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2009-08-26 Offline LED driver reference design
This application note presents a reference design for a non-isolated LED driver intended to operate directly from a 400VDC input
2013-07-26 Multi-topology DC/DC LED driver for automotive lighting
The TPS92690 is an N-channel MOSFET controller with low-side current sense provides design flexibility and low electro-magnetic interference.
2011-03-23 LM3444-230VAC, 8W isolated flyback LED driver
This demonstration board highlights the performance of a LM3444 based flyback LED driver solution that can be used to power a single LED string.
2011-03-21 LM3444-120VAC, 8W isolated flyback LED driver
This demonstration board highlights the performance of a LM3444 based flyback LED driver solution that can be used to power a single LED string.
2013-05-16 LED lighting future getting brighter
The combined growth potentials of HB LEDs and high lumen LED lighting systems represent a significant increase in demand from today's deployment rate for both the LEDs themselves and for the LED driver ICs required to drive them
2013-02-04 Intersil unveiled single-ended LED driver controllers
Geared for industrial and commercial lighting systems, the ISL1903 and ISL1904 support single-stage conversion of the AC mains to a constant current source with power factor correction.
2012-01-20 Demo board for LM3448 based flyback LED driver
Read about a demo board that looks into the performance of LM3448 based flyback LED driver solution.
2014-06-11 Techniques for enabling dimmable LED bulbs
Many LED lamps are advertised as dimmable, however in reality the performance of many of them is unimpressive with varying results depending on the dimmer used and loading of the circuit
2013-08-14 SSL LED driver integrates boost, flyback converters
The iW3623 from Dialog Semiconductor offers a universal 100-277VAC input range and output power up to 45W.
2011-04-28 SSL driver IC offers 90% efficiency
Power Integrations unveils a new reference design based on its single-stage LED-driver IC which the company claims achieves more than 90 percent energy efficiency and exceeds 0.9 power factor
2011-06-15 Power IC allows low cost, small size LED driver
Exclara has released the Exclara HVX family that enables low cost, small size LED driver solutions while improving efficiency, power factor and quality
2013-11-20 Match LED driver architecture with the application
Read about LED driver architectures and their impact on the performance of a lighting application
2010-06-16 LED drivers deliver flicker-free TRIAC dimming
Power Integrations has released two new families of power-factor-corrected LED driver ICs that deliver flicker-free monotonic TRIAC dimming
2011-03-18 LED driver uses peak current mode control scheme
Supertex releases HV9860 boost LED driver designed to optimize the performance and lifespan of LEDs in applications RGB or white LED backlighting, LCD TVs and LED lamps
2011-03-08 LED driver touts current accuracy
Supertex presents the HV9971, a patented, isolated, constant current LED driver for solid-state lighting applications
2009-09-25 LED driver packs temp management control
National Semiconductor Corp.'s new LED driver drives high-brightness LEDs in indoor, outdoor and automotive apps
2010-02-24 LED driver achieves >0.95 power factor
ON Semiconductor has launched a new power factor corrected dimmable LED driver for residential and commercial lighting applications
2013-05-30 Employ SSL2101, SSL2102 dimmable mains LED driver
Know how to design a mains dimmable LED driver using the NXP SSL2101/2102 LED Driver IC in flyback mode.
2012-05-16 Controller drives flicker-free LED dimming
Texas Instruments' LM3447 AC/DC LED controller has a dimmer detect, a phase decoder, and adjustable hold current circuits, for constant power regulation and flicker-free dimming operation
2011-06-14 2A RGB LED driver for portable projectors unveiled
National Semiconductor has introduced the LM3435, a 2A RGB LED driver for portable projectors that drives three common anode RGB high-brightness LEDs sequentially with a single inductor
2010-06-04 18W single-stage offline LED driver
There is a large potential market for residential application of solid-state lighting (SSL), and compact fluorescent lamp (CFL) retro-fit is one of them.
2006-02-07 Inductor-based DC/DCs extend LED driver portfolio
Semtech's SC4501, SC4502 and SC4502H step-up switching regulators can power up to ten white LEDs, OLED displays or generate the bias voltages for TFT LCDs.
2010-08-09 Compact linear LED drivers save space
Fairchild Semiconductor's linear LED drivers conserve space in portable backlighting applications up to 60 percent smaller than alternate solutions
2012-04-24 DC/DC controller touts 6-100V input voltage
The LT3796 is a high-side current sense DC/DC controller designed to regulate a constant-current or constant-voltage geared for driving high brightness LEDs.
2008-09-30 Controller built for high-current LEDs
Linear Technology introduces the LT3756, a 100V, high-side current sense DC/DC converter designed to drive high current LEDs.
2002-02-14 National voltage regulators drive cell-phone white LEDs
National Semiconductor Corp. has introduced half a dozen voltage-regulator devices designed to power white LEDs used as backlights for color displays on new-generation cell phones and handheld PCs.
2011-02-08 Diode supplier Qspeed acquired by Power Integrations
Power Integrations has acquired high-voltage diode supplier Qspeed Semiconductor. It has also launched seven new members of its LinkSwitch-PH family of LED driver ICs
2011-04-26 Control IC offers 88% efficiency
International Rectifier introduces the IRS2548D Switched Mode Power Supply (SMPS) control IC for energy efficient applications for high power LED illumination
2008-04-09 Controller drives high-brightness LEDs in series
Texas Instruments Inc. has introduced a 4.5-52V wide-input voltage, non-synchronous boost controller, intended for applications where the output is a regulated current instead of a regulated voltage.
2015-04-13 High-voltage IC technology for bias supply design
Here's a look at some of the key requirements and challenges in designing off-line, non-isolated bias supplies, and how high-voltage IC technology can help simplify such designs.
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