Solutions Search - Step-Down (Buck) Regulators

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 ...

 

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 ...

 

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 ...

 

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 ...

 

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 ...

 

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 ...

 

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 ...

 

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 ...

 

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 ...

 

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 ...

 

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 ...

 

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 ...

 

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 ...

 

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 ...

 

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 ...

 

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 ...

 

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 ...

 

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, ...

 

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. ...

 

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 ...

 

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, ...

 

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 ...

 

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 ...

 

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 ...

 

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 ...

 

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. ...

 

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 ...

 

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 ...

 

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 ...

 

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 ...

 

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, ...

 

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 ...

 

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 ...

 

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 ...

 

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 ...

 

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 ...

 

DC1989B-B - LTM4676A Demo Board | LTM4676A(x3) Current Shared, PMBus Buck uModule, 4.5V ≤ VIN ≤ 17V, Vout = 0.5V to 4V @ 75A

Oct 13th 2016
Demonstration circuit 1989B-B 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 75A maximum load current. The demo board has three LTM®4676A μModule regulators, and the LTM4676A is a dual 13A or single 26A step-down ...

 

DC1989B-A - LTM4676A Demo Board | LTM4676A(x2) Current Shared, PMBus Buck uModule, 4.5V ≤ VIN ≤ 17V, Vout = 0.5V to 4V @ 50A

Oct 13th 2016
Demonstration circuit 1989B-A 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 50A maximum load current. The demo board has two LTM®4676A μModule regulators, and the LTM4676A is a dual 13A or single 26A step-down ...

 

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. ...

 

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 ...

 

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 ...

 

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 ...

 

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 ...

 

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 ...

 

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 ...

 

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 ...

 

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 ...

 

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 ...

 

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 ...

 

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 ...

 

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 ...

 

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 ...

 

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 ...

 

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 ...

 

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 ...

 

LTM4643 4V to 20V Input, Quad 1.2V, 1.5V, 2.5V and 3.3V Output with Ratiometric Tracking

Sep 8th 2016
The LTM®4643 is a quad DC/DC step-down μModule (power module) regulator with 3A per output. Outputs can be paralleled in an array for up to 12A capability. Included in the package are the switching controllers, power FETs, inductors and support components. Operating over an input voltage range of 4V to 20V or 2.375V ...

 

LTM4643 2.375V to 5V Input, Quad 1V, 1.2V, 1.5V, 1.8V Output

Sep 8th 2016
The LTM®4643 is a quad DC/DC step-down μModule (power module) regulator with 3A per output. Outputs can be paralleled in an array for up to 12A capability. Included in the package are the switching controllers, power FETs, inductors and support components. Operating over an input voltage range of 4V to 20V or 2.375V ...

 

LTM4643 4V to 20V Input, 4-Phase, 1.2V at 12A Design with Temperature Monitoring

Sep 8th 2016
The LTM®4643 is a quad DC/DC step-down μModule (power module) regulator with 3A per output. Outputs can be paralleled in an array for up to 12A capability. Included in the package are the switching controllers, power FETs, inductors and support components. Operating over an input voltage range of 4V to 20V or 2.375V ...

 

LTM4643 12V and 5V Two Separate Input Rails, 1.2V at 6A and 3.3V at 6A Output

Sep 8th 2016
The LTM®4643 is a quad DC/DC step-down μModule (power module) regulator with 3A per output. Outputs can be paralleled in an array for up to 12A capability. Included in the package are the switching controllers, power FETs, inductors and support components. Operating over an input voltage range of 4V to 20V or 2.375V ...

 

DC2453A - LTM4643 Demo Board | Quad Buck μModule Regulator with Configurable 3A Output Array

Sep 8th 2016
Demonstration circuit 2453A features the LTM®4643 μModule® regulator, a high performance high efficiency 4 output step-down regulator. The LTM4643EV has an operating input voltage range of 4V to 14V and is able to provide up to 3A out output current from each of its phases. Each output’s voltage is programmable ...

 

50A to 300A, Scalable μModule Regulator Needs 60% Less Capacitance to Power Sub-28nm GPUs, FPGAs, ASICs & Processors

Sep 8th 2016
MILPITAS, CA – September 8, 2016 – – Linear Technology Corporation introduces the LTM4650-1A and LTM4650-1B, dual 25A or single 50A µModule® (power module) regulators scalable to deliver 300A to high power, low voltage sub-28nm GPUs, FPGAs, ASICs and microprocessors. The low core voltage of these ...

 

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 ...

 

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 ...

 

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 ...

 

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 ...

 

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 ...

 

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 ...

 

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 ...

 

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 ...

 

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, ...

 

LTM4631 20A, 1.2V Output Ultrathin μModule Regulator

Aug 15th 2016
The LTM4631 is a dual 10A or single 20A output switching mode step-down DC/DC μModule® (power module) regulator. Included in the package are the switching controller, power FETs, inductors and all supporting components. Operating from an input voltage range of 4.5V to 15V, the LTM4631 supports two outputs each with ...

 

LTM4631 Ultrathin uModule 4-Phase, 1.2V at 40A Output

Aug 15th 2016
The LTM4631 is a dual 10A or single 20A output switching mode step-down DC/DC μModule® (power module) regulator. Included in the package are the switching controller, power FETs, inductors and all supporting components. Operating from an input voltage range of 4.5V to 15V, the LTM4631 supports two outputs each with ...

 

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 ...

 

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 ...

 

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 ...

 

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 ...

 

Ultrathin μModule Regulator Gets Closer to FPGAs, GPUs, ASICs or Processors under a Common Heat Sink

Aug 15th 2016
Ultrathin µModule Regulator MILPITAS, CA – August 15, 2016 – Linear Technology Corporation introduces the LTM4631, a dual 10A or single 20A µModule® (power module) step-down regulator in an ultrathin 1.91mm LGA package with a 16mm x 16mm footprint. The LTM4631 can be placed on a PC board very close ...

 

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 ...

 

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 ...

 

DC2455A-C - LTM4650-1 Demo Board | LTM4650-1 (x4) Buck μModule Regulator, 4.5V ≤ VIN ≤ 15V, Vout = 0.9V to 1.8V @ 200A

Aug 3rd 2016
Demonstration Circuit 2455A-C features PolyPhase ® design using four LTM ® 4650EY-1 (B-grade) high efficiency, high density, dual 25A, switch mode step-down power module regulators. The input voltage is from 4.5V to 15V. The output voltage is jumper selectable from 0.9V to 1.8V. DC2455A-C can deliver nominal 200A output ...