Linear Technology Corp.
Milpitas, CA 95035
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Digital-to-Analog Converters feature 1 -µsec settling time.
Available in 16-, 14-, and 12-bit unbuffered voltage output versions, unipolar Model LTC2641 and bipolar Model LTC2642 draw 120 Ã-µA of supply current while settling to within 0.5 LSB for full-scale step in 1 Ã-µsec. Units feature 0.5 nVos glitch impulse, which is key for ac applications such as waveform generation. Operating from 2.7-5.5 V supply voltage, converters each feature power-on...
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Low Dropout Regulator has 0-40 V output voltage range.
Model LT3080 1.1 A 3-terminal LDO offers paralleling for heat spreading and adjustability with one single resistor. Features include multi-amp linear regulation in surface-mount systems without heat sinks, input voltage capability ranging from 1.2-40 V, full load low dropout voltage of 300 mV, and on-chip trimmed reference with an accuracy of Ã-
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Two-Wire Bus Buffer features bidirectional capacitance.
Model LTC4307-1 High-Definition Multimedia Interface HDMI compliant bidirectional bus buffer provides capacitance buffering and level shifting between HDMI source and sink devices. Features include sub-10 pF data and clock input capacitance, bidirectional buffer for display data channel, level translation between 3.3 and 5 V, Ã-
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DC/DC Controller draws 30 -µA in automotive systems.
Producing output voltage from 0.8-10 V, synchronous step-down Model LTC3826/-1 draws 30 Ã-µA when one output is active and 50 Ã-µA when both outputs are active. Each output can deliver up to 20 A of current at efficiencies as high as 95%. Input supply range of 4-36 V is wide enough to protect against high input voltage transients and to continue operation during automotive cold crank....
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High Side Current Sense Amp has 10 -µV offset, zero drift.
Supplied in 3 x 3 mm package, LTC6102 has max input offset voltage that allows for lower sense resistance without sacrificing resolution. Differential sense voltages are accepted up to 2 V, and 106 dB dynamic range allows unit to resolve micro-amps from amps of current. Topology allows designer to customize power consumption, 1 Ã-µs response time, and I/O impedance characteristics. While 4-60...
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DC/DC Converter extends battery run time.
Housed in 2 x 3 mm DFN package, Model LTC3538 delivers regulated output voltage at up to 800 mA of continuous current with input voltage above, below, or equal to output. Input range of 2.4-5.5 V and output range of 1.5-5.25 makes unit suited for single-cell Li-Ion/Polymer applications. Delivering efficiencies up to 96%, synchronous, buck-boost converter provides constant 1 MHz switching...
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Regulator offers overvoltage protection during power surges.
Model LT4356 overvoltage protection regulator with overcurrent protection and inrush current limiting offers input operating range of 4-80 V. It can handle transient voltages of 100 V and provides reverse input protection to -30 V without damage to itself or load. Regulating output to user-defined voltage by controlling gate of external N-Channel MOSFET during overvoltage event, device includes...
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Power Manager handles power selection and battery charging.
Suited for Li-Ion/Polymer battery applications, Model LTC3557 integrates linear PowerPath(TM) manager, standalone battery charger, ideal diode, 3 synchronous buck regulators, and always-on LDO in 4 x 4 mm QFN package. PowerPath manages transition between multiple input sources and power to load, while battery charger delivers up to 1.5 A from wall adapter or 500 mA from USB port. With adjustable...
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Switching Regulator Controller features 4-24 V input range.
Dual, 2-phase synchronous step-down DC/DC controller, Model LTC3850, drives all N-channel power MOSFET stages with coincident or ratiometric tracking. On-board driver allows use of high-power external MOSFETs to produce output currents up to 20 A with output voltages ranging from 0.8-5.5 V. Power loss and supply noise are minimized by operating both stages 180Ã-
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Controller monitors switching regulator input/output voltage.
Model LTC2953-1 pushbutton controller integrates supervisory voltage monitors and timers for tracking switching regulator's input and output voltages. Device features input and output voltage comparators, pushbutton input, and software interrupt output in 3 x 3 mm DFN-12 package. Drawing 14 Ã-µA supply current, unit operates over 2.7-27 V input supply, serving singe- or multi-battery...
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