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Solutions Search - Step-Down (Buck) LED Drivers

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. ...

Circuit 

 

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. ...

Circuit 

 

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. ...

Circuit 

 

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. ...

Circuit 

 

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. ...

Circuit 

 

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 between ...

Circuit 

 

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 200kHz ...

Circuit 

 

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 200kHz ...

Circuit 

 

LT3744 Boost Mode 3A LED Driver with 98% Efficiency

Sep 9th 2016
The LT®3744 is a fixed frequency synchronous step-down DC/DC controller designed to drive a LED load at up to 20A continuous or 40A pulsed. The peak current mode controller will maintain ±3% LED current regulation over a wide output voltage range, from VEE to VIN. By allowing VEE to float to negative voltages, several ...

Circuit 

 

LT3474 Step-Down 1A LED Driver with PWM Dimming

Sep 9th 2016
The LT3474/LT3474-1 are fixed frequency step-down DC/DC converters designed to operate as constant-current sources. An internal sense resistor monitors the output current allowing accurate current regulation, ideal for driving high current LEDs. High output current accuracy is maintained over a wide current range, from 35mA ...

Circuit 

 

LT3474 Step-Down 1A LED Driver with Two Series Connected LED Output

Sep 9th 2016
The LT3474/LT3474-1 are fixed frequency step-down DC/DC converters designed to operate as constant-current sources. An internal sense resistor monitors the output current allowing accurate current regulation, ideal for driving high current LEDs. High output current accuracy is maintained over a wide current range, from 35mA ...

Circuit 

 

LT3474 Step-Down 1A LED Driver with Four Series Connected LED Output

Sep 9th 2016
The LT3474/LT3474-1 are fixed frequency step-down DC/DC converters designed to operate as constant-current sources. An internal sense resistor monitors the output current allowing accurate current regulation, ideal for driving high current LEDs. High output current accuracy is maintained over a wide current range, from 35mA ...

Circuit 

 

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 ...

Circuit 

 

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 ...

Circuit 

 

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 ...

Circuit 

 

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 ...

Circuit 

 

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 ...

Circuit 

 

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 ...

Circuit 

 

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 ...

Circuit 

 

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 ...

Circuit 

 

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 ...

Circuit 

 

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 ...

Circuit 

 

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 ...

Circuit 

 

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 ...

Circuit 

 

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 ...

Circuit 

 

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 ...

Circuit 

 

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. ...

Circuit 

 

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. ...

Circuit 

 

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. ...

Circuit 

 

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. ...

Circuit 

 

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 of ...

Circuit 

 

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 of ...

Circuit 

 

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 of ...

Circuit 

 

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 of ...

Circuit 

 

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 of ...

Circuit 

 

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 of ...

Circuit 

 

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 of ...

Circuit 

 

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 of ...

Circuit 

 

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 of ...

Circuit 

 

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 ...

Circuit 

 

LTM8040 Step Down 1A Drive with Single Red or White LED

Sep 2nd 2016
The LTM8040 is a fixed frequency 1A step-down DC/DC μModule (power module) regulator designed to operate as a constant current source. Internal circuitry monitors the output current to provide accurate current regulation, which is ideal for driving high current LEDs. High output current accuracy is maintained over a wide ...

Circuit 

 

LTM8040 Step Down 350mA Drive with Three Series Red LEDs

Sep 2nd 2016
The LTM8040 is a fixed frequency 1A step-down DC/DC μModule (power module) regulator designed to operate as a constant current source. Internal circuitry monitors the output current to provide accurate current regulation, which is ideal for driving high current LEDs. High output current accuracy is maintained over a wide ...

Circuit 

 

LTM8040 Step Down 1A Drive with Four Series Red LEDs

Sep 2nd 2016
The LTM8040 is a fixed frequency 1A step-down DC/DC μModule (power module) regulator designed to operate as a constant current source. Internal circuitry monitors the output current to provide accurate current regulation, which is ideal for driving high current LEDs. High output current accuracy is maintained over a wide ...

Circuit 

 

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 ...

Circuit 

 

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 ...

Circuit 

 

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 ...

Circuit 

 

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 ...

Circuit 

 

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 ...

Circuit 

 

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. ...

Circuit 

 

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. ...

Circuit 

 

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 ...

Circuit 

 

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 ...

Circuit 

 

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 ...

Circuit 

 

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 ...

Circuit 

 

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 ...

Circuit 

 

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 ...

Circuit 

 

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 ...

Circuit 

 

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 ...

Circuit 

 

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 ...

Circuit 

 

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 ...

Circuit 

 

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 ...

Circuit 

 

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 ...

Circuit 

 

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 ...

Circuit 

 

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 ...

Circuit 

 

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 fixed ...

Circuit 

 

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 fixed ...

Circuit 

 

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 fixed ...

Circuit 

 

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 fixed ...

Circuit 

 

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 fixed ...

Circuit 

 

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 fixed ...

Circuit 

 

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 several ...

Circuit 

 

LT3763 3.3A, Six-Cell (36V) SLA Battery Charger

Jan 9th 2015
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 ...

Circuit 

 

LT3741 10A Single-Cell Lithium-Ion Battery Charger

Jan 9th 2015
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 ...

Circuit 

 

LT8613 5V Step-Down Converter with 6A Output Current Limit

Jan 9th 2015
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 ...

Circuit LTspice 

 

LT8613 5-42Vin, 5A CCCV Li-Ion Battery Charger

Jan 9th 2015
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 ...

Circuit 

 

LT8613 –3.3V Negative Converter with 2A Output Current Limit

Jan 9th 2015
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 ...

Circuit 

 

LT8613 12V Step-Down with 5A Output Current Limit

Jan 9th 2015
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 ...

Circuit 

 

LT8613 2MHz, 3.3V Step-Down with Power Good without Current Sense

Jan 9th 2015
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 ...

Circuit 

 

LT8613 1V Step-Down with 5A Output Current Limit

Jan 9th 2015
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 ...

Circuit 

 

LT8613 Coincident Tracking Step-Downs Each with 5A Output Current Limit

Jan 9th 2015
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 ...

Circuit 

 

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