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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 

 

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 

 

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 

 

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 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 

 

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 

 

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