Device Driver Software

Device Driver Software

Current-Output Charge Pump suits LED flash applications.

Tri-mode AAT3175 can drive up to 3 flash white LEDs at 300 mA total current with current sharing from 2.7-5.5 V source. It combines load switch (1X), fractional (1.5X), and doubling (2X) capability with internal sensing circuit to match output to LED requirements. Completely programmable via S2Cwire digital interface, product operates at 1 MHz switching frequency and can be set to 16 current...

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LED Driver delivers up to 1 A with true color PWM dimming.
Device Driver Software

LED Driver delivers up to 1 A with true color PWM dimming.

Housed in TSSOP-16 package, step-down dc/dc converter, Model LT3474, features internal sense resistor and dimming control for driving LEDs, which require up to 1 A of current. Output current accuracy is maintained over current range of 35 mA to 1 A. True Color PWM(TM) circuitry allows dimming range of 400:1 without any color shift. With input voltage of 4-36 V and switching frequency from 200 kHz...

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DC/DC Converter combines LED driver and boost regulator.
Device Driver Software

DC/DC Converter combines LED driver and boost regulator.

Accepting 2.7-24 V input, LT3466-1 integrates white LED driver, boost converter, and Schottky diodes in 3 x 3 mm DFN-10 package. LED driver channel can drive up to 10 white LEDs from single-cell Li-Ion input at up to 83% efficiency, while boost converter can generate TFT-LCD bias voltages or drive OLED display. Each channel has independent dimming and shutdown control. Switching frequency can be...

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EL Driver Module simplifies design and board mounting.
Device Driver Software

EL Driver Module simplifies design and board mounting.

Operating from 2.0-6.0 Vdc range, D381B stand-alone electroluminescent (EL) lamp driver module combines all external, discrete components required to backlight monochrome displays and keypads on 5 x 7 mm chip. Integrated driver has embedded power inductor and is RoHS- and WEEE-compliant. Turnkey solution utilizes 3-port topology and internally controlled current discharge to reduce audible and...

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Device Driver Software

Sign Driver suits variety of LED lighting applications.

Featuring IntelliVolt(TM), Multiple-Voltage technology, 100 W, 24 Vdc signPRO(TM) Model LED-INTA-0024V-41FO operates at any input voltage from 120-277 V, 50/60 Hz. Tested to IP66, damp location-rated unit includes inherent short-circuit protection, power factor correction, and temperature performance down to -40°F. Tightly regulated output of 1% line and 5% load insures consistent light...

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LED Driver is suited for high-brightness applications.
Device Driver Software

LED Driver is suited for high-brightness applications.

Available in QFN4x4 package or as die-only solution, AS3691 includes 4 independent current sources, each capable of sinking 400 mA. Operating current per LED channel can be set via external resistor, while LED brightness is controlled via 4 independent PWM inputs. Also capable of driving single white LED with up to 1.6 A, product features absolute current accuracy of 0.5% and employs linear...

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LED Charge Pump delivers up to 500 mA output current.
Device Driver Software

LED Charge Pump delivers up to 500 mA output current.

Manufactured in 3 x 3 mm, 10-lead DFN package with profile of less than 1 mm, inductorless LTC3214 features soft-start circuitry and operating efficiencies up to 94%. Fractional charge pump utilizes multi-mode architecture that automatically switches between 1x, 1.5x, or 2x boost modes, monitoring voltage across LED current source and switching modes only when ILED dropout is detected. White LED...

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LED Driver suits handheld devices.
Device Driver Software

LED Driver suits handheld devices.

Housed in micro SMD package measuring 3 x 3 x 0.6 mm, Model LP3954 integrates 2 backlight drivers, dual RGB LED controller, Flash LED driver, and analog-to-digital converter on single chip. Unit drives 2 separately controlled white LED backlights for main and sub-display, and in case of single large display, units can be combined to drive up to 6 LEDs. Stand-alone features include backlight...

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Offline LED Driver add power factor correction.
Device Driver Software

Offline LED Driver add power factor correction.

Fixed-frequency, pulse width modulated Model HV9931 controls LED lamp drive using single-stage, single switch topology. Internal 450 V regulator allows IC to work directly from high voltage input. Driver uses peak current control to regulate both input and output currents, eliminating need for loop compensation in LED drive circuit designs. Offered in 8-pin SOIC or DIP package, RoHS compliant...

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EL Lamp Drivers ensure consistent brightness.
Device Driver Software

EL Lamp Drivers ensure consistent brightness.

Designed to drive 2 electroluminescent (EL) lamps with combined area of up to 3.5 sq. in., HV841 and HV839 high voltage driver ICs deliver low-noise backlighting solutions for dual LCD and keypad applications. Model HV841 accepts 2.0-5.8 V and produces nominal regulated output of 100 V, while HV839 provides nominal regulated output of 90 V. Both are available in 10-pin, lead-free, RoHS compliant...

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