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Solutions Search - Cable Drop Compensatin & Virtual Remote Sense

40VIN, 2.1A Rail-to-Rail LDO+ Now Offered in High Temp, 150°C H-Grade in TSSOP Package

Sep 22nd 2016
MILPITAS, CA – September 22, 2016 – Linear Technology Corporation announces a new higher temperature “H-grade” version of the LT3086 in the TSSOP package. The LT3086 is part of Linear’s feature-rich LDO+™ family, offering significant functionality previously unavailable in linear regulators. ...

Press Release 

 

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 

 

LT3090 Two-Terminal Current Source

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 

 

LT3090 500mA LED Driver with Grounded LED Tab (Heatsink)

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 

 

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 reference ...

Video 

 

Shutdown with the LT3080x Current Source Reference Linear Regulators

Kevin B. Scott - Senior Strategic Marketing Engineer
Tony Bonte - Design Manager
Jan 21st 2016
Current Source Reference Linear Regulators In many low noise applications, a linear regulator is an ideal solution for the power conversion due to its very low output voltage noise and low electromagnetic noise generation (compared to a charge pump or a switching regulator). The LT308x linear regulator family is ideal for these ...

Blog Post 

 

DC2276A - LT3091EDE Demo Board | Negative LDO with Prog Current Limit, -1.5V ≤ VIN ≤ -36V, Vout = -1.25V/-2.5V/-5V/-12V/-15V @ 1.5A

Sep 29th 2015
Demonstration circuit DC2276A is a 1.5A low dropout negative linear regulator featuring the LT®3091. This device is designed for applications requiring a negative output voltage,  output adjustability from -32V down to 0V, and low dropout voltage. The input voltage range is -1.5V to -36V and the output voltage is jumper ...

Demo Board LTspice 

 

1.5A Negative LDO+ Offers Rail-to-Rail Operation, Programmable Current Limit & Output Current Monitor

Sep 21st 2015
MILPITAS, CA - September 21, 2015 - Linear Technology Corporation announces the LT3091, the latest addition to our LDO+™ family, a 1.5A low dropout negative linear regulator featuring low noise, rail-to-rail operation, precision programmable current limit and a bidirectional output current monitor. The device is cable-drop ...

Press Release 

 

LT3091 Parallel Linear Regulators For -10V to -3Vin, -2.5Vout@3A

Aug 28th 2015
The LT®3091 is a 1.5A, low dropout negative linear regulator that is easily paralleled 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 output, ...

Circuit 

 

LT3091 -10V to -3Vin, -2.5Vout@1.5A Negative Output Linear Regulator

Aug 28th 2015
The LT®3091 is a 1.5A, low dropout negative linear regulator that is easily paralleled 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 output, ...

Circuit 

 

LT3091 Floating 3-Terminal Regulator (for Arbitrarily High Voltage Applications)

Aug 28th 2015
The LT®3091 is a 1.5A, low dropout negative linear regulator that is easily paralleled 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 output, ...

Circuit 

 

Paralleling Linear Regulators Made Easy

Kevin B. Scott - Senior Strategic Marketing Engineer May 21st 2015
Linear regulators provide a simple, low noise solution for dc-dc regulation. However, at higher Vin-Vout differentials the low efficiency and high power dissipation of linear regulators limits the ammount of output current that can realistically be delivered.  Connecting multiple linear regulators in parallel spreads the ...

Blog Post 

 

Loop Gain and its Effect on Analog Control Systems

Simon Bramble - Field Applications Engineer
Gabino Alonso - Strategic Marketing Engineer
Jan 26th 2015
Abstract This article brings together the ideas of open loop gain, closed loop gain, gain and phase margin, minimum gain stability and shows how these parameters are interrelated in a feedback system. It examines loop gain in terms of a theoretical control system as well as practical electronic circuits, including linear regulators. Introduction Bob ...

Blog Post LTspice 

 

DC1893A - LT3697EMSE Demo Board | 8V ≤ VIN ≤ 35V; VOUT = 5V @ 2.4A

Nov 3rd 2014
Demonstration circuit 1893A is a USB 5V, 2.4A output, 35V input buck with cable drop compensation featuring the LT®3697. The LT3697 is a step-down switching regulator designed to power 5V USB applications. A precise output voltage and programmable cable drop compensation maintain accurate 5V regulation at the USB socket ...

Demo Board LTspice 

 

5V, 2.5A USB, 35V Input Buck Regulator with Cable Drop Compensation

Oct 9th 2014
MILPITAS, CA - October 9, 2014 - Linear Technology Corporation announces the LT3697, a 35V input capable step-down switching regulator (with 60V transient protection) designed to power 5V USB applications. The LT3697 delivers precise 5V regulation at 2.5A to a remote USB port using programmable cable drop compensation to accurately ...

Press Release 

 

Output Voltage Noise Measurements for Linear Regulators

Kevin B. Scott - Senior Strategic Marketing Engineer
Tony Bonte - Design Manager
Sep 20th 2014
Linear regulators provide a simple, non-switching DC/DC converter solution with low component count, small solution footprint and low output voltage noise. These attributes make them well-suited for applications that have power supply noise constraints, have limited board space and are averse to magnetics. Applications ...

Blog Post LTspice 

 

Control the Voltage of a Remote Load Over Any Length of Copper Wire

Philip Karantzalis - Senior Apps Eng Jul 8th 2014
Introduction A common problem in power distribution systems is loss of regulation due to the cable/wire voltage drop between the regulator and the load. Any increase in wire resistance, cable length or load current increases the voltage drop over the distribution wire, increasing the difference between actual voltage at the ...

Blog Post LTspice 

 

DC2132A - 24V 3A Constant Voltage, Constant Current Bench Supply Featuring LT3081, LT8612, LT3092

May 22nd 2014
DC2132A is a 24V 3A constant voltage, constant current bench supply. It regulates any output voltage from 0V to 24V and any output current from 0A to 3A. It runs from 10V to 40V input although the output voltage should remain 5V or more below the input voltage. ...

Demo Board LTspice 

 

1.5A LDO+ Regulator Monitors Current & Temperature

Robert Dobkin - Chief Technical Officer Feb 5th 2014
LDO+ regulators do more than just regulate. They include monitor and control functions as well as regulation. The LT3081 has a wide safe area, allowing operation with high currents at high input-output differentials. Output voltage is adjustable from from 0 to 37 volts and it withstands reverse voltage. In addition to regulating, ...

Video 

 

2.1A LDO+ Regulator Features Cable Drop Compensation and Monitors Current & Temperature

Robert Dobkin - Chief Technical Officer Feb 5th 2014
This video explores the LT3086, a new member of our LDO+ family. It provides many functions in addition to regulation. It can monitor and externally limit both temperature and output current, has an accurate power good output, and can compensate for wire drops between the regulator and the load. It sources up to 2.1A of output ...

Video 

 

DC1729A - LT3086 Demo Board | Low Dropout Linear Regulator, Monitoring & Cable Drop Compensation, 1.55V ≤ VIN ≤ 40V, Vout = 1.0V/1.2V/1.5V/3.3V/5V/12V @ 2.1A

Jan 11th 2014
Demonstration circuit 1729A is a 2.1A low dropout adjustable linear regulator featuring the LT®3086. The device is designed with multiple features and operates over a wide 1.4V to 40V input supply range. The LT3086 requires only one resistor to set the output voltage from 0.4V to 32V and it is stable with ceramic output ...

Demo Board LTspice 

 

40VIN, 2.1A Rail-to-Rail LDO+ Offers Extensive Monitoring, Protection & Cable Drop Compensation

Dec 18th 2013
MILPITAS, CA – December 18, 2013 – Linear Technology Corporation announces the LT3086, the latest addition to the LDO+™ family, offering significant functionality previously unavailable in linear regulators. The 40V, 2.1A low dropout linear regulator (LDO) includes current monitoring with externally settable current limit ...

Press Release 

 

LT3086 Load Current Monitoring Using Power Good

Dec 3rd 2013
The LT®3086 is a multi-feature, low dropout, low noise 2.1A linear regulator that operates over a 1.4V to 40V input supply range. Dropout voltage at 2.1A is typically 330mV. One resistor sets output voltage from 0.4V to 32V. Output voltage tolerance is guaranteed to ±2% over line, load and temperature. The LT3086 ...

Circuit 

 

LT3086 5V, 2.1A USB Supply with Cable Drop Compensation

Dec 3rd 2013
The LT®3086 is a multi-feature, low dropout, low noise 2.1A linear regulator that operates over a 1.4V to 40V input supply range. Dropout voltage at 2.1A is typically 330mV. One resistor sets output voltage from 0.4V to 32V. Output voltage tolerance is guaranteed to ±2% over line, load and temperature. The LT3086 ...

Circuit 

 

LT3086 Paralleling Two Regulators for 5V, 4.2A

Dec 3rd 2013
The LT®3086 is a multi-feature, low dropout, low noise 2.1A linear regulator that operates over a 1.4V to 40V input supply range. Dropout voltage at 2.1A is typically 330mV. One resistor sets output voltage from 0.4V to 32V. Output voltage tolerance is guaranteed to ±2% over line, load and temperature. The LT3086 ...

Circuit 

 

LT3086 Adjustable Voltage Controlled Current Source

Dec 3rd 2013
The LT®3086 is a multi-feature, low dropout, low noise 2.1A linear regulator that operates over a 1.4V to 40V input supply range. Dropout voltage at 2.1A is typically 330mV. One resistor sets output voltage from 0.4V to 32V. Output voltage tolerance is guaranteed to ±2% over line, load and temperature. The LT3086 ...

Circuit LTspice 

 

LT3086 Paralleling Two Regulators for 5V, 4.2A with Cable Drop Compensation (CDC)

Dec 3rd 2013
The LT®3086 is a multi-feature, low dropout, low noise 2.1A linear regulator that operates over a 1.4V to 40V input supply range. Dropout voltage at 2.1A is typically 330mV. One resistor sets output voltage from 0.4V to 32V. Output voltage tolerance is guaranteed to ±2% over line, load and temperature. The LT3086 ...

Circuit 

 

600mA Negative LDO+ Offers Rail-to-Rail Operation, Programmable Current Limit & Output Current Monitor

Sep 26th 2013
MILPITAS, CA – September 26, 2013 – Linear Technology Corporation announces the LT3090, the newest member of our LDO+™ family, a 600mA low dropout negative linear regulator featuring low noise, rail-to-rail operation, precision programmable current limit and a bidirectional output current monitor. The device is cable-drop compensation ...

Press Release 

 

USB 5V, 2.5A, 42V Input Synchronous Buck with Cable Drop Compensation

Sep 24th 2013
MILPITAS, CA – September 24, 2013 – Linear Technology Corporation announces the LT8697, a 2.5A, 42V input capable synchronous step-down switching regulator designed to power 5V USB applications. The LT8697 delivers precise 5V regulation at a remote USB port using programmable cable drop compensation to accurately correct ...

Press Release 

 

DC1870A - LT3081EFE Demo Board | Single Resistor Rugged Linear Regulator with Monitors, 2.8V ≤ VIN ≤ 36V, Vout = 1.2V/1.5V/1.8V/2.5V/3.3V/5V/12V @ 1.5A

Jul 25th 2013
DC1870A is a 1.5A low dropout linear regulator featuring the LT®3081. The device is designed for rugged industrial applications and can be paralleled for higher output current or heat spreading. Besides paralleling, the LT3081 also presents other features including adjustability to zero VOUT, reverse protection for input ...

Demo Board LTspice 

 

Power USB VBUS in Autos with the LT8697

Trevor Crane - Design Engineer Jul 15th 2013
USB sockets appear in an increasing number of car models as portable devices become more ubiquitous. The USB interface delivers power to portable devices via the 5V VBUS and ground lines. Depending on the USB version and the portable device, the VBUS sources up to 2.1A. In a car, this high VBUS current presents a challenge. ...

Video 

 

LT8697 2MHz 5V Step-Down Converter with Cable Drop Compensation

Jul 9th 2013
The LT®8697 is a compact, high efficiency, high speed synchronous monolithic step-down switching regulator designed to power 5V USB applications. A precise output voltage and programmable cable drop compensation maintain accurate 5V regulation at the USB socket connected to the end of a long cable. Forced continuous operation ...

Circuit LTspice 

 

DC1973A - LT8697 Demo Board | 6V ≤ VIN ≤ 42V, 5V @ 2.5A USB Supply Output, Cable Drop Compensation

Jul 9th 2013
Demonstration circuit 1973A is a USB 5V 2.5A output, 6V to 42V input synchronous buck with cable drop compensation featuring the LT®8697. The LT8697 is a compact, high efficiency, high speed synchronous monolithic step-down switching regulator designed to power 5V USB applications. A precise output voltage and programmable ...

Demo Board 

 

40V, 1.5A Robust Linear Regulator Has Current & Temperature Monitor Outputs

Jun 24th 2013
MILPITAS, CA – June 24, 2013 – Linear Technology Corporation announces the LT3081, a rugged 1.5A wide input voltage range linear regulator with key usability, monitoring and protection features. The device has an extended safe operating area (SOA) compared to existing regulators, making it ideal for high input-to-output ...

Press Release 

 

Using the LT3081 as a Current Source

May 20th 2013
The LT®3081 is a 1.5A low dropout linear regulator designed for rugged industrial applications. Key features of the IC are the extended safe operating area (SOA), output current monitor, temperature monitor and programmable current limit. The LT3081 can be paralleled for higher output current or heat spreading. The device ...

Circuit 

 

LT3081 Using IMON to Compensate for Cable Drops

May 20th 2013
The LT®3081 is a 1.5A low dropout linear regulator designed for rugged industrial applications. Key features of the IC are the extended safe operating area (SOA), output current monitor, temperature monitor and programmable current limit. The LT3081 can be paralleled for higher output current or heat spreading. The device ...

Circuit 

 

LT3081: Wide Safe Operating Area Supply

May 20th 2013
The LT3081 is a 1.5A low dropout linear regulator designed for rugged industrial applications. Key features of the IC are the extended safe operating area (SOA), output current monitor, temperature monitor and programmable current limit. The LT3081 can be paralleled for higher output current or heat spreading. The device withstands ...

Circuit LTspice 

 

LT3081 Wide Safe Operating Area Supply Using Paralleling Regulators

May 20th 2013
The LT®3081 is a 1.5A low dropout linear regulator designed for rugged industrial applications. Key features of the IC are the extended safe operating area (SOA), output current monitor, temperature monitor and programmable current limit. The LT3081 can be paralleled for higher output current or heat spreading. The device ...

Circuit LTspice 

 

Cable Drop Compensator Corrects Remote Load Regulation Errors without Sense Wires

Apr 17th 2013
MILPITAS, CA – April 17, 2013 – Linear Technology Corporation announces the LT6110 cable drop compensator, a new device that improves voltage regulation at remote loads without the need for Kelvin sense wires. The LT6110, a new component for the designer, has been architected for use with most types of voltage regulators ...

Press Release 

 

DC2033A - LT6110 | Cable/Wire Drop Compensator

Apr 16th 2013
DC2033A - Demo Board for:LT6110 - Cable/Wire Drop Compensator ...

Demo Board 

 

LT6110 with Internal RSENSE and LT3975 Buck Regulator at 3.3V

Jul 13th 2012
The LT®6110 is a precision high side current sense with a current mode output, designed for controlling the output voltage of an adjustable power supply or voltage regulator. This can be used to compensate for drops in voltage at a remote load due to resistance in a wire, trace or cable. The LT6110 monitors load current ...

Circuit 

 

DC1504A - LT4180EGN Demo Board u VIN= 8V to 36V, VOUT1 = 5V @ 3A

Aug 9th 2011
DC1504A - Demo Board for:LT4180 - Virtual Remote Sense Controller ...

Demo Board LTspice 

 

LT6110 with External RSENSE and LTC3789 Buck-Boost Regulator at 12V

Dec 1st 2010
The LT®6110 is a precision high side current sense with a current mode output, designed for controlling the output voltage of an adjustable power supply or voltage regulator. This can be used to compensate for drops in voltage at a remote load due to resistance in a wire, trace or cable. The LT6110 monitors load current ...

Circuit 

 

Virtual Remote Sense

Robert Dobkin - Chief Technical Officer Sep 17th 2010
Compensating for unknown wire drops without remote sensing wires is now possible. The LT4180 continuously modulates the power supply output current to interrogate the line drop. Then the output is increased to match the drop providing up to a 50 to 1 improvement in regulation at the load. ...

Video 

 

Virtual Remote Sense Controller Eliminates Remote Sense Wires

Apr 15th 2010
MILPITAS, CA — April 15, 2010 — Linear Technology Corporation announces the LT4180, a Virtual Remote Sense™ DC/DC controller that eliminates the remote sense wires required to compensate for the voltage drop in cables, wires and circuit board trace runs. Voltage drops in wiring and cables that cause load regulation errors ...

Press Release 

 

An Automotive Halogen Headlamp Power Supply

Mar 25th 2010
This circuit example demonstrates using a SEPIC-based automotive halogen headlight power supply that improves bulb reliability while also ensuring optimum illumination. The design maintains 12V at headlight voltage over a 9V to 15V input voltage range. It works well up to 1Ω interconnection resistance. The Virtual Remote Sense ...

Circuit 

 

Isolated Power Supply with Virtual Remote Sense

Mar 25th 2010
The LT4180 solves the problem of providing tight load regulation over long, highly resistive cables without requiring an additional pair of remote sense wires. This Virtual Remote Sense device continuously interrogates the line impedance and corrects the power supply output voltage via its feedback loop to maintain a steady ...

Circuit 

 

LT6110 - Cable/Wire Drop Compensator With LT1965 Linear Regulator

Greg Zimmer - Senior Product Marketing Engineer Aug 7th 2007
Click Here For A Ready To Run LTspice Circuit Demonstration The LT®6110 is a precision high side current sense with a current mode output, designed for controlling the output voltage of an adjustable power supply or voltage regulator. This can be used to compensate for drops in voltage at a remote load due to resistance ...

Circuit LTspice 

 

Wire Loss Compensation Using a Current Referenced LDO

Jul 20th 2007
This circuit shows a cable drop compensation circuit using a current referenced regulator, the LT3080. A precision 10μA set current, ISET, is sourced through two series connected resistors to program the output voltage for the remote load. To compensate for the load connecting cable drop requires sourcing an additional current ...

Circuit LTspice 

 

12V 1.5A Buck Regulator With Virtual Remote Sense

Jun 14th 2007
The LT4180 solves the problem of providing tight load regulation over long, highly resistive cables without requiring an additional pair of remote sense wires. This Virtual Remote Sense device continuously interrogates the line impedance and corrects the power supply output voltage via its feedback loop to maintain a steady ...

Circuit 

 

LT6110 Wire Drop Compensation Circuit if V+ of LT6110 is <2V

Sep 27th 1999
The LT®6110 is a precision high side current sense with a current mode output, designed for controlling the output voltage of an adjustable power supply or voltage regulator. This can be used to compensate for drops in voltage at a remote load due to resistance in a wire, trace or cable. The LT6110 monitors load current ...

Circuit