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Solutions Search - Step-Down (Buck) Regulators

Silent Switcher 2: Dual 4A per Channel, 42V Micropower Step-Down Regulator

John Gardner - Design Engineer Oct 16th 2017
As automotive electronic content increases, voltage regulators continually need smaller size, higher current, and lower radiated emissions.  Silent Switcher® 2 products address this need by providing 2MHz solutions with high efficiency without compromising EMI performance. The LT8650S is a dual channel, 42V step-down ...

Video 

 

42V, Dual 4A (IOUT), Synchronous Step-Down Silent Switcher 2 Delivers 94% Efficiency at 2MHz & Ultralow EMI Emissions

Oct 16th 2017
MILPITAS, CA and NORWOOD, MA – October 16, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LT8650S, a dual 4A, 42V input synchronous step-down switching regulator. It’s unique Silent Switcher®2 architecture uses four internal input capacitors as well as ...

Press Release 

 

40VIN, 2A Silent Switcher μModule Regulator in 6.25mm x 4mm BGA Package

Oct 12th 2017
MILPITAS, CA and NORWOOD, MA – October 12, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTM8063, a 40VIN, 2A µModule® step-down regulator in a tiny 6.25mm x 4mm BGA package. The package size is 75% smaller than the existing equivalent product. With two ...

Press Release 

 

25A μModule Regulator Supports N+1 Redundancy Ensuring Power Availability under Fault Conditions

Oct 9th 2017
MILPITAS, CA and NORWOOD, MA – October 9, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTM4645, a 25A step-down µModule® (power module) regulator with the ability to current share multiple independent devices (N) where at least one LTM4645 is used as ...

Press Release 

 

Silent Switcher, 42VIN, 2.5A μModule Regulator in 6.25mm x 6.25mm BGA Package

Oct 2nd 2017
MILPITAS, CA and NORWOOD, MA – October 2, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTM8065, a µModule® (power module) step-down regulator with up to 40V input voltage (42V abs max), which can safely operate from unregulated or fluctuating 12V to 36V ...

Press Release 

 

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 

 

Terasic DE10-Nano Kit

Sep 26th 2017
The Terasic DE10-Nano is a development kit based on an Intel Cyclone V SoC which combines the power of a Cyclone V FPGA with a dual-core ARM Cortex-A9 processor. Analog Devices offers many plug-in boards that let you extend the functionality of the kit. Whether you want to measure real-world phenomena such as toxic gases or ...

Circuit LTpowerPlanner 

 

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 

 

DC2658A - LT8643S Demo Board | VIN = 5.8V to 42V with VOUT = 5V at 6A @ 2MHz

Aug 22nd 2017
Demonstration circuit 2658A is a 42V, 6A synchronous step-down second generation SILENT SWITCHER with spread spectrum frequency modulation featuring the LT®8643S. The demo board is designed for 5V output from a 5.8V to 42V input. The wide input range allows a variety of input sources, such as automotive batteries and industrial ...

Demo Board 

 

DC1669B - LTM4627EV 15A Step‐Down μModule Regulator

Aug 18th 2017
Demonstration circuit 1669 features the LTM®4627EV μModule regulator, a high‐performance high efficiency step‐down regulator. The LTM4627EV has an operating input voltage range of 4.5V to 20V and is able to provide an output current of up to 15A. The output voltage is programmable from 0.6V to 5V and can be remotely ...

Demo Board 

 

105V, 2.3A Low-EMI Synchronous Step-Down Regulator

Charles Hawkes - Design Aug 16th 2017
Today, many electronic systems require power processing at higher voltages, while simultaneously demanding increased efficiency and low EMI/EMC emissions. The LTC7103 meets all of these challenges, with an unprecedented combination versatility and simplicity. The LTC7103 is a 105V, 2.3A, synchronous step-down regulator that ...

Video 

 

Simple Power Backup Supply for a 3.3V Rail

Victor Khasiev - Applications Engineer Aug 8th 2017
Design Note DN565: Introduction Data loss is a concern in telecom, industrial and automotive applications where embedded systems require a dependable supply of power. Sudden power interruptions can corrupt data during read and write operations performed by hard drives and flash memory. Designers often use batteries, capacitors ...

Blog Post 

 

DC2411A - LTC7150SEY Demo Board | High Efficiency 20A Synchronous Buck Regulator

Aug 1st 2017
Demonstration circuit 2411A is a high efficiency synchronous buck regulator with a 3.1V to 20V input range. It can supply 20A maximum load current at 1.2V output. The demo board features the LTC®7150S regulator. No external MOSFETs nor external current sense resistor are required. It uses a phase-lockable controlled on-time ...

Demo Board 

 

20V, 20A Monolithic Synchronous Silent Switcher®2 Buck Regulator Reduces EMI & Enables High Power Density Applications

Jul 24th 2017
MILPITAS, CA and NORWOOD, MA – July 24, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC7150S, a 20V, 20A monolithic synchronous buck converter with differential VOUT remote sensing. The device’s unique phase lockable controlled on-time constant frequency ...

Press Release 

 

105V, 2.3A Synchronous Step-Down Regulator Delivers 96% Efficiency with Ultralow EMI/EMC Emissions

Jul 17th 2017
MILPITAS, CA and NORWOOD, MA – July 17, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC7103, a 2.3A, 105V input capable synchronous step-down switching regulator. Its wide 4.4V to 105V input voltage range is designed for operation from a continuously high voltage ...

Press Release 

 

DC2317A - LTC7103 Demo Board | VIN = 5V to 100V with VOUT = 5V at 2.3A @400kHz

Jul 13th 2017
Demonstration circuit 2317A is a 100V monolithic DC/ DC step-down regulator featuring the LTC®7103. The demo board is designed for a 5V/2.3A output from a 5V to 100V input at 400kHz switching frequency. The wide input range makes it suitable for automotive, industrial, medical instrument, and telecom applications. This buck ...

Demo Board 

 

DC2335A - LTC3636EUFD Demo Board | 3.1V to 20V Input with Vout1 range of 3.1V to 20V up to 6A & Vout2 range of 5V to 20V up to 6A

Jul 13th 2017
Demonstration circuit DC2335A is a dual output regulator consisting of two constant-frequency step-down converters, based on the LTC®3636 monolithic dual channel synchronous buck regulator. The DC2335A has an input voltage range of 3.1V to 20V, with each regulator capable of delivering up to 6A of output current. The DC2335A ...

Demo Board 

 

DC2329A - LTC7124 Demo Board | 17VIN, Dual 3.5A Synchronous Step-Down Regulator with Ultra-Low Quiescent Current

Jul 12th 2017
Demonstration circuit DC2329A features the LTC®7124IUDD: a wide input and output voltage range, high efficiency and power density, dual 3.5A DC/DC stepdown monolithic regulator. The input voltage range of the DC2329A is 3.1V to 17V. The default setting of VOUT1 is user selectable from 1.2V, 1.5V and 1.8V at 3.5A max. The ...

Demo Board 

 

High Efficiency Solar MPPT Battery Charger Using LT8611 and AD5245

Perry Faubert - FAE Jul 10th 2017
Introduction Outdoor applications that use solar panels in the range of a few watts often use a microcontroller-based MPPT (Maximum Power Point Tracking)  function to extract the maximum power available over the full range of environmental operating conditions. Many microcontroller-based MPPT solutions designed for ...

Blog Post LTspice 

 

DC2603A-B - LTM4650AEY-1 Demo Board | Dual 25A or Single 50A DC/DC μModule Regulator with 1% DC Accuracy

Jul 5th 2017
Demonstration circuit 2603A-B features the LTM®4650AEY-1, the high efficiency, high density, dual 25A, single 50A switch mode step-down power module regulator. The input voltage is from 4.5V to 16V. The output voltage is programmable from 0.6V to 5.5V. DC2603A-B can deliver 25A maximum current from each channel. The board ...

Demo Board 

 

DC2603A-A - LTM4650AEY Demo Board | Dual 25A or Single 50A DC/DC μModule Regulator

Jul 5th 2017
Demonstration circuit 2603A-A features the LTM®4650AEY-1, the high efficiency, high density, dual 25A, single 50A switch mode step-down power module regulator. The input voltage is from 4.5V to 16V. The output voltage is programmable from 0.6V to 5.5V. DC2603A-A can deliver 25A maximum current from each channel. The board ...

Demo Board 

 

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 

 

42V, 2A/3A Peak (IOUT), Synchronous Step-Down Silent Switcher® 2 Delivers 93% Efficiency at 2MHz & Ultralow EMI/EMC Emissions

Jun 29th 2017
MILPITAS, CA and NORWOOD, MA – June 29, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LT8609S, a 2A (3A Peak), 42V input synchronous step-down switching regulator. Its unique Silent Switcher® 2 architecture uses two internal input capacitors as well as internal ...

Press Release 

 

17V, 4MHz, Dual 3.5A Synchronous Buck with Spread Spectrum Modulation Reduces EMI in a Compact 3mm x 5mm QFN

Jun 27th 2017
MILPITAS, CA and NORWOOD, MA – June 27, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC7124, a high efficiency, 4MHz synchronous dual output buck regulator that incorporates a constant frequency, peak current mode architecture. Optional spread spectrum frequency ...

Press Release 

 

20V, 4MHz, Synchronous Dual 6A Step-Down Regulator in a Compact 4mm x 5mm QFN

Jun 26th 2017
MILPITAS, CA and NORWOOD, MA – June 26, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC3636 and LTC3636-1 are high efficiency, 4MHz synchronous dual output buck regulators that incorporate a unique constant frequency/controlled on-time, current mode control scheme ...

Press Release 

 

750mA, 42VIN Synchronous Step-Down DC/DC Converter Delivers 93% Efficiency at 2MHz from a 2mm x 2mm DFN Package

Jun 19th 2017
MILPITAS, CA and NORWOOD, MA – June 19, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LT8607, a 750mA, 42V input synchronous step-down switching regulator. A unique synchronous rectification topology delivers 93% efficiency while switching at 2MHz, enabling designers ...

Press Release 

 

DC2568A - LTM4622A Demo Board | Ultrathin Dual Buck μModule; 4V ≤ VIN ≤ 20V, Vout1 = 5V @ 2A, Vout2 = 3.3V @ 2A

Jun 13th 2017
Demonstration circuit 2568A features the LTM4622A μModule® regulator, a tiny low profile high performance high efficiency dual step-down regulator. The LTM4622A has an operating input voltage range of 3.6V to 20V and is able to provide an output current of up to 2A for each channel. Each output’s voltage is programmable ...

Demo Board 

 

350mA Synchronous Step-Down DC/DC Converter Delivers 92% Efficiency at 2MHz & Operates from 3.0V to 42V Inputs

Jun 13th 2017
MILPITAS, CA and NORWOOD, MA – June 13, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LT8606, a 350mA, 42V input synchronous step-down switching regulator. A unique synchronous rectification topology delivers 92% efficiency while switching at 2MHz, enabling designers ...

Press Release 

 

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 

 

Low EMI Power Solutions and Electromagnetic Compatibility (EMC) Standards

Kevin B. Scott - Senior Strategic Marketing Engineer May 30th 2017
Low EMI Solutions and ElectromagneticCompatibility (EMC) Standards Many Linear Technology Power Products are compliant to a specific electromagnetic compatibility standard. The most commonly referenced standards are EN 55022, CISPR 22 Class B, FCC Part 15 Class B, and CISPR 25. When testing a power solution, there ...

Blog Post 

 

DC2522A - LT8609S Demo Board | Silent Switcher 2 Buck, 5.5V ≤ VIN ≤ 42V, VOUT = 5V @ 2A, fSW = 2MH

May 25th 2017
Demonstration circuit 2522A is a 42V, 2A/3A peak micropower synchronous step-down regulator featuring the LT®8609S. The demo board is designed for 5V output from a 5.5V to 42V input. The wide input range allows a variety of input sources, such as automotive batteries and industrial supplies. The LT8609S is a compact, high ...

Demo Board LTspice 

 

DC2565A - LT8607EMSE Demo Board | Sync Buck, 5.5V ≤ VIN ≤ 42V, VOUT= 5V @ 750mA, fSW = 2MHz

May 18th 2017
Demonstration Circuit 2565A is a 42V, 0.75A micropower synchronous step-down regulator featuring the LT®8607. The demo board is designed for 5V output from a 5.5V to 42V input. The wide input range allows a variety of input sources, such as automotive batteries and industrial supplies. The LT8607 is a compact, high efficiency, ...

Demo Board LTspice 

 

DC2564A - LT8606EMSE Demo Board │ Sync Buck, 5.5V ≤ VIN ≤ 42V; VOUT = 5V @ 350mA, fSW = 2MHz

May 18th 2017
Demonstration Circuit 2564A is a 42V, 0.35A micropower synchronous step-down regulator featuring the LT®8606. The demo board is designed for 5V output from a 5.5V to 42V input. The wide input range allows a variety of input sources, such as automotive batteries and industrial supplies. The LT8606 is a compact, high efficiency, ...

Demo Board LTspice 

 

DC2468A - LT8645S Demo Board | Sync Buck Silent Switcher, 5.6V ≤ VIN ≤ 65V, VOUT = 5V @ 8A, fSW=2MHz

May 17th 2017
Demonstration circuit 2468A is a 65V, 8A micropower synchronous step-down second generation Silent Switcher® with spread spectrum frequency modulation featuring the LT8645S. The demo board is designed for 5V output from a 5.6V to 65V input. The wide input range allows a variety of input sources, such as automotive batteries ...

Demo Board 

 

DC2530A - LT8640S Demo Board | Sync Buck Silent Switcher 2, 5.8V ≤ VIN ≤ 42V, VOUT = 5V @ 6A, fSW = 2MHz

May 16th 2017
Demonstration circuit 2530A is a 42V, 6A micropower synchronous step-down second generation Silent Switcher® with spread spectrum frequency modulation featuring the LT8640S. The demo board is designed for 5V output from a 5.8V to 42V input. The wide input range allows a variety of input sources, such as automotive batteries ...

Demo Board 

 

DC2204B - LTM4675 + LTM4676A + LTM4677 + LTM4620A Demo Board | PSM μModule Power Stick

May 5th 2017
Demonstration circuit 2204B is a very compact demo board that showcases five different Linear Technology devices – LTM4675, LTM4676A, LTM4677, LTM4620A and LTC2974. These devices cover various product lines including DC/DC μModule® regulator with digital power system management (LTM4675, LTM4676A and LTM4677), high ...

Demo Board 

 

65V, 8A (IOUT), Synchronous Step-Down Silent Switcher 2 Delivers 94% Efficiency at 2MHz & Ultralow EMI/EMC Emissions

Apr 25th 2017
MILPITAS, CA and NORWOOD, MA – April 25, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LT8645S, an 8A, 65V input capable synchronous step-down switching regulator. Its unique Silent Switcher® 2 architecture uses two internal input capacitors as well as internal ...

Press Release 

 

DC2389A - LTM8073 Demo Board | Silent Switcher Buck μModule; 7V ≤ VIN ≤ 60V, Vout = 5V @ 3A

Apr 24th 2017
Demonstration circuit 2389A is a 60V, 3A step-down μModule® regulator featuring the LTM®8073. The demo board is designed for 5V output from a 7V to 60V input. The wide input range allows a variety of input sources, such as automotive batteries and industrial supplies. The user adjustable features of the LTM8073 such ...

Demo Board 

 

42V, 6A (IOUT), Synchronous Step-Down Silent Switcher 2 Delivers 95% Efficiency at 2MHz & Ultralow EMI/EMC Emissions

Apr 13th 2017
MILPITAS, CA and NORWOOD, MA – April 13, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LT8640S, a 6A, 42V input synchronous step-down switching regulator. Its unique Silent Switcher® 2 architecture uses two internal input capacitors as well as internal BST and ...

Press Release 

 

60V, 3A Silent Switcher μModule Regulator in 6.25mm x 9mm BGA Package is CISPR 22 Class B Compliant

Apr 12th 2017
MILPITAS, CA and NORWOOD, MA – April 12, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTM8073, a µModule® (power module) step-down regulator with up to 60V input voltage range (65V abs max). The device can safely operate from unregulated or fluctuating ...

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 

 

Low Noise Power Supplies Come in Many Flavors: Part 3 - Buck Converters

Kevin B. Scott - Senior Strategic Marketing Engineer
Tim Sourdif - Senior Design Engineer
Mar 23rd 2017
In Part 1 of the series, we looked at linear regulators for lowest output noise performance. In Part 2, charge pump solutions with integrated post linear regulators we highlighted. In these previous examples, circuit efficiency was a lower priority. But what if low output voltage noise and high efficiency are both desired? ...

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 

 

Quad 3A, Ultrathin uModule Regulator Fits on the Backside of PCB

Richard Ying - µModule® Regulator Design Engineer Feb 17th 2017
The LTM4643 is a quad output step-down µModule® (power module) regulator, configurable as a single output (12A), dual (6A & 6A or 9A & 3A), or quad (3A each) regulator in a 9mm x 15mm x 1.82mm ultrathin LGA package. This flexibility enables system designers to rely on one simple and compact µModule regulator ...

Video 

 

DC2230A-B - LTM4636-1 Demo Board | Buck μModule Regulator with OV/Temp Protection, Stacked Inductor; 4.7V ≤ VIN ≤ 15V, Vout = 1V @ 40A

Feb 15th 2017
Demonstration circuit 2230A-B features the LTM®4636-1EY, a 40A high efficiency, switch mode step-down power μModule® regulator with overtemperature and input/output overvoltage protection. The input voltage range is from 4.7V to 15V. For a 4.7V to 5.5V input voltage range, short PVCC pin to the VIN pin with R8 = R21 ...

Demo Board LTspice 

 

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 

 

40A Scalable μModule Regulator Protects Load by Tripping Upstream Power Source

Feb 8th 2017
MILPITAS, CA – February 8, 2017 – Linear Technology Corporation introduces the LTM4636-1, a 40A to 240A scalable step-down µModule switching regulator. The part incorporates protection circuitry that trips a circuit breaker in the event of overvoltage or overtemperature fault conditions to protect itself, the ...

Press Release 

 

High Efficiency, 15V Rail-to-Rail Output Synchronous Step-Down Regulator Can Source or Sink 5A

Tim Kozono - Applications Engineer Jan 23rd 2017
Design Note 560: Introduction The LTC®3623 is a high efficiency, monolithic synchronous step-down regulator capable of sourcing or sinking up to 5A of continuous output current from an input voltage range of 4V to 15V. Its compact 3mm × 5mm QFN package incorporates an abundance of features including a low EMI Silent ...

Blog Post 

 

LT8630 –15V, 300mA Step-Down Converter

Jan 17th 2017
The LT®8630 is a current mode PWM step-down DC/DC converter with internal synchronous switches that provide current for output loads up to 0.6A. The wide input range of 3V to 100V makes the LT8630 suitable for regulating power from a wide variety of sources, including automotive and industrial systems and 36V to 72V telecom ...

Circuit 

 

LT8630 High Efficiency 100Vin, 12Vout Step-Down Converter

Jan 17th 2017
The LT®8630 is a current mode PWM step-down DC/DC converter with internal synchronous switches that provide current for output loads up to 0.6A. The wide input range of 3V to 100V makes the LT8630 suitable for regulating power from a wide variety of sources, including automotive and industrial systems and 36V to 72V telecom ...

Circuit 

 

LT8630 100Vin, 28Vout Step-Down Converter

Jan 17th 2017
The LT®8630 is a current mode PWM step-down DC/DC converter with internal synchronous switches that provide current for output loads up to 0.6A. The wide input range of 3V to 100V makes the LT8630 suitable for regulating power from a wide variety of sources, including automotive and industrial systems and 36V to 72V telecom ...

Circuit 

 

LT8630 6.5V to 100Vin, 5Vout/0.6A Step-Down Converter

Jan 17th 2017
The LT®8630 is a current mode PWM step-down DC/DC converter with internal synchronous switches that provide current for output loads up to 0.6A. The wide input range of 3V to 100V makes the LT8630 suitable for regulating power from a wide variety of sources, including automotive and industrial systems and 36V to 72V telecom ...

Circuit 

 

LTM4647 Typical 6V to 15V Input 1.0V at 30A Output Design

Jan 17th 2017
The LTM®4647 is a complete 30A output switching mode step-down DC/DC μModule® (power module) regulator. Included in the package are the switching controller, power FETs, inductor and all supporting components. Operating over an input voltage range of 4.7V to 15V, the LTM4647 supports an output voltage range of 0.6V ...

Circuit 

 

LTM4647 Typical 4.7V to 5.5V Input 1.2V at 30A Output Design

Jan 17th 2017
The LTM®4647 is a complete 30A output switching mode step-down DC/DC μModule® (power module) regulator. Included in the package are the switching controller, power FETs, inductor and all supporting components. Operating over an input voltage range of 4.7V to 15V, the LTM4647 supports an output voltage range of 0.6V ...

Circuit 

 

LTM4647 6V to 15V Input, 1.0V Output at 60A

Jan 17th 2017
The LTM®4647 is a complete 30A output switching mode step-down DC/DC μModule® (power module) regulator. Included in the package are the switching controller, power FETs, inductor and all supporting components. Operating over an input voltage range of 4.7V to 15V, the LTM4647 supports an output voltage range of 0.6V ...

Circuit 

 

LTM4647 6V to 15V Input, 1.0V and 1.2V Output with Tracking

Jan 17th 2017
The LTM®4647 is a complete 30A output switching mode step-down DC/DC μModule® (power module) regulator. Included in the package are the switching controller, power FETs, inductor and all supporting components. Operating over an input voltage range of 4.7V to 15V, the LTM4647 supports an output voltage range of 0.6V ...

Circuit 

 

LTM4647 3-Phase 1V at 90A Design with Extra 1 Phase 30A Redundancy

Jan 17th 2017
The LTM®4647 is a complete 30A output switching mode step-down DC/DC μModule® (power module) regulator. Included in the package are the switching controller, power FETs, inductor and all supporting components. Operating over an input voltage range of 4.7V to 15V, the LTM4647 supports an output voltage range of 0.6V ...

Circuit 

 

LTM4647 4-Phase 6-15Vin, 1Vout at 120A Step Down uModule Design

Jan 17th 2017
The LTM®4647 is a complete 30A output switching mode step-down DC/DC μModule® (power module) regulator. Included in the package are the switching controller, power FETs, inductor and all supporting components. Operating over an input voltage range of 4.7V to 15V, the LTM4647 supports an output voltage range of 0.6V ...

Circuit 

 

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 

 

DC2230A-A - LTM4636 Demo Board | Buck μModule Regulator, Stacked Inductor, 4.7V ≤ VIN ≤ 15V, Vout = 0.6V to 3.3V @ 40A

Dec 2nd 2016
Demonstration circuit 2230A-A features the LTM®4636EY, a 40A high efficiency, switch mode step-down power μModule® regulator. The input voltage range is from 4.7V to 15V. For input voltage range from 4.7V to 5.5V, short PVCC pin to VIN pin with R8 = R21 = 0Ω and remove R17. The output voltage range is 0.6V to ...

Demo Board LTspice 

 

DC2479A-B - LTM4650EY-1 Demo Board | Dual Phase Buck μModule Regulator, 4.5V ≤ VIN ≤ 15V, Vout = 0.6V to 1.8V @ 50A

Dec 2nd 2016
Demonstration circuit 2479A-B features the LTM®4650EY-1, the high efficiency, high density, dual 25A, single 50A switch mode step-down power module regulator with external compensation. The input voltage is from 4.5V to 15V. The output voltage is programmable from 0.6V to 1.8V. DC2479A-B is configured as dual-phase, single-output, ...

Demo Board LTspice 

 

DC2479A-A - LTM4650EY Demo Board | Dual Phase Buck μModule Regulator, 4.5V ≤ VIN ≤ 15V, Vout = 0.6V to 1.8V @ 50A

Dec 2nd 2016
Demonstration circuit 2479A-A features the LTM®4650EY, the high efficiency, high density, dual 25A, single 50A switch mode step-down power module regulator. The input voltage is from 4.5V to 15V. The output voltage is programmable from 0.6V to 1.8V. DC2479A-A is configured as dual-phase, single-output, which can deliver ...

Demo Board LTspice 

 

DC2131A - LTC3623 Demo Board | Silent Switcher Sync Buck, 4V ≤ VIN ≤ 15V, Vout = 1V/1.5V/2.5V/3.3V/5V @ ±5A

Nov 29th 2016
Demonstration circuit 2131A is a current mode DC/DC step-down Silent Switcher® buck regulator featuring the LTC®3623. The board operates from an input range of 4V to 15V, and provides ±5A of output current. The output voltage of the demonstration board can be set from 0V to VIN – 0.5V. It operates at 1MHz ...

Demo Board 

 

40A μModule Regulator with 3D Stacked-Inductor Packaging Enhances Thermal Conduction for Cooler Operation

Nov 28th 2016
MILPITAS, CA – November 28, 2016 – Linear Technology Corporation introduces the LTM4636, a 40A step-down µModule® switching regulator with 3D construction for quicker heat dissipation and cooler operation in a small package. By stacking its inductor on top of a 16mm x 16mm BGA package, the LTM4636 benefits ...

Press Release 

 

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 ...

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100V, 600mA, Synchronous Step-Down Delivers Over 93% Efficiency

Nov 21st 2016
MILPITAS, CA – November 21, 2016 – Linear Technology Corporation announces the LT8630, a 600mA, 100V input capable synchronous step-down switching regulator. Synchronous rectification delivers efficiency as high as 93% while Burst Mode® operation keeps quiescent current under 7µA in no-load standby conditions. ...

Press Release 

 

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 

 

LTM4647 4 Phase 1V at 120A Design

Nov 17th 2016
The LTM®4647 is a complete 30A output switching mode step-down DC/DC μModule® (power module) regulator. Included in the package are the switching controller, power FETs, inductor and all supporting components. Operating over an input voltage range of 4.7V to 15V, the LTM4647 supports an output voltage range of 0.6V ...

Circuit 

 

30A, Scalable to 180A, μModule Regulator in 9mm x 15mm BGA Package

Nov 16th 2016
MILPITAS, CA – November 16, 2016 – Linear Technology introduces the LTM4647, a 30A step-down µModule (power module) regulator. The LTM4647 includes the inductor, MOSFET, DC/DC controller and supporting components in a 9mm x 15mm x 5.01mm BGA package. The device’s conversion efficiency from 12VIN to 1VOUT ...

Press Release 

 

60V Input Monolithic Converter Powers Critical Circuits without Supercaps or Other Additional Components

Victor Khasiev - Applications Engineer Nov 15th 2016
Design Note DN1040: Introduction The LTC3649 is a monolithic step-down regulator capable of operating from an input voltage range of 3.1V to 60V, and efficiently producing a (single) resistorprogrammable output voltage at up to 4A of output current. These features alone make it a compelling industrial or automotive supply for ...

Blog Post 

 

DC2504A - LT8630 Demo Board | Sync Buck, 13V ≤ VIN ≤ 100V, VOUT = 12V @ 600mA

Nov 14th 2016
Demonstration circuit 2504A is a step-down converter featuring LT8630. The LT8630 is a monolithic, variable frequency, current mode synchronous step-down switching regulator. The demo board is designed for 12V output from a 13V to 100V input. The wide input range makes it suitable for regulating power from a variety of sources, ...

Demo Board LTspice 

 

DC2141A - LTM4647 Demo Board | Buck μModule, 6V ≤ VIN ≤ 15V or 4.7V ≤ VIN ≤ 6V, VOUT = 0.6V to 1.8V @ 30A

Nov 9th 2016
Demonstration circuit 2141A features the LTM®4647EY, a 30A high efficiency, switch mode step-down power μModule regulator. The input voltage range is from 6V to 15V. To use DC2141A for input voltage range from 4.7V to 6V, connect INTVCC to SVIN (change R22 from OPT to 0Ω), DRVCC to VIN (change R21 from 0Ω ...

Demo Board LTspice 

 

12A Ultrathin μModule Regulator Configurable as Quad, Triple, Dual or Single Output Can Be Placed on Backside of PCB

Oct 27th 2016
MILPITAS, CA – October 27, 2016 – Linear Technology Corporation introduces the LTM4643 quad output step-down µModule® (power module) regulator, configurable as a single output (12A), dual (6A & 6A or 9A & 3A), or quad (3A each) regulator in a 9mm x 15mm x 1.82mm ultrathin LGA package. This flexibility ...

Press Release 

 

40A μModule Regulator with, 88% Efficiency, 0% Derating at 85°C, and 40°C Rise

Eddie Beville - Module Design Manager Oct 27th 2016
The LTM4636 is a 40A step-down µModule switching regulator with 3D packaging construction for quicker heat dissipation and cooler operation in a small package. By stacking its inductor on top of a 16mm x 16mm BGA package, the LTM4636 benefits from the exposed inductor as a heat sink permitting direct contact with airflow ...

Video 

 

DC1989B-C - LTM4676A Demo Board | LTM4676A(x4) Current Shared, PMBus Buck uModule, 4.5V ≤ VIN ≤ 17V, Vout = 0.5V to 4V @ 100A

Oct 18th 2016
Demonstration circuit 1989B-C is a high efficiency, high density, μModule regulator with 4.5V to 17V input range. The output voltage is adjustable from 0.5V to 4V, and it can supply 100A maximum load current. The demo board has four LTM®4676A μModule regulators. The LTM4676A is a dual 13A or single 26A step-down regulator ...

Demo Board 

 

Hybrid Wide Dimming Ratio Linear LED Current Controller Using LT8614 & LT3083/LT6015

Tom Mosteller - Field Applications Engineer Oct 17th 2016
Many applications for LED illumination require wide dimming ratios. This can be accomplished simply via an adjustable current source as show below.  The current source can be varied by a number of different means, and a large LED current range can be achieved. The primary problem with this technique is that the power dissipation ...

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