Solutions Search - Buck-Boost LED Drivers
Low EMI LED Driver with Synchronous Internal 2A Switches
Nov 17th 2016
The LT3922 40V, synchronous, Silent Switcher low EMI LED driver meets the demands of the next generation of LED systems.
These LED drivers require more features and higher performance than ever before. Higher efficiency prolongs battery life and reduces heat in space-constrained applications. Wide voltage ranges are needed ...
Low EMI LED Driver Features 2A, 40V, Integrated, Synchronous Switches for Automotive Lighting
Oct 12th 2016
Design Note DN557: Introduction
The breadth of LED applications has grown to encompass everything from general lighting to automotive, industrial and test equipment, sign boards and safety instruments. Feature requirements for LED drivers have become more extensive. The latest LED solutions require drivers that are compact, ...
3A, 1MHz Buck Mode LED Driver with Integrated Voltage Limiting
Oct 3rd 2016
Design Note DN556: Introduction
The LT3952 monolithic LED driver includes a 4A, 60V DMOS power switch, excellent for driving high current LEDs in buck mode. Among its many features is an input current sense amplifier, which can be leveraged to provide built-in LED voltage limiting in buck mode.
In buck mode, the ...
36V, 2A Monolithic Synchronous Step-Up Silent Switcher LED Driver
Sep 19th 2016
MILPITAS, CA – September 19, 2016 – The LT3922 is a monolithic, synchronous, step-up DC/DC converter with internal 40V, 2A power switches and an internal PWM generator. Its fixed frequency peak current mode control accurately regulates current within ±2% for a string of LEDs up to 34V. Its integrated PWM generator ...
LT3517 Buck Mode 1A LED Driver
Sep 13th 2016
The LT3517 is a current mode DC/DC converter with an internal 1.5A, 45V switch specifically designed to drive LEDs. The LT3517 operates as a LED driver in boost, buck mode and buck-boost mode. It combines a traditional voltage loop and a unique current loop to operate as a constant-current source or constant-voltage source. ...
LT3517 350mA, 5V to 12V Boost Converter with Accurate Input Current Limit
Sep 13th 2016
The LT3517 is a current mode DC/DC converter with an internal 1.5A, 45V switch specifically designed to drive LEDs. The LT3517 operates as a LED driver in boost, buck mode and buck-boost mode. It combines a traditional voltage loop and a unique current loop to operate as a constant-current source or constant-voltage source. ...
LT3517 Low Side current Sensing Load Dump Protected Buck-Boost Mode LED Driver
Sep 13th 2016
The LT3517 is a current mode DC/DC converter with an internal 1.5A, 45V switch specifically designed to drive LEDs. The LT3517 operates as a LED driver in boost, buck mode and buck-boost mode. It combines a traditional voltage loop and a unique current loop to operate as a constant-current source or constant-voltage source. ...
LT3517 Boost 100mA LED Driver with LED Open Protection
Sep 13th 2016
The LT3517 is a current mode DC/DC converter with an internal 1.5A, 45V switch specifically designed to drive LEDs. The LT3517 operates as a LED driver in boost, buck mode and buck-boost mode. It combines a traditional voltage loop and a unique current loop to operate as a constant-current source or constant-voltage source. ...
LT3517 5.5V SEPIC Convener with Short-Circuit Protection
Sep 13th 2016
The LT3517 is a current mode DC/DC converter with an internal 1.5A, 45V switch specifically designed to drive LEDs. The LT3517 operates as a LED driver in boost, buck mode and buck-boost mode. It combines a traditional voltage loop and a unique current loop to operate as a constant-current source or constant-voltage source. ...
LT3476 5V to 25V Buck-Boost Mode Driver for 2 Series 350mA LEDs
Sep 12th 2016
The LT3476 is a quad output DC/DC converter designed to operate as a constant-current source for driving high current LEDs. A fixed frequency, current mode architecture results in stable operation over a wide range of supply and output voltages. A frequency adjust pin allows the user to program switching frequency ...
LT3476 Buck Mode 100W Quad 1A × 8 LED Driver
Sep 12th 2016
The LT3476 is a quad output DC/DC converter designed to operate as a constant-current source for driving high current LEDs. A fixed frequency, current mode architecture results in stable operation over a wide range of supply and output voltages. A frequency adjust pin allows the user to program switching frequency between ...
LT3476 Quad Boost 200mA × 8LED Driver
Sep 12th 2016
The LT3476 is a quad output DC/DC converter designed to operate as a constant-current source for driving high current LEDs. A fixed frequency, current mode architecture results in stable operation over a wide range of supply and output voltages. A frequency adjust pin allows the user to program switching frequency between ...
LT3478 15W, 6 LEDs at 700mA, Boost LED Driver
Sep 9th 2016
The LT3478-1 reduces external component count and cost by integrating the LED current sense resistor. The LT3478 uses an external sense resistor to extend the maximum programmable LED current beyond 1A and also to achieve greater accuracy when programming low LED currents. Operating frequency can be set with an external resistor ...
LT3478 17W, 15 LEDs at 350mA, Boost LED Driver plus LT3003
Sep 9th 2016
The LT3478-1 reduces external component count and cost by integrating the LED current sense resistor. The LT3478 uses an external sense resistor to extend the maximum programmable LED current beyond 1A and also to achieve greater accuracy when programming low LED currents. Operating frequency can be set with an external resistor ...
LT3478 16W, 12 LEDs at 350mA, Buck-Boost Mode LED Driver plus LT3003
Sep 9th 2016
The LT3478-1 reduces external component count and cost by integrating the LED current sense resistor. The LT3478 uses an external sense resistor to extend the maximum programmable LED current beyond 1A and also to achieve greater accuracy when programming low LED currents. Operating frequency can be set with an external resistor ...
LT3478 4W, 1 LED at 1A, Buck-Boost Mode LED Driver
Sep 9th 2016
The LT3478-1 reduces external component count and cost by integrating the LED current sense resistor. The LT3478 uses an external sense resistor to extend the maximum programmable LED current beyond 1A and also to achieve greater accuracy when programming low LED currents. Operating frequency can be set with an external resistor ...
LT3478 24W, 4 LEDs at 1.5A, Buck Mode LED Driver
Sep 9th 2016
The LT3478-1 reduces external component count and cost by integrating the LED current sense resistor. The LT3478 uses an external sense resistor to extend the maximum programmable LED current beyond 1A and also to achieve greater accuracy when programming low LED currents. Operating frequency can be set with an external resistor ...
LT3478 6W, 6 LEDs at 250mA, Boost LED Driver
Sep 9th 2016
The LT3478-1 reduces external component count and cost by integrating the LED current sense resistor. The LT3478 uses an external sense resistor to extend the maximum programmable LED current beyond 1A and also to achieve greater accuracy when programming low LED currents. Operating frequency can be set with an external resistor ...
LT3795 Short-Circuit Robust Boost LED Driver with Input Current Limit and Spread Spectrum Frequency Modulation
Sep 8th 2016
The LT®3795 is a DC/DC controller designed to regulate a constant-current or constant-voltage and is ideal for driving LEDs. It drives a low side external N-channel power MOSFET from an internal regulated 7.7V supply. The fixed frequency and current mode architecture result in stable operation over a wide range of supply ...
LT3795 SEPIC LED Driver with Input Current Limit
Sep 8th 2016
The LT®3795 is a DC/DC controller designed to regulate a constant-current or constant-voltage and is ideal for driving LEDs. It drives a low side external N-channel power MOSFET from an internal regulated 7.7V supply. The fixed frequency and current mode architecture result in stable operation over a wide range of supply ...
LT3795 Buck Mode LED Driver
Sep 8th 2016
The LT®3795 is a DC/DC controller designed to regulate a constant-current or constant-voltage and is ideal for driving LEDs. It drives a low side external N-channel power MOSFET from an internal regulated 7.7V supply. The fixed frequency and current mode architecture result in stable operation over a wide range of supply ...
LT3795 Buck Mode LED Driver with 3000:1 PWM Dimming
Sep 8th 2016
The LT®3795 is a DC/DC controller designed to regulate a constant-current or constant-voltage and is ideal for driving LEDs. It drives a low side external N-channel power MOSFET from an internal regulated 7.7V supply. The fixed frequency and current mode architecture result in stable operation over a wide range of supply ...
LT3518 Buck Mode 1.5A LED Driver
Sep 8th 2016
The LT3518 is a current mode DC/DC converter with an internal 2.3A, 45V switch specifically designed to drive LEDs. The LT3518 operates as a LED driver in boost, buck mode and buck-boost mode. It combines a traditional voltage loop and a unique current loop to operate as a constant-current source or constant-voltage source. ...
LT3518 Buck-Boost Mode LED Driver
Sep 8th 2016
The LT3518 is a current mode DC/DC converter with an internal 2.3A, 45V switch specifically designed to drive LEDs. The LT3518 operates as a LED driver in boost, buck mode and buck-boost mode. It combines a traditional voltage loop and a unique current loop to operate as a constant-current source or constant-voltage source. ...
LT3518 Buck Mode 1A LED Driver with Open LED Protection and Sync Input
Sep 8th 2016
The LT3518 is a current mode DC/DC converter with an internal 2.3A, 45V switch specifically designed to drive LEDs. The LT3518 operates as a LED driver in boost, buck mode and buck-boost mode. It combines a traditional voltage loop and a unique current loop to operate as a constant-current source or constant-voltage source. ...
LT3518 Boost 300mA LED Driver with LED Open Protection
Sep 8th 2016
The LT3518 is a current mode DC/DC converter with an internal 2.3A, 45V switch specifically designed to drive LEDs. The LT3518 operates as a LED driver in boost, buck mode and buck-boost mode. It combines a traditional voltage loop and a unique current loop to operate as a constant-current source or constant-voltage source. ...
LT3755 20W SEPIC LED Driver
Sep 6th 2016
The LT3755, LT3755-1 and LT3755-2 are DC/DC controllers designed to operate as a constant-current source for driving high current LEDs. They drive a low side external N-channel power MOSFET from an internal regulated 7.15V supply. The fixed frequency, current mode architecture results in stable operation over a wide range ...
LT3755 Buck Mode 1.4A LED Driver
Sep 6th 2016
The LT3755, LT3755-1 and LT3755-2 are DC/DC controllers designed to operate as a constant-current source for driving high current LEDs. They drive a low side external N-channel power MOSFET from an internal regulated 7.15V supply. The fixed frequency, current mode architecture results in stable operation over a wide range ...
LT3755 Buck Mode 500mA LED Driver for 20kHz PWM Dimming
Sep 6th 2016
The LT3755, LT3755-1 and LT3755-2 are DC/DC controllers designed to operate as a constant-current source for driving high current LEDs. They drive a low side external N-channel power MOSFET from an internal regulated 7.15V supply. The fixed frequency, current mode architecture results in stable operation over a wide range ...
LT3755 21W Buck-Boost Mode with 250:1 PWM Dimming and Open LED Protection
Sep 6th 2016
The LT3755, LT3755-1 and LT3755-2 are DC/DC controllers designed to operate as a constant-current source for driving high current LEDs. They drive a low side external N-channel power MOSFET from an internal regulated 7.15V supply. The fixed frequency, current mode architecture results in stable operation over a wide range ...
LT3755 Buck-Boost LED Driver for Automotive
Sep 6th 2016
The LT3755, LT3755-1 and LT3755-2 are DC/DC controllers designed to operate as a constant-current source for driving high current LEDs. They drive a low side external N-channel power MOSFET from an internal regulated 7.15V supply. The fixed frequency, current mode architecture results in stable operation over a wide range ...
LT3756 30W White LED Headlamp Driver with Thermal Derating
Sep 6th 2016
The LT3756, LT3756-1 and LT3756-2 are DC/DC controllers designed to operate as a constant-current source for driving high current LEDs. They drive a low side external N-channel power MOSFET from an internal regulated 7.15V supply. The fixed frequency, current-mode architecture results in stable operation over a wide range ...
LT3756 Buck-Boost Mode LED Driver
Sep 6th 2016
The LT3756, LT3756-1 and LT3756-2 are DC/DC controllers designed to operate as a constant-current source for driving high current LEDs. They drive a low side external N-channel power MOSFET from an internal regulated 7.15V supply. The fixed frequency, current-mode architecture results in stable operation over a wide range ...
LT3756 90% Efficient, 20W SEPIC LED Driver
Sep 6th 2016
The LT3756, LT3756-1 and LT3756-2 are DC/DC controllers designed to operate as a constant-current source for driving high current LEDs. They drive a low side external N-channel power MOSFET from an internal regulated 7.15V supply. The fixed frequency, current-mode architecture results in stable operation over a wide range ...
LT3756 Buck Mode 1A LED Driver with High Dimming Ratio and Open LED Reporting
Sep 6th 2016
The LT3756, LT3756-1 and LT3756-2 are DC/DC controllers designed to operate as a constant-current source for driving high current LEDs. They drive a low side external N-channel power MOSFET from an internal regulated 7.15V supply. The fixed frequency, current-mode architecture results in stable operation over a wide range ...
LTM8042 Boost Operation, Driving 6 White LEDs at 1A
Sep 2nd 2016
The LTM8042 is a complete μModule (power module) Boost LED Driver specifically designed to drive LEDs up to 1A, while the LTM8042-1 drives up to 350mA. It combines a boost power topology with a unique current loop to operate as a constant-current source. The PWM input provides as much as 3000:1 LED dimming, while 10:1 analog ...
LTM8042 Boost Operation, Driving 9 White LEDs at 100mA
Sep 2nd 2016
The LTM8042 is a complete μModule (power module) Boost LED Driver specifically designed to drive LEDs up to 1A, while the LTM8042-1 drives up to 350mA. It combines a boost power topology with a unique current loop to operate as a constant-current source. The PWM input provides as much as 3000:1 LED dimming, while 10:1 analog ...
LTM8042 Buck-Boost Mode, Driving 5 White LEDs at 500mA with PWM Dimming
Sep 2nd 2016
The LTM8042 is a complete μModule (power module) Boost LED Driver specifically designed to drive LEDs up to 1A, while the LTM8042-1 drives up to 350mA. It combines a boost power topology with a unique current loop to operate as a constant-current source. The PWM input provides as much as 3000:1 LED dimming, while 10:1 analog ...
LTM8042 Buck Mode, Driving 4 White LEDs at 1A
Sep 2nd 2016
The LTM8042 is a complete μModule (power module) Boost LED Driver specifically designed to drive LEDs up to 1A, while the LTM8042-1 drives up to 350mA. It combines a boost power topology with a unique current loop to operate as a constant-current source. The PWM input provides as much as 3000:1 LED dimming, while 10:1 analog ...
LTM8042 Boost Operation, Driving 9 Red LEDs at 350mA with Analog Dimming
Sep 2nd 2016
The LTM8042 is a complete μModule (power module) Boost LED Driver specifically designed to drive LEDs up to 1A, while the LTM8042-1 drives up to 350mA. It combines a boost power topology with a unique current loop to operate as a constant-current source. The PWM input provides as much as 3000:1 LED dimming, while 10:1 analog ...
LT3965 Matrix LED Dimmer Powered by a Dual Buck Mode LED Driver with a Boost Pre-Regulator
Sep 2nd 2016
The LT®3965 is an LED bypass switching device for dimming individual LEDs in a string using a common current source. It features eight individually controlled floating source 17V/330mΩ NMOS switches. The eight switches can be connected in parallel and/or in series to bypass current around one or more LEDs in a string. ...
LT3965 Matrix LED Dimmer Powered by a Boost-Buck LED Driver
Sep 2nd 2016
The LT®3965 is an LED bypass switching device for dimming individual LEDs in a string using a common current source. It features eight individually controlled floating source 17V/330mΩ NMOS switches. The eight switches can be connected in parallel and/or in series to bypass current around one or more LEDs in a string. ...
LT8391 98% Efficient 50W (25V 2A) Buck-Boost LED Driver
Sep 2nd 2016
The LT®8391 is a synchronous 4-switch buck-boost LED controller that regulates LED current from input voltage above, below, or equal to the output voltage. The proprietary peak-buck peak-boost current mode control scheme allows adjustable and synchronizable 150kHz to 650kHz fixed frequency operation, or internal ±15% ...
LT8391 95% Efficient 12W (12V 1A) Buck-Boost LED Driver with Dual Package MOSFETs
Sep 2nd 2016
The LT®8391 is a synchronous 4-switch buck-boost LED controller that regulates LED current from input voltage above, below, or equal to the output voltage. The proprietary peak-buck peak-boost current mode control scheme allows adjustable and synchronizable 150kHz to 650kHz fixed frequency operation, or internal ±15% ...
LT8391 93% Efficient 84W Buck-Boost LED Driver from 24VAC
Sep 2nd 2016
The LT®8391 is a synchronous 4-switch buck-boost LED controller that regulates LED current from input voltage above, below, or equal to the output voltage. The proprietary peak-buck peak-boost current mode control scheme allows adjustable and synchronizable 150kHz to 650kHz fixed frequency operation, or internal ±15% ...
LT8391 98% Efficient 100W (33.3V 3A) Buck-Boost LED Driver
Sep 2nd 2016
The LT®8391 is a synchronous 4-switch buck-boost LED controller that regulates LED current from input voltage above, below, or equal to the output voltage. The proprietary peak-buck peak-boost current mode control scheme allows adjustable and synchronizable 150kHz to 650kHz fixed frequency operation, or internal ±15% ...
LT3922 Low EMI 400kHz, 96°/o Eificient 10W (30V, 333mA) Boost LED Driver with SSFM
Aug 31st 2016
The LT3922 is a monolithic, synchronous, step-up DC/DC converter that utilizes fixed-frequency, peak current control and provides PWM dimming for a string of LEDs. The LED current is programmed by an analog voltage or the duty cycle of pulses at the CTRL pin. The LT3922 will maintain ±2% current regulation through an ...
LT3922 500mA Boost LED Driver Using Pulse Duty Cycle CTRL Input
Aug 31st 2016
The LT3922 is a monolithic, synchronous, step-up DC/DC converter that utilizes fixed-frequency, peak current control and provides PWM dimming for a string of LEDs. The LED current is programmed by an analog voltage or the duty cycle of pulses at the CTRL pin. The LT3922 will maintain ±2% current regulation through an ...
LT3922 2MHZ, 95% Efficient 15W (15V, 1A) Buck Mode LED Driver
Aug 31st 2016
The LT3922 is a monolithic, synchronous, step-up DC/DC converter that utilizes fixed-frequency, peak current control and provides PWM dimming for a string of LEDs. The LED current is programmed by an analog voltage or the duty cycle of pulses at the CTRL pin. The LT3922 will maintain ±2% current regulation through an ...
LT3922 500mA, 5V to 12V Boost Convener with Accurate Input Current Limit
Aug 31st 2016
The LT3922 is a monolithic, synchronous, step-up DC/DC converter that utilizes fixed-frequency, peak current control and provides PWM dimming for a string of LEDs. The LED current is programmed by an analog voltage or the duty cycle of pulses at the CTRL pin. The LT3922 will maintain ±2% current regulation through an ...
LT3922 Low EMI 2MHZ, 333mA Boost LED Driver with SSFM
Aug 31st 2016
The LT3922 is a monolithic, synchronous, step-up DC/DC converter that utilizes fixed-frequency, peak current control and provides PWM dimming for a string of LEDs. The LED current is programmed by an analog voltage or the duty cycle of pulses at the CTRL pin. The LT3922 will maintain ±2% current regulation through an ...
DC780B - LT1618 Demo Board | CC/CV Boost, 3.3V ≤ VIN ≤ 4.2V, Vout = 12V@250mA(CV) or 3.5V@500mA(CC)
Jul 25th 2016
Demonstration circuit 780B is a Constant-Current Constant- Voltage 1.4MHz Step-up DC/DC Converter featuring the LT ® 1618. DC780B demonstrates a general purpose Boost converter with a 12V, 250mA output from a 3.3V-4.2V source.
The demo board can also be used as an LED driver, where a Luxeon LED (not installed), is driven ...
DC2345A - LT8391EFE Demo Board | Sync Buck-Boost LED Driver, 4V ≤ VIN ≤ 60V, VLED = 25V @ 2A
May 9th 2016
Demonstration circuit 2345A is a 60V synchronous 4-switch buck-boost LED controller with spread spectrum featuring the LT®8391 LED driver. It accepts an input voltage from 4V to 60V and drives a single string of LEDs up to 25V at 2A. DC2345A runs at 400kHz switching frequency without spread spectrum, but spread spectrum ...
60V, Synchronous 4-Switch Buck-Boost LED Driver with Spread Spectrum
Apr 6th 2016
MILPITAS, CA - April 6, 2016 - Linear Technology announces the
LT8391, a synchronous
buck-boost DC/DC LED controller that regulates LED current from
input voltages above, below and equal to the output voltage. Its 4V
to 60V input voltage range makes it ideal for a wide variety of
applications, including automotive, industrial ...
LT8391 97% Efficient 8A Buck-Boost SLA Battery Charger
Mar 10th 2016
The LT®8391 is a synchronous 4-switch buck-boost LED controller that regulates LED current from input voltage above, below, or equal to the output voltage. The proprietary peak-buck peak-boost current mode control scheme allows adjustable and synchronizable 150kHz to 650kHz fixed frequency operation, or internal ±15% ...
DC2218A - LT3965EFE/LT3797 Demo Board | 2-String Buck LED Driver with Matrix LED Dimmer; 9V ≤ VIN ≤ 30V, Up to 30VLED @ 500mA (8 LEDs/String)
Dec 16th 2015
Demonstration circuit DC2218A is a matrix LED dimmer system featuring the LT3965 8-switch matrix LED dimmer IC. There are 16 500mA LEDs that can be individually turned on, off, or PWM dimmed with two 8-switch LED dimmer LT3965 ICs. The two strings of LEDs are driven with two buck LED driver outputs of the LT3797 triple LED controller ...
60V 8-Switch Matrix LED Dimmer
Nov 10th 2015
LEDs are being used in current luxury model automotive headlights. Future automotive headlight designs include more powerful LEDs, more LEDs, and highly animated and multifunctional LED strings. These “matrix” LED headlights have the ability to change brightness and patterns. They allow control of individual LEDs ...
Spread Spectrum Frequency Modulation Reduces EMI
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 ...
LT3952 Short-Circuit Robust Boost LED Driver with Spread Spectrum Frequency Modulation
Sep 8th 2015
The LT®3952 is a current mode step-up DC/DC converter with an internal, 60V, 80mΩ DMOS power switch. The LT3952 is specifically designed to drive high power LEDs in multiple configurations. It combines input and output current regulation loops with output voltage regulation to operate as a flexible current/voltage ...
LT3952 SEPIC LED Driver with Input Current Limit
Sep 8th 2015
The LT®3952 is a current mode step-up DC/DC converter with an internal, 60V, 80mΩ DMOS power switch. The LT3952 is specifically designed to drive high power LEDs in multiple configurations. It combines input and output current regulation loops with output voltage regulation to operate as a flexible current/voltage ...
LT3952 2MHz Boost LED Driver with 4000:1 PWM Dimming and Overvoltage Protection
Sep 8th 2015
The LT®3952 is a current mode step-up DC/DC converter with an internal, 60V, 80mΩ DMOS power switch. The LT3952 is specifically designed to drive high power LEDs in multiple configurations. It combines input and output current regulation loops with output voltage regulation to operate as a flexible current/voltage ...
LT3952 3MHz Buck-Boost LED Driver with Internal PWM Dimming and Fade Start
Sep 8th 2015
The LT®3952 is a current mode step-up DC/DC converter with an internal, 60V, 80mΩ DMOS power switch. The LT3952 is specifically designed to drive high power LEDs in multiple configurations. It combines input and output current regulation loops with output voltage regulation to operate as a flexible current/voltage ...
LT3952 3A Buck Mode LED Driver
Sep 8th 2015
The LT®3952 is a current mode step-up DC/DC converter with an internal, 60V, 80mΩ DMOS power switch. The LT3952 is specifically designed to drive high power LEDs in multiple configurations. It combines input and output current regulation loops with output voltage regulation to operate as a flexible current/voltage ...
LT3761 94% Efficient Boost LED Driver for Automotive Headlamp with 25:1 PWM Dimming
Sep 3rd 2015
The LT®3761 is a DC/DC controller designed to operate as a constant-current source and constant-voltage regulator. It features a programmable internal PWM dimming signal. The LT3761 is ideally suited for driving high current LEDs, but also has features to make it suitable for charging batteries and supercapacitors. The ...
LT3761 40W SEPIC LED Driver
Sep 3rd 2015
The LT®3761 is a DC/DC controller designed to operate as a constant-current source and constant-voltage regulator. It features a programmable internal PWM dimming signal. The LT3761 is ideally suited for driving high current LEDs, but also has features to make it suitable for charging batteries and supercapacitors. The ...
LT3761 10W Grounded Anode Inverting LED Driver
Sep 3rd 2015
The LT®3761 is a DC/DC controller designed to operate as a constant-current source and constant-voltage regulator. It features a programmable internal PWM dimming signal. The LT3761 is ideally suited for driving high current LEDs, but also has features to make it suitable for charging batteries and supercapacitors. The ...
LT3761 Boost LED Driver for 30kHz PWM Dimming
Sep 3rd 2015
The LT®3761 is a DC/DC controller designed to operate as a constant-current source and constant-voltage regulator. It features a programmable internal PWM dimming signal. The LT3761 is ideally suited for driving high current LEDs, but also has features to make it suitable for charging batteries and supercapacitors. The ...
LT3761 Buck Mode 5A LED Driver for 40kHz PWM Dimming
Sep 3rd 2015
The LT®3761 is a DC/DC controller designed to operate as a constant-current source and constant-voltage regulator. It features a programmable internal PWM dimming signal. The LT3761 is ideally suited for driving high current LEDs, but also has features to make it suitable for charging batteries and supercapacitors. The ...
LT3761 80W High Voltage Boost LED Driver with 25:1 Internally Generated PWM Dimming
Sep 3rd 2015
The LT®3761 is a DC/DC controller designed to operate as a constant-current source and constant-voltage regulator. It features a programmable internal PWM dimming signal. The LT3761 is ideally suited for driving high current LEDs, but also has features to make it suitable for charging batteries and supercapacitors. The ...
LT3796 Boost LED Driver for Twin LEDs with Detection and Protection for Faulty LED
Sep 1st 2015
The LT®3796/LT3796-1 are DC/DC controllers designed to regulate a constant-current or constant-voltage and are ideal for driving LEDs. The fixed frequency and current mode architecture result in stable operation over a wide range of supply and output voltages. Two ground referred voltage FB pins serve as the input for ...
DC2361A - LT3952EFE Demo Board | 2MHz LED Driver, 8V ≤ VIN ≤ 28V, IOUT = 330mA at 40V
Jun 8th 2015
Demonstration circuit DC2361A is a 2MHz 60V LED driver with internal 4A switch featuring the LT3952 monolithic LED driver. It accepts an input voltage from 8V to 28V (with transient to 36V) and boosts to a single string of LEDs up to 40V at 330mA. DC2361A features an integrated 4A switch, constant current and constant voltage ...
DC2013A - LT3952EFE Demo Board | CC/CV Boost LED Driver, 5V ≤ VIN ≤ 36V, VLED = VIN up to 50V @ 330mA
Apr 30th 2015
Demonstration Circuit DC2013A is a 60V Boost LED driver with internal 4A switch featuring the LT®3952 monolithic LED driver. It accepts an input voltage from 5V to 36V (with transients to 42V) and boosts to provide power to a single string of up to 50V LEDs at 330mA. DC2013A features an integrated 4A switch, constant-current ...
60V LED Driver with Internal 4A Switch & PWM Generator
Apr 13th 2015
MILPITAS, CA - April 13, 2015 - The LT3952 is a current mode step-up DC/DC
converter with an internal 60V, 4A DMOS power switch. It is
specifically designed to drive high power LEDs in multiple
configurations. It combines input and output current regulation
loops with output voltage regulation to operate as a flexible
current/voltage ...
60V LED Driver with Internal 4A Switch for Automotive Lighting
Mar 31st 2015
LED lighting is an important feature in today’s and future automobile designs. LED lighting is efficient, robust, attractive, and artistic. LED lighting is used in many different ways in a vehicle, namely high and low beam headlights, daytime running lights, signal lighting, brake lights, dashboard displays, heads up ...
LT3955 Solar Panel SEPIC Battery Charger
Nov 10th 2014
The LT®3955 is a DC/DC converter designed to operate as a constant-current source and constant-voltage regulator. It features an internal low side N-channel MOSFET rated for 80V/3.5A. The LT3955 is ideally suited for driving high current LEDs, but also has features to make it suitable for charging batteries and supercapacitors. ...
High Power Three-Channel LED Driver
Oct 27th 2014
Large arrays of LEDs require high power and multi-string LED drivers. When many single channel, high power converters are used in an application, a better solution may be to reduce the cost and number of components by using a single converter with several drivers on the same IC. Eliminating or reducing duplication of features ...
LT3796 SEPIC Sealed Lead Acid (SLA) Battery Charger
Sep 23rd 2014
The LT®3796/LT3796-1 are DC/DC controllers designed to regulate a constant-current or constant-voltage and are ideal for driving LEDs. The fixed frequency and current mode architecture result in stable operation over a wide range of supply and output voltages. Two ground referred voltage FB pins serve as the input for ...
LT1618 USB to 12V Boost Converter (with Selectable 100mA/500mA Input Current Limit)
Sep 12th 2014
The LT1618 step-up DC/DC converter combines a traditional voltage feedback loop and a unique current feedback loop to operate as a constant-current, constant-voltage source. This fixed frequency, current mode switcher operates from a wide input voltage range of 1.6V to 18V, and the high switching frequency of 1.4MHz permits ...
LT3796 SEPIC LED Driver with 100:1 Analog Dimming
Aug 25th 2014
The LT®3796/LT3796-1 are DC/DC controllers designed to regulate a constant-current or constant-voltage and are ideal for driving LEDs. The fixed frequency and current mode architecture result in stable operation over a wide range of supply and output voltages. Two ground referred voltage FB pins serve as the input for ...
DC1784A - LT3797EUKG Demo Board | Triple Boost LED Driver, 2.5V ≤ VIN ≤ 40VIN, 50VLED @ 1A (x3)
Jan 21st 2014
DC1784A is a triple boost LED driver featuring the LT3797 triple boost LED controller. It accepts an input voltage from 2.5V to 40V (with higher transient) and drives three independent strings of up to 50V LEDs at 1A. DC1784A features independent PWM and analog dimming of each of the three LED strings. Each of the three channels ...
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