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Solutions Search - Power Control

LT1160/LT1162 - 60V Max Supply Referenced DC Motor Half-Bridge Driver

Jun 14th 2017
The LT1160/LT1162 are cost effective half-/full-bridge N-channel power MOSFET drivers. The floating driver can drive the topside N-channel power MOSFETs operating off a high voltage (HV) rail of up to 60V. ...

Circuit LTspice 

 

No-Opto Isolated Flyback Converters

Jun 10th 2016
The no-opto isolated flyback parts from Linear need no opto-coupler or LT1431 shunt regulator for regulation. They sense the isolated output voltage directly from the primary-side waveform. This simplifies the design, allows for a smaller solution size and only requires one component crossing the isolation barrier. The load, ...

Blog Post 

 

DC2175A - LT3752IFE/LT8311IFE Demo Board | Forward Converter with Sync Rectification, 9V ≤ VIN ≤ 36V; Vout = 12V @ 13A

Apr 27th 2016
Demonstration circuit 2175A is an active clamp forward converter with synchronous rectification featuring the LT®3752/LT8311 chipset. This circuit was designed to demonstrate the high levels of performance, efficiency and high power. It operates at 200kHz and produces a regulated 12V, 13A output from a wide input voltage ...

Demo Board 

 

DC2104A - LT8312EMS Demo Board | Boost Controller with PFC, 90VAC ≤ VIN ≤ 265VAC; VOUT = 400Vdc @ 0.375A

Mar 16th 2015
Demonstration Circuit 2104A is an off-line boundary conduction mode power factor correction (PFC) boost converter featuring the LT®8312. Boundary conduction mode offers inherent MOSFET valley switching to reduce the switching loss and the boost diode zero current switching to remove the diode reverse-recovery loss. The demo ...

Demo Board LTspice 

 

Power Factor Correction Boost Controller

Feb 19th 2015
MILPITAS, CA - February 19, 2015 - Linear Technology Corporation announces the LT8312, a power factor correction (PFC) boost controller that can achieve a power factor of greater than 0.99 by actively modulating the input current, allowing compliance with most harmonic current emission requirements. This device operates with ...

Press Release 

 

LT3752/LT8311 48Vin, 24Vout Active Clamp Forward Converter with High Light Load Efficiency

Fei Guo - Apps Engineer
Gabino Alonso - Strategic Marketing Engineer
Feb 11th 2015
The LT3752 includes a number of programmable features that make it suitable for this application. For instance, programmable delays between various gate signals is used to prevent cross-conduction and to optimize efficiency, and programmable turn-on current spike blanking (adaptive leading edge blanking plus programmable extended ...

Blog Post Circuit 

 

LT3798/LT8309 5V, 2A Energy Star Compliant Isolated Converter

Jesus Rosales - Applications Engineer
Gabino Alonso - Strategic Marketing Engineer
Feb 10th 2015
The focus of this circuirt was to take a design based on the LT®3798 and make it Energy Star Compliant; reduce no load, standby power to less than 300mW. That was achieved by adding the components highlighted in the dotted line box in the schematic inside the primary side. This circuit is simply a switch that removes ...

Blog Post Circuit LTspice 

 

DC2015A - LT8310EFE/LT8311EFE Isolated Demo Board | 36V ≤ VIN ≤ 72V; VOUT = 12V @ 12A

Nov 3rd 2014
Demonstration circuit 2015A is a resonant reset forward converter with synchronous rectification featuring the LT®8310/LT8311 chipset. This circuit was designed to demonstrate the high levels of performance, efficiency, and small solution size attainable using these parts. It operates at 240kHz and produces a regulated 12V, ...

Demo Board 

 

LT1158 High Current Lamp Driver with Short-Circuit Protection

Sep 2nd 2014
A single input pin on the LT1158 synchronously controls two N-channel power MOSFETs in a totem pole configuration. Unique adaptive protection against shoot-through currents eliminates all matching requirements for the two MOSFETs. This greatly eases the design of high efficiency motor control and switching regulator systems. ...

Circuit LTspice 

 

LT8310/LTC3900 78W Isolated Synchronous Forward Converter

Aug 12th 2014
The LT®8310 is a simple-to-use resonant reset forward converter controller that drives the gate of a low side N-channel MOSFET from an internally regulated 10V supply. The LT8310 features duty mode control that generates a stable, regulated, isolated output using a single power transformer. With the addition of output voltage ...

Circuit 

 

LT8310/LT8311 94% Efficient, 150W Isolated Synchronous Forward Converter

Aug 12th 2014
The LT®8310 is a simple-to-use resonant reset forward converter controller that drives the gate of a low side N-channel MOSFET from an internally regulated 10V supply. The LT8310 features duty mode control that generates a stable, regulated, isolated output using a single power transformer. With the addition of output voltage ...

Circuit 

 

LT1241Series 300kHz Off-Line Power Supply

Aug 6th 2014
The LT®1241 series devices are 8-pin, fixed frequency, current mode, pulse width modulators. They are improved plug compatible versions of the industry standard UC1842 series. These devices have both improved speed and lower quiescent current. The LT1241 series is optimized for off-line and DC/DC converter applications. ...

Circuit LTspice 

 

LT1249 Active Power Factor Correction for 90VAC to 270VAC Universal Offline Power Systems

Aug 4th 2014
The LT1249 uses a multiplier containing a square gain function from the voltage amplifier to reduce the AC gain at light output load and thus maintains low line current distortion and high system stability. The LT1249 also provides filtering capability to reject line switching noise which can cause instability when fed into ...

Circuit LTspice 

 

LT3752/LT8311 240W Isolated Forward Converter

Randyco Prasetyo - Applications Engineer Jul 28th 2014
The LT3752 includes a number of programmable features that make it suitable for this application. For instance, programmable delays between various gate signals is used to prevent cross-conduction and to optimize efficiency, and programmable turn-on current spike blanking (adaptive leading edge blanking plus programmable extended ...

Blog Post Circuit 

 

DC1929A - LT3752EFE-1/ LT8311EFE Demo Board | 150V ≤ VIN ≤ 400V, VOUT = 12V @ 16.7A

Apr 14th 2014
Demonstration circuit 1929A is a 200W active clamp forward converter featuring the LT®3752-1/LT8311 chipset. The LT8311 is a secondary-side synchronous rectifier controller. The solution operates at about 100kHz and produces an isolated, regulated 12V / 16.7A output from an input voltage ranging from 150V to 400V, making ...

Demo Board LTspice 

 

Synchronous Forward MOSFET Driver Eliminates Signal Transformer

Apr 2nd 2014
MILPITAS, CA - April 2, 2014 - Linear Technology Corporation announces the LT8311, a high efficiency secondary-side MOSFET driver that operates without the need for primary control in an isolated synchronous forward converter. The LT8311’s unique preactive mode eliminates the need for a signal transformer for primary to secondary-side communication ...

Press Release 

 

LT3752 18V to 72V, 12V/12.5A, 150W No-Opto, Active Clamp Isolated Forward Converter

Mar 4th 2014
The LT®3752/LT3752-1 are current mode PWM controllers optimized for an active clamp forward converter topology. A DC/DC housekeeping controller is included for improved efficiency and performance. The LT3752 allows operation up to 100V input and the LT3752-1 is optimized for applications with input voltages greater than ...

Circuit 

 

LT3752-1 150V to 400V, 12V/16.7A, 200W Active Clamp Isolated Forward Converter

Mar 4th 2014
The LT®3752/LT3752-1 are current mode PWM controllers optimized for an active clamp forward converter topology. A DC/DC housekeeping controller is included for improved efficiency and performance. The LT3752 allows operation up to 100V input and the LT3752-1 is optimized for applications with input voltages greater than ...

Circuit 

 

LT3752 75V to 150V, 24V/14A 340W No-Opto, Active Clamp Isolated Forward Converter

Mar 4th 2014
The LT®3752/LT3752-1 are current mode PWM controllers optimized for an active clamp forward converter topology. A DC/DC housekeeping controller is included for improved efficiency and performance. The LT3752 allows operation up to 100V input and the LT3752-1 is optimized for applications with input voltages greater than ...

Circuit 

 

Flyback Synchronous Rectifier Driver Provides 10A Output Current

Mar 3rd 2014
MILPITAS, CA - March 3, 2014 - Linear Technology Corporation announces the LT8309, a flyback secondary-side synchronous rectifier driver that replaces the output diode with a MOSFET, allowing up to 10A output current without the use of a heat sink. The maximum output current of a flyback power supply has been limited by the ...

Press Release 

 

DC1994A - LT3752EFE/LT8311EFE Isolated Demo Board | 18V ≤ VIN ≤ 72V; VOUT: 12V @ 12A

Feb 26th 2014
Demonstration circuit 1994A is an active clamp forward converter with synchronous rectification featuring the LT®3752/LT8311 chipset. This circuit was designed to demonstrate the high levels of performance, efficiency, and small solution size attainable using these parts. It operates at 240kHz and produces a regulated 12V, ...

Demo Board LTspice 

 

DC1816B - LT3799EMSE-1 Demo Board I Offline Isolated Flyback LED Driver with PFC, 90VAC ≤ VIN ≤ 305VAC, Vout = 36V(nom) @ 3A

Jan 11th 2014
Demonstration circuit 1816B is an off-line isolated flyback LED driver featuring LT®3799-1. The demo board provides a single constant current output of 3A over an LED string voltage from 22V to 38V. It is optimized to operate over a wide AC input voltage range (90VAC to 305VAC, 47Hz to 63Hz). LED current typically stays ...

Demo Board LTspice 

 

DC1947A - LT3799EMSE-1 Demo Board | Offline Isolated Flyback LED Driver with PFC

Jan 29th 2013
DC1947A - Demo Board for:LT3799-1 - Offline Isolated Flyback LED Controller with Active PFC ...

Demo Board 

 

DC1817B - LT3798EMSE Isolated Demo Board VIN = 90VAC to 265VAC, VOUT = 24V @ 2A High Voltage

Jan 10th 2013
DC1817B - Demo Board for:LT3798 - Isolated No Opto-Coupler Flyback Controller with Active PFC ...

Demo Board LTspice 

 

LT3798 Isolated No Opto-Coupler Flyback Controller with Active PFC - Video Product Brief

Bruce Haug - Product Marketing Engineer Mar 6th 2012
The LT®3798 is a constant-voltage/constant-current isolated flyback controller that combines active power factor correction (PFC) with no opto-coupler required for output voltage feedback into a single-stage converter. A LT3798 based design can achieve a power factor of greater than 0.97 by actively modulating the input current, ...

Video 

 

DC1775A - LT3799 Demo Board - Offline Isolated Flyback Controller with PFC - Universal Input, VOUT(NOM) = 28V, I LED = 0.5A

Feb 8th 2012
DC1775A - Demo Board for:LT3799 - Offline Isolated Flyback LED Controller with Active PFC ...

Demo Board 

 

Isolated Power Factor Corrected Offline Regulator Needs No Opto

Dec 5th 2011
MILPITAS, CA – December 5, 2011 – Linear Technology Corporation announces the LT3798, an isolated flyback controller with single stage active power factor correction (PFC). A power factor of greater than 0.97 is accomplished by actively modulating the input current, eliminating the need for an extra switching power stage ...

Press Release 

 

LT3798 112W Wide DC Input Industrial Power Supply

Dec 1st 2011
The LT®3798 is a constant-voltage/constant-current isolated flyback controller that combines active power factor correction (PFC) with no opto-coupler required for output voltage feedback into a single-stage converter. A LT3798 based design can achieve a power factor of greater than 0.97 by actively modulating the input ...

Circuit 

 

DC1744A - LT3799EMSE Demo Board u 90V VIN 270V, VOUT= 1A at ~ 4V

Jul 15th 2011
DC1744A - Demo Board for:LT3799 - Offline Isolated Flyback LED Controller with Active PFC ...

Demo Board 

 

Isolated Forward Converter Integrated Circuits Specified over -55°C to 125°C Junction Temperature Range

Jun 13th 2011
MILPITAS, CA – June 13, 2011 – Linear Technology Corporation announces the high reliability (MP-grade) version of the LT1952/-1, LTC3900 and LT4430. These devices combine to create a high efficiency (up to 95%) synchronous rectified isolated forward converter that is specified and production tested over a -55°C ...

Press Release 

 

DC1595A - LT3799 Demo Board - Offline Isolated Flyback Controller with PFC - Universal Input, VOUT(NOM) = 20V, I LED = 1A

Mar 30th 2011
DC1595A - Demo Board for:LT3799 - Offline Isolated Flyback LED Controller with Active PFC ...

Demo Board LTspice 

 

Isolated Active PFC Off-Line LED Controller Is TRIAC Dimmable & Needs No OPTO Isolator

Feb 7th 2011
MILPITAS, CA - February 07, 2011 - Linear Technology announces the LT3799, an isolated LED controller with active power factor correction (PFC), specifically designed for driving LEDs from a universal input range of 90VAC to 265VAC. The LT3799 is optimized for LED applications requiring 4W to over 100W of LED power and also ...

Press Release 

 

DC1317A-G - LT1952EGN-1/LTC3900 Demo Board | Active Reset, Vin=9V-36V Vout=12V @ 5A

Oct 7th 2009
Demonstration circuit 1317A-G is an isolated input to high current output 1/8th brick footprint synchronous forward converter featuring the LT®1952 switching controller with Active Reset circuit. The Active Reset circuit can improve the efficiency in wide input voltage applications. Also, the Active Reset allows the implementation ...

Demo Board 

 

DC1317A-C - LT1952EGN-1/LTC3900 Demo Board | Active Reset, Vin=18V-72V Vout=12V @ 10A

Dec 21st 2003
Demonstration circuit 1317A-C is isolated input to high current output 1/8th brick footprint synchronous forward converter featuring the LT®1952 switching controller with Active Reset circuit. The Active Reset circuit can improve the efficiency in wide input voltage applications. Also, the Active Reset allows the implementation ...

Demo Board 

 

DC285A - LTC1695CS5 | SMBus Fan Speed Controller (req. DC1223)

Apr 21st 2000
DC285A - Demo Board for:LTC1695 - SMBus/I2C Fan Speed Controller in SOT-23 ...

Demo Board 

 

DC192A - LT1684CS | TELCOM Ring Tone Generator, +5Vin, 20-REN Output

Mar 24th 1999
DC192A - Demo Board for:LT1684 - Micropower Ring Tone Generator ...

Demo Board 

 

DC102A - LT1336 | 1/2 BRIDGE N-CHANNEL POWER MOSFET DRIVER WITH BOOST REGULATOR

Nov 30th 1995
...

Demo Board 

 

DC227A-C - LT1247CS8 LT1431CS8 | 35W, Isolated Forward Converter, Half Brick, 36 to 72Vin, 5V or 3.3Vout @ 7A, 500V DC Isolation, High Efficiency

Feb 6th 1995
DC227A-C - Demo Board for:LT1247 - 1MHz Off-Line Current Mode PWM and DC/DC Converter ...

Demo Board 

 

DC227A-B - LT1247CS8 LT1431CS8 | 35W, Isolated Forward Converter, Half Brick, 36 to 72Vin, 5V or 3.3Vout @ 7A, 1500V DC Isolation

Feb 6th 1995
DC227A-B - Demo Board for:LT1247 - 1MHz Off-Line Current Mode PWM and DC/DC Converter ...

Demo Board 

 

DC227A-A - LT1247CS8 LT1431CS8 | 35W, Isolated Forward Converter, Half Brick, 36 to 72Vin, 5V or 3.3Vout @ 7A, 500V DC Isolation

Feb 6th 1995
DC227A-A - Demo Board for:LT1247 - 1MHz Off-Line Current Mode PWM and DC/DC Converter ...

Demo Board 

 

DC012A - LT1103CT7 | OFFLINE POWER SUPPLY EVALUATION BOX

May 26th 1992
...

Demo Board