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Solutions Search - Internal Power Switch Buck

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 

 

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 

 

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 

 

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 

 

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 ...

Blog Post Circuit LTspice 

 

Dual Input, 2.5A Synchronous Step-Down DC/DC Converter Delivers 95% Efficiency from 2.4V to 42V Inputs with Lossless PowerPath Control

Oct 4th 2016
MILPITAS, CA – October 4, 2016 – Linear Technology Corporation announces the LTC3126, a 2.5A, 42V synchronous step-down switching regulator with an integrated dual input PowerPath™ control. A unique power stage topology enables operation from either of two independent power sources, with seamless, internally ...

Press Release 

 

LTC3649 High Voltage Monolothic Synchronous Buck Regulator with Output Voltage Control

Victor Khasiev - Applications Engineer
Gabino Alonso - Strategic Marketing Engineer
Sep 26th 2016
In many industrial, computer and monitor application is very important to control output voltage "on the fly", during the system operation. LTC®3649 features simple and reliable way to control output by means of low power signal voltage applied to Iset pin. However, this pin can not be left floating, voltage potential must ...

Circuit LTspice 

 

DC2215A - LTC3126EUFD Demo Board | Dual Input Sync Buck, 4.3V ≤ VIN1 ≤ 42V, 6V ≤ VIN2 ≤ 8.4V (Operational to 42V), VOUT = 3.3V @ 2.5A

Sep 22nd 2016
Demonstration Circuit 2215A, features the LTC®3126, a synchronous buck converter with an integrated lossless input PowerPath™. Pin selectable (JP2) ideal diode-OR and priority input modes, with programmable undervoltage lockout thresholds provide control over the transition between input sources. The unique all N-channel ...

Demo Board 

 

LTC3126 5V, 2MHz Step-Down Converter with Dual Inputs

Sep 16th 2016
The LTC®3126 is a high efficiency synchronous buck converter with an internal no-loss PowerPath™ supporting seamless operation from two separate input power sources. Pin selectable ideal diode-OR and priority input modes with user programmable undervoltage lockout thresholds provide full control over the transition ...

Circuit 

 

LTC3126 12V, 2MHz Step-Down Converter with Dual Inputs

Sep 16th 2016
The LTC®3126 is a high efficiency synchronous buck converter with an internal no-loss PowerPath™ supporting seamless operation from two separate input power sources. Pin selectable ideal diode-OR and priority input modes with user programmable undervoltage lockout thresholds provide full control over the transition ...

Circuit 

 

LTC3126 1.8V, 2MHz Step-Down Converter with Dual Inputs

Sep 16th 2016
The LTC®3126 is a high efficiency synchronous buck converter with an internal no-loss PowerPath™ supporting seamless operation from two separate input power sources. Pin selectable ideal diode-OR and priority input modes with user programmable undervoltage lockout thresholds provide full control over the transition ...

Circuit 

 

LTC3126 3.3V, 2MHz Step-Down Converter with Dual Inputs

Sep 16th 2016
The LTC®3126 is a high efficiency synchronous buck converter with an internal no-loss PowerPath™ supporting seamless operation from two separate input power sources. Pin selectable ideal diode-OR and priority input modes with user programmable undervoltage lockout thresholds provide full control over the transition ...

Circuit 

 

LTC3126 3.3V Supply with 200ms Transient Ride-Through Capability

Sep 16th 2016
The LTC®3126 is a high efficiency synchronous buck converter with an internal no-loss PowerPath™ supporting seamless operation from two separate input power sources. Pin selectable ideal diode-OR and priority input modes with user programmable undervoltage lockout thresholds provide full control over the transition ...

Circuit 

 

LT3090 5V to +/-2.5V Low Noise Power Supply

Sep 15th 2016
The LT®3090 is a 600mA, low dropout negative linear regulator that is easily parallelable to increase output current or spread heat on surface mounted boards. Designed with a precision current reference followed by a high performance rail-to-rail voltage buffer, this regulator finds use in applications requiring precision ...

Circuit 

 

LT3085 Adjustable High Efficiency Regulator

Sep 15th 2016
The LT3085 is a 500mA low dropout linear regulator that can be paralleled to increase output current or spread heat on surface mounted boards. Designed as a precision current source and voltage follower, this new regulator finds use in many applications requiring high current, adjustability to zero, and no heat sink. The device ...

Circuit 

 

DC2440A - LTC3374AEUHF Demo Board | High Accuracy 8-Ch Parallelable 1A Sync Bucks; 2.25V ≤ VIN ≤ 5.5V, Vout1-Vout8 = 1V to 3.3V @ 1A

Sep 12th 2016
Demonstration circuit 2440A is an 8-output power supply featuring the LTC®3374A with improved efficiency and accuracy compared to the LTC3374. The LTC3374A has eight 1A synchronous buck regulators each with an independent VIN supply that can range from 2.25V to 5.5V (the minimum VCC supply voltage is 2.7V). The input range ...

Demo Board 

 

LT8611 12V Step-Down with 1A Output Current Limit

Sep 9th 2016
The LT®8611 is a compact, high efficiency, high speed synchronous monolithic step-down switching regulator that consumes only 2.5μA of quiescent current. Top and bottom power switches are included with all necessary circuitry to minimize the need for external components. The built-in current sense amplifier with monitor ...

Circuit 

 

LT8611 1V Step-Down with 2A Output Current Limit

Sep 9th 2016
The LT®8611 is a compact, high efficiency, high speed synchronous monolithic step-down switching regulator that consumes only 2.5μA of quiescent current. Top and bottom power switches are included with all necessary circuitry to minimize the need for external components. The built-in current sense amplifier with monitor ...

Circuit 

 

LT8611 Coincident Tracking Step-Downs Each with 2A Output Current Limit

Sep 9th 2016
The LT®8611 is a compact, high efficiency, high speed synchronous monolithic step-down switching regulator that consumes only 2.5μA of quiescent current. Top and bottom power switches are included with all necessary circuitry to minimize the need for external components. The built-in current sense amplifier with monitor ...

Circuit 

 

LT8611 2A LED Driver

Sep 9th 2016
The LT®8611 is a compact, high efficiency, high speed synchronous monolithic step-down switching regulator that consumes only 2.5μA of quiescent current. Top and bottom power switches are included with all necessary circuitry to minimize the need for external components. The built-in current sense amplifier with monitor ...

Circuit 

 

LT8613 5A LED Driver

Sep 2nd 2016
The LT®8613 is a compact, high efficiency, high speed synchronous monolithic step-down switching regulator that consumes only 3μA of quiescent current. Top and bottom power switches are included with all necessary circuitry to minimize the need for external components. The built-in current sense amplifier with monitor ...

Circuit 

 

LTC3649 Hold-Up Circuit Using a Buck Regulator with Vin Boost Capabilities

Victor Khasiev - Applications Engineer
Gabino Alonso - Strategic Marketing Engineer
Aug 18th 2016
One very important, but not the much known future of LTC®3649 is ability provide hold-up time for critical systems at power outage. Usual solution for providing energy during hold-up time is to use dedicated controllers and storage capacitors. Such approach is absolutely adequate if high levels of energy needed during ...

Circuit LTspice 

 

Synchronous Rail-to-Rail, Single Resistor Step-Down Regulator Sinks/Sources ±5A from 0V to 14.5VOUT

Aug 16th 2016
MILPITAS, CA – August 16, 2016 – Linear Technology Corporation announces the LTC3623, a ±5A high efficiency, current mode synchronous buck regulator that is adjustable from 14.5V down to 0V output with a single resistor. Proven on Linear Technology’s prior linear regulators and switching regulators, ...

Press Release 

 

LTC3623 12V to 10A 2-Phase Single Output Regulator

Aug 15th 2016
TheLTC3623 is a high efficiency, monolithic synchronous buck regulator in which the output voltage is programmed with a single external resistor. The accurate internally generated 50µA current source on the ISET pin allows the user to program an output voltage from 0V to 0.5V below VIN. The user can also directly drive ...

Circuit 

 

LTC3623 12V to -1V,1MHz Buck Regulator

Aug 15th 2016
TheLTC3623 is a high efficiency, monolithic synchronous buck regulator in which the output voltage is programmed with a single external resistor. The accurate internally generated 50µA current source on the ISET pin allows the user to program an output voltage from 0V to 0.5V below VIN. The user can also directly drive ...

Circuit 

 

LTC3623 Programmable 5A Current Source

Aug 15th 2016
TheLTC3623 is a high efficiency, monolithic synchronous buck regulator in which the output voltage is programmed with a single external resistor. The accurate internally generated 50µA current source on the ISET pin allows the user to program an output voltage from 0V to 0.5V below VIN. The user can also directly drive ...

Circuit 

 

LTC3623 High Efficiency ±5A Vtt Supply for DDR Termination

Aug 15th 2016
TheLTC3623 is a high efficiency, monolithic synchronous buck regulator in which the output voltage is programmed with a single external resistor. The accurate internally generated 50µA current source on the ISET pin allows the user to program an output voltage from 0V to 0.5V below VIN. The user can also directly drive ...

Circuit 

 

6A Monolithic Synchronous DC/DC Step-Down Converter with Digital Power System Management

Haoran Wu - Applications Engineer Aug 10th 2016
Design Note 554: Introduction Digital Power System Management (PSM) controllers usually target high current point-of-load (POL) applications. Lower current applications, with up to 6A load current, can also benefit from PSM features. The LTC®3815 is a 6A monolithic synchronous stepdown converter with digital power monitoring ...

Blog Post 

 

Eight-Channel Configurable 1A Buck DC/DCs Offer Flexibility, Up to 94% Efficiency & ±1% Accuracy for Multi-Rail Systems

Aug 10th 2016
MILPITAS, CA – August 10, 2016 – Linear Technology Corporation announces the LTC3374A, a highly integrated general-purpose power management solution for systems requiring multiple low voltage power supplies. The device can be configured to provide 2 to 8 independent regulated outputs with 15 possible output current ...

Press Release 

 

95% Efficient at 2MHz 42V Sync Buck

Jun 24th 2016
Linear Technology’s family of high voltage synchronous step-down DC/DC switching regulators offer up to 95% efficiency. Switching at 2MHz, these low EMI parts utilize the Silent Switcher technology. Other features include spread spectrum frequency modulation, ultra-low quiescent current and are available with single, dual, ...

Blog Post 

 

Low Voltage Power Supplies

Robert Dobkin - Chief Technical Officer Jun 9th 2016
In this video, Linear Technology Co-founder and CTO Bob Dobkin discusses low voltage power supplies less than half a volt. Most of today's power supplies have a reference of 0.6 volts, which means the output voltage must be greater than 0.6 volts. Several years ago, Linear Technology pioneered a new type of current source ...

Video 

 

42V, 3.5A (IOUT) Synchronous Step-Down Regulator with Operation to 175°C

Jun 1st 2016
MILPITAS, CA - June 1, 2016 - Linear Technology Corporation announces the LT8610AX, a 3.5A, 42V input capable synchronous step-down switching regulator, which operates in ambient temperatures up to 175°C. Synchronous rectification delivers efficiency as high as 95% while Burst Mode® operation keeps quiescent current under ...

Press Release 

 

DC2458A - LT8608 Demo Board | Sync Buck, 5.5V ≤ VIN ≤ 42V, Vout = 5V @ 1.5A (fSW = 2MHz)

May 31st 2016
Demonstration circuit 2458A is a 42V, 1.5A micropower synchronous step-down regulator featuring the LT®8608. 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 LT8608 is a compact, high efficiency, ...

Demo Board LTpowerCAD LTspice 

 

LT8608 42Vin, 12Vout @ 1.5A 1MHz Step Down

May 27th 2016
The LT®8608 is a compact, high efficiency, high speed synchronous monolithic step-down switching regulator that consumes only 1.7μA of quiescent current. The LT8608 can deliver 1.5A of continuous current. Top and bottom power switches are included with all necessary circuitry to minimize the need for external components. ...

Circuit 

 

LT8608 42Vin, 3.3Vout @ 1.5A 2MHz Step Down

May 27th 2016
The LT®8608 is a compact, high efficiency, high speed synchronous monolithic step-down switching regulator that consumes only 1.7μA of quiescent current. The LT8608 can deliver 1.5A of continuous current. Top and bottom power switches are included with all necessary circuitry to minimize the need for external components. ...

Circuit 

 

LT8608 42Vin, 5Vout @ 1.5A 2MHz Step Down

May 27th 2016
The LT®8608 is a compact, high efficiency, high speed synchronous monolithic step-down switching regulator that consumes only 1.7μA of quiescent current. The LT8608 can deliver 1.5A of continuous current. Top and bottom power switches are included with all necessary circuitry to minimize the need for external components. ...

Circuit 

 

LT8608 Ultralow EMI 5V 1.5A Step-Down Converter

May 27th 2016
The LT®8608 is a compact, high efficiency, high speed synchronous monolithic step-down switching regulator that consumes only 1.7μA of quiescent current. The LT8608 can deliver 1.5A of continuous current. Top and bottom power switches are included with all necessary circuitry to minimize the need for external components. ...

Circuit 

 

LT8608 42Vin to 1.8Vout @ 1.5A 2MHz Step-Down Converter

May 27th 2016
The LT®8608 is a compact, high efficiency, high speed synchronous monolithic step-down switching regulator that consumes only 1.7μA of quiescent current. The LT8608 can deliver 1.5A of continuous current. Top and bottom power switches are included with all necessary circuitry to minimize the need for external components. ...

Circuit 

 

LT8608 42Vin to 3.3Vout1 and 1.8Vout2 at 1.5A with Ratio Tracking

May 27th 2016
The LT®8608 is a compact, high efficiency, high speed synchronous monolithic step-down switching regulator that consumes only 1.7μA of quiescent current. The LT8608 can deliver 1.5A of continuous current. Top and bottom power switches are included with all necessary circuitry to minimize the need for external components. ...

Circuit 

 

DC1040A-A - LTC3544EUD Demo Board | Quad Sync Buck, 2.25V ≤ VIN ≤ 5.5V, Iout = 100mA, 200mA(x2) & 300mA

May 9th 2016
Demonstration circuit 1040 is a quad output regulator consisting of four constant-frequency step-down converters integrated into the LTC3544. DC1040 has an input voltage range of 2.25V to 5.5V, with regulators capable of delivering 100mA, 200mA, 200mA and 300mA of output current. The four regulators operate independently ...

Demo Board LTspice 

 

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 

 

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 

 

NXP (Freescale) QorIQ T1023RDB

Apr 25th 2016
The QorIQ T1023 Reference Design Board (T1023RDB) is a high-performance evaluation, development and test platform supporting the QorIQ T1023 communications processor. The board will support the evaluation and development of the dual core T1023 and the single core T1013 communications processors built on Power ...

Circuit LTpowerPlanner 

 

NXP (Freescale) i.MX7 96Board

Apr 20th 2016
The i.MX 7 series-based, open-source board provided by Arrow enables secure, power-efficient systems with drastically reduced time to market. The i.MX 7 series is a highly integrated multi-market applications processor designed to enable secure and portable applications within the Internet of Things. The i.MX 7 series ...

Circuit LTpowerPlanner 

 

1.5A Synchronous Step-Down DC/DC Converter Delivers 93% Efficiency at 2MHz & Operates from 3.0V to 42V Inputs

Apr 19th 2016
MILPITAS, CA - April 19, 2016 - Linear Technology Corporation announces the LT8608, a 1.5A, 42V input synchronous step-down switching regulator. A unique synchronous rectification topology delivers 93% efficiency while switching at 2MHz enabling designers to avoid critical noise-sensitive frequency bands, such as AM radio, while ...

Press Release 

 

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 ...

Circuit LTpowerPlanner 

 

60V, 4A Monolithic Buck Regulator w/ Rail-to-Rail Programmable Output and Integrated Current Monitoring

Steve Zhou - Senior Design Engineer Apr 12th 2016
The LTC3649 step-down regulator combines key features of a high voltage buck regulator with a complete feature set that allows for ease of use in a variety of applications.  The output voltage can be programmed with one resistor from ISET to GND, or it can be programmed directly with a voltage on the ISET pin.  The ...

Video 

 

60V, 4A Synchronous Monolithic Step-Down Regulator Has Rail-to Rail Operation

Apr 5th 2016
Design Note 550: Introduction The LTC3649 is a high efficiency synchronous monolithic step-down regulator, which integrates top and bottom N-channel MOSFETs on the die. This regulator features a wide input voltage range, 3.1V to 60V, and a wide output voltage range from 0V to (VIN − 0.5V). This extremely wide range of ...

Blog Post LTspice 

 

LTC7130 High Efficiency, 1.5V/15A Step-Down Converter with Very Low Output Ripple

Mar 30th 2016
The LTC®7130 is a current mode synchronous step-down monolithic converter that can deliver up to 20A continuous load current. It employs a unique architecture which enhances the signal-to-noise ratio of the current sense signal, allowing the use of a very low DC resistance power inductor to maximize efficiency in high ...

Circuit 

 

LTC7130 High Efficiency, Dual Phase Very Low DCR Sensing 1.2V/40A Step-Down Supply

Mar 30th 2016
The LTC®7130 is a current mode synchronous step-down monolithic converter that can deliver up to 20A continuous load current. It employs a unique architecture which enhances the signal-to-noise ratio of the current sense signal, allowing the use of a very low DC resistance power inductor to maximize efficiency in high ...

Circuit 

 

20V, 20A Monolithic Synchronous Step-Down Regulator with Ultralow DCR Current Sensing for Higher Efficiency

Mar 28th 2016
MILPITAS, CA - March 28, 2016 - Linear Technology Corporation introduces the LTC7130, a constant frequency peak current mode synchronous step-down DC/DC converter with temperature-compensated ultralow DCR current sensing and clock synchronization. The device’s unique architecture eases compensation and offers the ability ...

Press Release 

 

DC2341A - LTC7130EY Demo Board | Monolithic 20A Buck with mΩ DCR Sensing; 4.5V ≤ VIN ≤ 20V, Vout = 1.5V @ 20A

Mar 25th 2016
Demonstration circuit 2341A is a high efficiency synchronous buck DC/DC converter with 4.5V to 20V input range. It can supply 20A maximum load current at 1.5V output. The demo board features the LTC®7130 regulator. No external MOSFETs are required. It employs an LTC proprietary current sensing, current mode architecture, ...

Demo Board LTpowerCAD 

 

DC2373A - LT8641 Demo Board | Sync Buck, Silent Switcher, 5.5V ≤ VIN ≤ 65V, Vout = 5V @ 3.5A, fSW = 2MHz

Mar 15th 2016
Demonstration circuit 2373A is a 65V, 3.5A micropower synchronous step-down Silent Switcher® with spread spectrum frequency modulation featuring the LT®8641. The demo board is designed for 5V output from a 5.5V to 65V input. The wide input range allows a variety of input sources, such as automotive batteries and industrial ...

Demo Board LTpowerCAD LTspice 

 

42V Triple Synchronous Step-Down DC/DC Converter Delivers 93% Efficiency & Operates from 3V to 42V Inputs

Mar 8th 2016
MILPITAS, CA - March 8, 2016 - Linear Technology Corporation announces the LT8601, a 42V input capable, high efficiency triple output synchronous monolithic step-down switching regulator. Its triple channel design combines two high voltage 2.5A and 1.5A channels with a lower voltage 1.8A channel to deliver three independent ...

Press Release 

 

DC2346A - LT8601EUJ Demo Board | Triple Sync Buck, 6V ≤ VIN ≤ 24V, 5Vout1 @ 1.5A, 3.3Vout2 @ 2.5A and 1.8Vout3 @ 1.8A, 2MHz FSW

Mar 2nd 2016
Demonstration circuit 2346A is a triple power supply featuring the LT®8601. LT8601 is a 42V triple monolithic synchronous step-down regulator. The demo circuit is designed for 5V, 3.3V, and 1.8V outputs from a nominal 12V input, with switching frequency set at 2MHz to avoid audio band. The 1.8V converter is powered from ...

Demo Board LTspice 

 

DC2195B-A - LT8609AEMSE Demo Board | μPower Sync Buck, Low EMI, 5.5V ≤ VIN ≤ 42V, Vout = 5V @ 2A, FSW = 2MHz

Mar 2nd 2016
Demonstration circuit 2195B is a 42V, 2A micropower synchronous step-down regulator featuring the LT8609 or LT8609A. There are two assembly versions. DC2195B-A is for the LT8609A and DC2195B-B (and DC2195A) is for the LT8609. The difference is the LT8609A has slower edge speeds for improved EMI at the expense of a small efficiency ...

Demo Board LTpowerCAD LTspice 

 

65V, 3.5A/5A Peak (IOUT), Synchronous Step-Down Silent Switcher Delivers 94% Efficiency at 2MHz & Ultralow EMI Emissions

Feb 25th 2016
MILPITAS, CA - February 25, 2016 - Linear Technology Corporation announces the LT8641, a 3.5A, 65V input capable synchronous step-down switching regulator. A unique Silent Switcher® architecture, combined with spread spectrum frequency modulation, reduces EMI/EMC emissions by more than 25dB even with switching frequencies in ...

Press Release 

 

LT8641 2MHz 3.3V, 3.5A Step-Down Converter

Feb 16th 2016
The LT®8641 step-down regulator features Silent Switcher architecture designed to minimize EMI/EMC emissions while delivering high efficiency at frequencies up to 3MHz. Assembled in a 3mm × 4mm QFN, the monolithic construction with integrated power switches and inclusion of all necessary circuitry yields a solution ...

Circuit 

 

LT8641 12V, 3.5A Step-Down Converter

Feb 16th 2016
The LT®8641 step-down regulator features Silent Switcher architecture designed to minimize EMI/EMC emissions while delivering high efficiency at frequencies up to 3MHz. Assembled in a 3mm × 4mm QFN, the monolithic construction with integrated power switches and inclusion of all necessary circuitry yields a solution ...

Circuit 

 

LT8641 2MHz 5V, 3.5A Step-Down Converter

Feb 16th 2016
The LT®8641 step-down regulator features Silent Switcher architecture designed to minimize EMI/EMC emissions while delivering high efficiency at frequencies up to 3MHz. Assembled in a 3mm × 4mm QFN, the monolithic construction with integrated power switches and inclusion of all necessary circuitry yields a solution ...

Circuit 

 

LT8641 2MHz 1.8V, 3.5A Step-Down Converter

Feb 16th 2016
The LT®8641 step-down regulator features Silent Switcher architecture designed to minimize EMI/EMC emissions while delivering high efficiency at frequencies up to 3MHz. Assembled in a 3mm × 4mm QFN, the monolithic construction with integrated power switches and inclusion of all necessary circuitry yields a solution ...

Circuit 

 

DC2113A - LTC3649 Demo Board | Sync Buck, 3.1V ≤ VIN ≤ 60V, Vout = 3.3V/5V @ 4A

Feb 16th 2016
Demonstration circuit 2113A is a high input voltage, high efficiency synchronous monolithic buck converter featuring the LTC®3649. The DC2113A has wide input voltage range from 3.1V up to 60V. The output voltage of the DC2113A can be set as to 3.3V or 5V. However, “USER SELECT” option of DC2113A allows output ...

Demo Board LTpowerCAD LTspice 

 

Xilinx Basys 3 Artix-7 FPGA Board

Feb 1st 2016
Digilent’s Basys 3 board is an entry level evaluation platform featuring the Artix-7 FPGA.         Rail / Function  Part Number General Description of Part 1.0V : FPGA Core LTC3633 Dual Channel 3A, 15V Monolithic Synchronous Step-Down Regulator 1.8V : FPGA Auxiliary ...

Circuit LTpowerPlanner 

 

LT8601 Automotive Input Steps Down to 5V, 3.3V, 1.8V

Feb 1st 2016
The LT®8601 is a triple channel, current mode, monolithic buck switching regulator with a programmable power-on reset. All regulators are synchronized to a single oscillator with an adjustable frequency from 250kHz to 2.2MHz. The LT8601 can be configured for micropower Burst Mode or Pulse-Skipping operation at light load. ...

Circuit 

 

LT8601 Wide Range Input Stepped Down to 5V, 2.5V and 8V (Delayed)

Feb 1st 2016
The LT®8601 is a triple channel, current mode, monolithic buck switching regulator with a programmable power-on reset. All regulators are synchronized to a single oscillator with an adjustable frequency from 250kHz to 2.2MHz. The LT8601 can be configured for micropower Burst Mode or Pulse-Skipping operation at light load. ...

Circuit 

 

60V, 4A Synchronous Step-Down Regulator with Adjustable Rail-to-Rail Output & Wire Drop Compensation

Jan 18th 2016
MILPITAS, CA - January 18, 2016 - The LTC3649 is a high efficiency, 60V, 4A synchronous buck regulator that incorporates a constant frequency, current mode architecture and programmable output current and output voltage, which are set with a single external resistor. The LTC3649 operates from an input voltage range of 3.1V to ...

Press Release 

 

LTC3649 9-36Vin, 5Vout at 8A With Dual Phase Operation

Jan 8th 2016
The LTC®3649 is a high efficiency 60V, 4A synchronous monolithic step-down regulator. The regulator features a single resistor programmable output voltage, internal compensation and high efficiencies over a wide VOUT range. ...

Circuit 

 

LTC3649 60Vin to 5Vout at 4A With Cable Drop Compensation

Jan 8th 2016
The LTC®3649 is a high efficiency 60V, 4A synchronous monolithic step-down regulator. The regulator features a single resistor programmable output voltage, internal compensation and high efficiencies over a wide VOUT range. ...

Circuit 

 

6A Synchronous Step-Down DC/DC Converter with Digital Power System Management Enables ±25% Voltage Margining with 0.1% Resolution

Dec 17th 2015
MILPITAS, CA - December 17, 2015 - Linear Technology Corporation announces the LTC3815, a high efficiency 6A monolithic synchronous step-down DC/DC converter with an I²C-based PMBus interface for digital power system management (PSM). The LTC3815’s simplified and intuitive PMBus “Lite” command set makes it simple to use. ...

Press Release 

 

42V High Power Density Buck Regulators in a Tiny QFN Package

Ying Cheng - Sr Apps Eng Dec 7th 2015
Design Note 1038: Introduction Power dissipation is a significant problem facing the designers of DC/DC converters in industrial and automotive applications, where high currents are required, but space is limited. It is possible to produce a highly efficient regulator from high performance discrete components, but expense and ...

Blog Post 

 

Quad Buck Regulators in an Impossibly Small Space

Michael Nootbaar - Sr. Design Engineer Nov 11th 2015
Frequently, the power supply gets whatever board space is left over regardless of how impossibly small. Using Linear’s latest Quad Buck regulator, the LT8602, you can have four regulated outputs in an incredibly small space. The LT8602 has two high voltage buck regulators with an input voltage range of 3V to 42V. It ...

Video 

 

Spread Spectrum Frequency Modulation Reduces EMI

Kevin B. Scott - Senior Strategic Marketing Engineer
Greg Zimmer - Senior Product Marketing Engineer
Nov 4th 2015
Electromagnetic Radiation (EMR), Electromagnetic Interference (EMI) and Electromagnetic Compliance (EMC) are terms that pertain to energy from electrically charged particles and the associated magnetic fields that can potentially interfere with circuit performance and signal transmissions. With the proliferation of wireless ...

Blog Post 

 

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 

 

DC2359A - LTC3624 Demo Board (MSOP) | Micropower Sync Buck, 2.7V ≤ VIN ≤ 17V, Vout = 1.2V/1.8V/2.5V/3.3V/5V @ 2A

Oct 8th 2015
Demonstration circuit 2359A is a synchronous step-down regulator using LTC®3624HMSE monolithic buck regulator in the MSOP-12E package. The DC2359A operates from an input voltage range of 2.7V to 17V and provides and jumper-selectable output voltage range from 1.2V to 5V (VOUT < VIN) at 2A of continuous output current. ...

Demo Board LTpowerCAD LTspice 

 

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 ...

Circuit 

 

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