2017-09-08

Fast 60V High Side N-Channel MOSFET Driver Provides 100% Duty Cycle Capability

Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC7004, a high speed, high side N-channel MOSFET driver that operates up to a 60V supply voltage. Its internal charge pump fully enhances an external N-channel MOSFET switch, enabling it to remain on indefinitely. The LTC7004’s powerful 1Ω gate driver can easily drive large gate capacitance MOSFETs with very short transition times and 35ns propagation delays, well suited for both high frequency switching and static switch applications.
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2017-07-18

Fast 60V Protected High Side N-Channel MOSFET Driver Provides 100% Duty Cycle Capability

Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC7003, a high speed, high side N-channel MOSFET driver that operates up to a 60V supply voltage. Its internal charge pump fully enhances an external N-channel MOSFET switch, enabling it to remain on indefinitely. The LTC7003’s powerful 1Ω gate driver can easily drive large gate capacitance MOSFETs with very short transition times and 35ns propagation delays, ideal for both high frequency switching and static switch applications.
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2017-07-12

36V, 2A Monolithic Synchronous Step-Down LED Driver with Silent Switcher Topology Minimizes EMI Concerns

Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LT3932, a monolithic, synchronous, step-down DC/DC converter with internal 36V, 2A power switches and an internal PWM generator. Its fixed frequency, peak current mode control accurately regulates current within ±1.5% for strings of up to 2A LEDs. Its integrated PWM generator offers a 128:1 dimming ratio. If dimming ratios of up to 5000:1 are required, the LT3932 and an external PWM generator can accommodate these applications. 
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2012-10-26

60V, Synchronous Buck LED Driver Delivers Over 300W of LED Power

Linear Technology announces the LT3763, a synchronous buck LED driver controller that delivers over 300W of LED power. Its 6V to 60V input voltage range makes it ideal for a wide variety of applications, including automotive, industrial and architectural lighting. Similarly, its output voltage can be set from 0V to 55V, enabling it to drive a wide range of LEDs in a single string. The LT3763 offers both input and output current monitors and limiting, which accurately control both input and output current. Similarly, the LT3763 also offers accurate output voltage reg...
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2012-03-13

Linear Technology Launches New LED Driver

Linear Technology has launched a synchronous buck-boost DC/DC LED driver and voltage controller delivering over 100W for lighting. The new driver features 4.7V to 60V input voltage range. It suits for applications in automotive, industrial and architectural lighting. With an adjustable output voltage from 0V to 60V, the LT3791 can be used to drive LEDs in a single string. Its internal 4-switch buck-boost controller operates from input voltages above, below or equal to the output voltage. The chip's design uses three control loops to monitor input current,...
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2010-11-04

Toshiba, Intersil, and Linear announce new LED driver ICs respectively

Toshiba America Electronic Components (TAEC) published four new 16-channel driver ICs for LED-backlit applications ranging from notebook PCs to large TVs. The TC62D722 targeted high-end displays in TVs and offered a 16-bit pulse-width-modulation (PWM) mode that reduced display flicker in features specific to the application. And the new TC62D776 targeted applications in idle-mode power consumption such as battery powered devices.
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2009-12-18

Linear Technology announces the LT3492: Triple Output LED Driver Drives Up to 30 x 300mA LEDs & Offers 3000:1 True Color PWM Dimming

Linear Technology Corporation announces the LT3492, a 2.1MHz DC/DC converter designed to operate as a three-channel constant current LED driver. Each of the LT3492’s three channels can drive up to ten 300mA LEDs in series, enabling it to drive up to 30 x 300mA LEDs at efficiencies up to 96%. All three channels are operated by an independent True Color PWM™ signal, enabling each to be dimmed independently to ratios as high as 3,000:1.
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2009-12-18

Linear Technology announces the LT3760: Drive up to Eight Channels of Ten 100mA LEDs with 3000:1 True Color PWM Dimming

Linear Technology announces the LT3760, an 8-channel LED driver, utilizing a step-up DC/DC controller capable of driving up to a 45V string of 100mA LEDs per channel. Its internal 60V, 1MHz DC/DC boost mode controller is designed to operate as a constant current LED driver for up to 80 white LEDs. From a 12V input, the LT3760 can drive 8 channels, each with up to ten 100mA white LEDs in series while delivering efficiencies exceeding 92%. Its multichannel capability makes it ideal for medium and large-sized TFT-LCD backlighting applications.
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2009-10-21

Linear Technology’s Synchronous Step-Down LED Driver Delivers over 20A of Continuous LED Current

Linear Technology announces the LT3743, a synchronous step-down DC/DC converter designed to deliver constant current to drive high current LEDs. The device’s 5.5V to 36V input voltage range makes it ideal for a wide variety of applications, including industrial, DLP projection and architectural lighting.
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2009-09-22

Linear Technology Releases 45V, 750mA LED Driver for Boost, Buck or Buck-Boost High Current LED Applications

Linear Technology announces the LT3519, a 45V, high side current sense DC/DC converter designed to drive high current LEDs. The LT3519’s 3V to 40V input voltage range makes it ideal for applications such as automotive and industrial lighting. The combination of an internal 45V, 750mA switch, Schottky diode and internal compensation provides a highly compact LED driver solution.
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2009-08-11

Linear Technology's LT3599 Boost Mode Converter/Driver For Up To 40 White LEDs

Linear Technology has announced the LT3599, a 45V, 2.1MHz DC/DC boost mode converter designed to operate as a constant current LED driver for up to 40 white LEDs. From a 12V input, the LT3599 can drive four strings of LEDs, each with up to ten 120mA white LEDs in series while delivering efficiencies up to 90%. Its multichannel capability makes it ideal for medium-sized TFT-LCD backlighting applications.
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Cree announces the commercial availability of the XLamp® XD16 LED, the industry’s first Extreme Density LED, which delivers up to 5 ½ times higher lumen density than Cree’s previous generation of high power LEDs.

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LG Innotek today announced that the company has developed the world's first 100mW (mill watts) UV-C LED. This development is 2 years ahead of the industry forecast that predicted its development would be successful by 2020.

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