LTpowerPlayTM .proj file that corresponds to the factory default can ...

Demo Board 

 

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