Advanced Analogic Technologies Incorporated
Sunnyvale, CA 94085
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Super Capacitor Charger IC minimizes charge time.
Offered in Pb-free 12-pin TSOPJW package, AAT4620 is P-channel current-limited MOSFET power switch for high-side load switching applications in PC modem cards. It integrates all circuitry required to limit current, protect PC Card connector, continuously charge capacitor, and notify system when it is ready for use. Along with integrated reverse blocking protection, IC features current limiting,...
Read More »Slew-Rate Controlled Load Switch supports 12 V operation.
Integrating level shift and slew rate control functionality into single device, Model AAT4285 allows designers to minimize parts count in 12 V applications. P-channel MOSFET switch operates across 3.0-13.2 V input range and is designed for high-side load switching. Housed in 8-pin SC70JW package, unit offers turn-on time of 100 Ã-µs, fast shutdown load discharge capability, and RDS(ON) of 240...
Read More »Converter suits space-constrained portable applications.
Enabling use of 1 mm high inductors, and offered in 2.0 x 2.1 mm SC70JW package, Model AAT1149 step-down converter delivers 400 mA of load current from input range of 2.7-5.5 V. Output voltage is programmable via external feedback resistors from 1.0 V to VIN. Providing current limit and over-temperature protection, converter features 45 uA load quiescent current, 3 MHz switching frequency, up to...
Read More »LED Driver is built around tri-mode charge pump.
Providing LED backlight, camera flash, and RGB/status lighting in single chip, Model AAT2830/31 delivers up to 600 mA of current off single-cell Li-ion battery. Product drives 6 outputs programmable up to 30 mA each via external resistor, and LED intensity can be set to any of 16 levels using AS2Cwire(TM) interface. For camera flash, AAT2830/31 has 4 channels programmable up to 150 mA each, and 3...
Read More »Power Management ICs suit converged portable products.
Available in 4 x 4 mm QFN package, AAT2550/AAT2551 combine 1 A battery charger with two 600 mA step-down converters operating at 1.4 MHz. With charge current programmable from 100 mA to 1 A, charger offers integrated pass device, reverse blocking protection, thermal regulation, and charge status/termination. Model AAT2550 features digital thermal control loop in charger to reduce charge current....
Read More »Charge Pump IC facilitates white LED flash applications.
Model AAT3170 consists of 600 mA current output flash driver and programmable flash timer. Each LED output can be programmed in 32 steps by single GPIO output via AS(2)Cwire(TM) (Advanced Simple Serial Control(TM)) interface. Tri-mode device combines load switch (1x), fractional (1.5x), and doubling (2x) capability with internal sensing circuit to match output to LED requirements. Available in...
Read More »Boost Converter offers dynamic output voltage programming.
Targeting OLED, LCD, and CCD applications, Model AAT1232 is 24 V, 100 mA boost converter for portable products powered by single-cell Lithium-ion batteries. It operates at switching frequency up to 2 MHz and maintains 80% efficiency across load currents down to 1 mA. Available in Pb-free 16-pin, 3 x 4 mm TDFN package or Pb-free 12-pin TSOPJW package, device is specified over -40 to +85Ã-
Read More »DC/DC Converter powers series-connected white LEDs.
Delivering 50 mA up to 24 V, Model AAT1231 drives 6 white LEDs in series or up to 12 white LEDs in parallel/series configuration using digital single-wire interface. Inductive boost dc/dc converter has 2 MHz switching frequency, operates over -40Ã-
Read More »DC/DC Converter suits WCDMA and CDMA power amplifiers.
Operating across voltage input range of 2.7-5.5 V, voltage-scaling, step-down Model AAT1171 supplies variable output voltage of 0.6-3.6 V, optimizing power amplifier efficiency and extending mobile phone talk time. Input voltage is controlled by real-time output signal from baseband processor and delivers up to 600 mA of continuous load current. To meet WCDMA requirements, output voltage responds...
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