Circuits

Dual 2-Phase Controller regulates low output voltages.
Electrical Regulators

Dual 2-Phase Controller regulates low output voltages.

Synchronous dc/dc Model LTC3802, with 3-30 V input range, operates without sense resistors. Current limit is adjustable, and overcurrent is detected by sensing voltage drop across external MOSFET. With nominal 550 kHz switching frequency, phase lockable from 300-750 kHz, controller regulates output voltages as low as 0.6 V. IC employs modulation architecture and features programmable up/down...

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Bus Buffer translates I²C bus levels to 1.xV processors.
Circuits

Bus Buffer translates I²C bus levels to 1.xV processors.

Model LTC4301L accepts input data and clock pull-up voltages as low as 1 V and level translates them to standard 3.3-5 V logic rails. It allows card insertion into live backplane without corruption of SDA and SCL lines, while providing capacitive isolation between lines even if respective supplies are at different levels. SDA and SCL pins withstand 10 kV ESD, protecting card from damage due to...

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COFDM Demodulator facilitates DTV broadcast reception.
Circuits

COFDM Demodulator facilitates DTV broadcast reception.

DRX 3973D consists of COFDM (coded orthogonal frequency division multiplex) demodulator IC that addresses atmospheric and dynamic interferences with adaptive compensation schemes. It makes reception possible in vulnerable DVB-T (Digital Video Broadcast Terrestrial) regions, as found in fringe signal areas and indoor reception. Features include integrated PGA, progressive channel estimator...

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Power-Supply Tracker controls up to 4 supplies.
Power Controllers

Power-Supply Tracker controls up to 4 supplies.

Available in 24-pin SSOP and 24-lead DFN packages, LTC2925 power-supply tracking controller provides power-up and power-down profiles for systems with up to 4 supplies. By configuring resistors, IC ramps supplies up and down together with voltage offsets, time delays, or different ramp rates. Power-up timeout circuitry turns off supplies if external voltage monitor fails to indicate that all...

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Controller and Power Module suit Ethernet-powered appliances.
Power Controllers

Controller and Power Module suit Ethernet-powered appliances.

Model TPS2375 IC controller manages discovery, classification, and delivery of dc power to powered device, while providing power management control and protection. It withstands transients to 100 V and features 15 kV system-level ESD capability. Power-over-Ethernet plug-in power module PTB48540 helps detect, classify, and deliver up to 10 W of dc power. Requiring external Power-over-Ethernet...

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Power Conversion IC utilizes soft drive circuitry.
Circuits

Power Conversion IC utilizes soft drive circuitry.

Optimized for worldwide input SMPS applications, Series MR2900 integrates high-speed 900 V IGBT power switch, pulse frequency modulation controller, onboard start-up circuit, and protection functions. Seven amp Model 2920 features 150 W output capacity, while 10 A Model MD2940 offers 225 W rating. Using multiple chip module structure approach, series is housed in 7-pin isolated ZIP package....

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Voltage Reference provides precisely controlled output.
Circuits

Voltage Reference provides precisely controlled output.

Model TS3431 can be programmed with external resistor bridge to output any voltage from 1.24-24 V. It will then hold that voltage with accuracy of ±2%, ±1%, or ±0.5%, depending on which version user chooses. Part will sink between 400 Â-µA and 100 mA of current and maintain accuracy over industrial operating temperature of -40 to +125°C. Applications include computer...

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I2C Buffer translates backplane and card logic levels.
Circuits

I2C Buffer translates backplane and card logic levels.

Housed in 8-pin MSOP and DFN, 3 x 3 mm packages, LTC4301 supply independent, hot-swappable, 2-wire bus buffer allows I/O card insertion into live backplane without corruption of bus data and clock lines. IC provides capacitive isolation between backplane and I2C busses, and SDA and SCL pins withstand 8 kV ESD. When I2C is distributed over a backplane, backplane bus sees only capacitance of buffer...

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Digital Bus Switches come in 2-10 channel versions.
Circuits

Digital Bus Switches come in 2-10 channel versions.

NanoSwitch products include PI3CH family of 2.5 or 3.3 V, 500 MHz bandwidth bus switches that simplify I/O migration from parallel to serial differential signaling standards. Housed in packages from TSSOP to TDFN, digital ICs offer lead-free packaging, hot-insertion, and beyond rail-to-rail switching. Performance characteristics include 5 ohm flat on-resistance across full device bandwidth, 5-10...

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Arrays

Array includes analog and digital circuits.

Mixed-Signal Structured Array uses single IC fabrication mask to configure array of analog and digial circuit elements into application specific integrated circuit. Digital logic, analog amplifiers, resistors, switches, and capacitors are included. Using single process layer, they are interconnected to form ASIC. Model MSSA-1 contains 24 operational transconductance amplifiers, 12 buffer...

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