Solutions Search - LED Driver Support Functions
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 ...
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. ...
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 ...
8-Switch Matrix LED Dimmer Simplifies Complex LED Matrix Designs
Dec 9th 2015
MILPITAS, CA - December 9, 2015 - Linear Technology Corporation
announces the LT3965,
a LED bypass switching device that enables independent dimming and
diagnostics of eight individual LEDs or LED segments. The LT3965
works in conjunction with a LED driver circuit configured as a
current source. It features eight individually ...
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 ...
DC1552A - LT8500EUHH/LT3595AEUHH Demo Board | 48-Channel LED Driver (3x LT3595A) with PWM Generator (LT8500) and Serial Interface
Jan 25th 2012
Demonstration circuit 1552 showcases the LT8500, a 48-channel PWM generator and serial interface. It operates from a 30V to 45V input power supply and drives 48 channels of LED strings at 30mA and up to 32V each, although it can be adjusted for 50mA per string. The LT8500 drives 48 PWM channels that are tied directly to the ...
48-Channel PWM Generator with 12-Bit Resolution Dynamically Controls LEDs or Provides 48 DAC Outputs
Aug 1st 2011
MILPITAS, CA – August 1, 2011 – Linear Technology announces the
LT8500, a pulse width
modulation (PWM) generator with 48 independent channels. Each
channel has an individually adjustable 12-bit (4,096 steps) PWM
register and a 6-bit (64 step) ±50% correction register. All
controls are programmable via a simple TTL/CMOS ...
DC994A - LT3003EMSE Demo Board
Feb 13th 2007
DC994A - Demo Board for:LT3003 - 3-Channel LED Ballaster with PWM
...
3-Channel LED Ballaster Provides 3000:1 Dimming Capability for up to 24 LEDs
Dec 14th 2006
MILPITAS, CA - December 14, 2006 - Linear Technology announces the LT3003, a LED ballaster that drives three separate strings of LEDs with 3% accurate current matching, delivering uniform LED brightness. The LT3003 is capable of driving up to 24 LEDs at 350mA each, three strings of 8 LEDs each, making it ideal for backlighting ...
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