Device Driver Software

White LED Driver features integrated Schottky diode.
Device Driver Software

White LED Driver features integrated Schottky diode.

Housed in SC70 package, Model LT3491 drives up to 6 white LEDs from single Li-Ion cell at efficiencies over 75%. It switches at 2.3 MHz, allowing use of tiny inductor and capacitors, while keeping switching noise out of critical RF frequency bands. Chip acts as constant current source, delivering same current to each white LED, regardless of fluctuations in forward voltage drop, ensuring uniform...

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Charge Pump drives main and camera LEDs in cell phones.
Device Driver Software

Charge Pump drives main and camera LEDs in cell phones.

Manufactured in 3 x 3 x .75 mm QFN package, LTC3210 provides 5 LED current sources at up to 500 mA of total output current: 4 x 25 mA LED Main display and one 400 mA Camera LED display. Each display is digitally controlled with independent dimming and programming via single wire interface. This integrated, 800 kHz, 1x/1.5x/2x multimode charge pump has 2.9-4.5 V input range and exhibits...

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Device Driver Software

The New South Wales Fire Service Control Room Features QuadView Multiple Window Display Technology

The New South Wales Fire Service Control Room Features QuadView Multiple Window Display Technology November 22, 2005 Alameda, CA - The New South Wales (NSW) Fire Service in Sydney, Australia, recently opened its new control room featuring two RGB Spectrum's QuadView® XL windowing processors. The goal was to replace felt-tip pens and paper maps by a state-of-the-art real-time information...

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Device Driver Software

Boost Regulator drives white LEDs for backlighting.

With max output voltage of 24 V and switch current of over 350 mA, Model MIC3287 drives string of 4 white LEDs in series, ensuring uniform brightness and eliminating several ballast resistors. Unit features 1.2 MHz PWM operation and 250 mV feedback for over-voltage and over-temperature protection. Housed in TSOT-5 and TSOT-6 packaging, IC is suited for backlighting in mobile phones, PDAs, GPS...

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Knobs - Customizable Solutions To learn more about the different types of Knob solutions available, and which ones to select for your specific application, download this guide now.

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Device Driver Software

Cell Phone LED Drivers have 600 mA total output current.

Supplied in 4 x 4 mm QFN package, LTC3209-1 and -2 are integrated, 850 kHz, 1x/1.5x/2x multimode charge pumps that drive main, camera, and auxiliary LED displays in cell phones. Each can drive up to 8 LED current sources, and each display has digital control with independent dimming and programming via 2-wire IÂ-²C(TM) serial interface. Operating from 2.9-4.5 V, products exhibit efficiencies...

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Device Driver Software

LED Driver includes open LED detection.

Designed for LED display applications, 8-channel Model A6278 features 8 NPN constant-current sink drivers, as well as 8-bit CMOS shift register and latches that allow direct interfacing with microprocessor-based systems. With 3.3 or 5 V logic supply, serial data input rates are 25 MHz. CMOS serial output permits cascade connections in applications requiring additional drivelines. Three package...

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Device Driver Software

LED Driver features staggered output delay.

Suited for LED display applications, Model A6279 includes 16-bit CMOS shift register, data latches, and 16 channels constant-current sink drivers. Opened LED connections can be detected and fed back to host microprocessor through serial data out pin. With 3.3 or 5 V logic supply, serial data-input rates are 25 MHz. CMOS serial data output permits cascade connections. Package styles include...

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Device Driver Software

LED Driver suits medium power portable applications.

Offered in 3 x 3 x 0.9 mm, DFN-10 package, Model NCP5603 supplies constant voltage to load from battery voltage ranges of 2.7-5.5 V. It provides power conversion by means of charge pump structure using 2 external ceramic capacitors. With operating modes of 1, 1.5, and 2 X, unit operates at up to 90% efficiency. Because device allows output current pulse up to 350 mA, it is suitable to drive high...

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Cell Phone Camera LED Driver provides 92% efficiency.
Device Driver Software

Cell Phone Camera LED Driver provides 92% efficiency.

Housed in 3 x 3 mm QFN package, 850 kHz Model LTC3217 drives up to 4 LED current sources at up to 600 mA total output current. Multimode, automatic switching 1x/1.5x/2x charge pump features input voltage range of 2.9-4.5 V, making it suited for single cell Li-Ion inputs. Unit optimizes efficiency based on VIN and LED forward voltage conditions. Brightness can be controlled by selecting each or...

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White LED Driver delivers up to 1 A from 3 x 3 mm DFN.
Device Driver Software

White LED Driver delivers up to 1 A from 3 x 3 mm DFN.

Optimized for driving single white LED from 2.7-4.2 V Li-ion battery input, DC/DC Converter Model LTC3454 operates automatically in synchronous buck, synchronous boost, or buck-boost mode, depending on input voltage and LED max forward voltage. LED current is programmable to 1 of 4 levels with dual current setting resistors and dual enable pins. In shutdown, supply current is less than 1...

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