Linear Technology Corp.
Milpitas, CA 95035
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Boost Converter drives up to 6 white LEDs and OLED display.
Combining 2.3 MHz PWM LED driver and low-noise OLED driver, dual-channel Model LT3498 is housed in 2 x 3 mm DFN package with internal power switch and Schottky diode for each channel. Input voltage range of 2.5-12 V enables it to operate from single cell Li-Ion batteries up to fixed 12 V input rails, delivering outputs up to 32 V. From single cell Li-Ion input, LED driver channel can drive up to...
Read More »USB Charger withstands power inputs up to 60 V.
LTC4090 is autonomous linear PowerPath(TM) manager, diode controller, and stand-alone high input voltage battery charger for portable USB devices. Switching front-end topology accommodates power sources up to 38 V, and PowerPath control provides power to device while charging its single-cell Li-Ion battery from USB bus or adapter power supply. Device also features 5x/1x USB current limiting,...
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Power Management IC suits handheld applications.
Housed in 3 x 3 mm DFN package, Model LTC3559 integrates standalone Li-Ion/Polymer battery charger with 2 synchronous buck regulators. Linear battery charger can deliver up to 950 mA charge current from wall adapter supply, or up to 500 mA charge current from USB supply. Final battery float voltage is accurate to Ã-
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DACs integrate internal reference in SC70 package.
Supplied in 2.1 x 2 mm 6-lead package, LTC2630 series is comprised of 12-, 10-, and 8-bit DACs that offers choice of internal 2.5 or 4.096 V, 10 ppm/Ã-
Read More »Power Management IC aids in design of portable electronics.
Housed in 4 x 5 mm package, LTC3555 USB Power Manager and Triple Step-Down DC/DC Converter incorporates range of power management functions, including switching PowerPath(TM) manager, stand-alone battery charger, 3 monolithic buck regulators, and always-on LDO, controlled via I2C interface. PowerPath control manages power flow between AC/DC wall adapter, USB port, Li-Ion/Polymer battery, and...
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Analog-to-Digital Converter offers -
Operating from single 5 V supply, 8-channel, 16-bit Model LTC1856 features Ã-
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Fully Differential Amplifiers promote ADC performance.
Operating from single 3V supply, LTC6400-20 and LTC6401-20 include gain setting resistors and VOCM pin for setting output common mode voltage to match input range of ADC. Model LTC6400-20 provides fixed gain of 20 dB with -93 dBc third-order intermodulation distortion performance and noise figure of 6.5 dB for 140 MHz input frequency. For input frequencies up to 70 MHz, LTC6401-20 maintains same...
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DC/DC Converter offers 3,000:1 true color PWM dimming.
Housed in 4 x 5 mm QFN package and with input voltage of 3-40 V, Model LT3496 is designed to operate as 3-channel, constant current LED driver. Each channel can drive up to eight 500 mA LEDs in series, enabling converter to drive up to 24 x 500 mA LEDs at efficiencies up to 96%. Fixed frequency, current-mode architecture ensures stable operation over wide range of supply and output voltages,...
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Step-Down DC/DC Converter delivers up to 600 mA per channel.
Using constant frequency current mode architecture, 2.25 MHz Model LTC3419/-1 operates from input voltage of 2.5-5.5 V and can generate 2 independent output voltages as low as 0.6 V, enabling it to power low-voltage DSPs and microcontrollers. Version LTC3419-1 is available with fixed outputs of 1.575 and 1.8 V. Housed in 3 x 3 mm DFN package, synchronous buck regulators use internal switches with...
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Step-Down DC/DC Converter delivers 500 mA max output.
Supplied in 2 x 2 mm 8-lead DFN package, LT3502/A operates from 3.4-40 V input range and has switching frequency of 1.1 MHz for standard version and 2.2 MHz for A version. Regulator delivers up to 500 mA continuous output current to voltages as low as 0.8 V and utilizes 900 mA, 300 mVCESAT switch with necessary boost diode, oscillator, control, and logic circuitry integrated on-chip. Other...
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