Linear Technology Corp.
Milpitas, CA 95035
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Delta-Sigma ADC offers optimal configurability.
Supplied in 4 x 3 mm DFN package, LTC2492 features Easy Drive(TM) design that results in zero average differential input current. This 24-bit, 4-channel delta-sigma ADC can be driven directly from bridges, RTDs, thermocouples, and high-impedance sensors, and its rail-to-rail input signals can be directly digitized while maintaining dc accuracy of 2 ppm INL. Also included, internal temperature...
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Synchronous Buck Regulator delivers up to 500 mA output.
Supplied in 2 x 2 mm DFN or ThinSOT(TM) package, LTC3542 operates from 2.5-5.5 V input and has constant frequency, current mode architecture. Synchronous step-down dc/dc converter can generate output voltages as low as 0.6 V and features Ã-
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DC/DC Converter includes internal 1.45 A power switch.
Housed in 2 x 3 mm DFN package, 1 A Model LT3503 features input range of 3.6-20 V, making it suited for regulating power from variety of sources. Current mode, PWM, step-down converter provides 2.2 MHz fixed frequency operation and adjustable output down to 780 mV. Internal switch offers efficiencies up to 88%, maximizing battery run-time. Cycle-by-cycle current limit provides protection against...
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Amplifiers integrate gain-setting resistors on-chip.
With -3 dB bandwidth of 300 MHz, LT6402 differential amplifier provides on-chip filter and output common mode voltage pin, and is available in 6, 12, and 20 dB fixed gain options. Model LT6411 dual-selectable gain amplifier has -3 dB bandwidth of 650 MHz and slew rate of 3,300 V/Ã-µs, with independently selectable gains, consuming 16 mA supply current. Device can be disabled when inactive,...
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Multichannel ADC offers programmable input ranges.
Capable of speeds to 100 kS/sec, LTC1859 incorporates 8-channel multiplexer that can accept 4 differential inputs, 8 single-ended inputs, or combinations of both. Software-programmable inputs are fault-protected to Ã-
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PSE Controller provides autonomous operation.
Single-channel Power Sourcing Equipment Controller, Model LTC4263, includes onboard MOSFET for use in IEEE 802.3af PoE-compliant systems. IC detects, classifies, and provides isolated 48 V power to powered devices. Using internal sense resistor, controller provides inrush, current limit, and short circuit control. Advanced detection and power monitoring techniques prevent damage to legacy...
Read More »Regulators offer input voltage capability up to 80 V.
With input voltage up to 80 V, Models LT3012 and LT3013 micropower LDOs offer low dropout voltage of 400 mV and deliver up to 250 mA of load current. LDOs feature VOUT capability from 1.24-60 V to suit 48 V telecom backup supplies, automotive, and industrial control applications, while low quiescent 40 Ã-µA (operating) and 1 Ã-µA (shutdown) current aids operation in battery-powered memory...
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Step Up Charge Pumps feature 60 mA output current.
Housed in 2 x 2 mm DFN package, LTC3221 Series consumes ultra-low quiescent current of 8 Ã-µA, saving battery run time in portable devices. Model LTC3221 has adjustable output voltage and input voltage range of 1.8-5.5 V with max output level not greater than twice available input voltage. Model LTC3221-3.3 generates regulated boosted output voltage of 3.3 V from min input voltage of 1.8 V,...
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POL Regulators simplify power supply design.
Models LTM4601, LTM4602, and LTM4603 each contain all components required to build 6-48 A point-of-load (POL) regulator, including inductor, power MOSFETs, dc/dc controller, compensation circuitry, and input/output bypass capacitors. Devices are rated for operation from 4.5-28 V in -40Ã-º to 85Ã-ºC temperatures, and compact 15 x 15 x 2.8 mm LGA package protects solution from external...
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