Linear Technology Corp.
Milpitas, CA 95035
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Step-Down Regulator delivers 8 A in less than 350 mm-².
Using constant frequency, current mode architecture, synchronous buck regulator Model LTC3418 provides up to 8 A of continuous output current at voltages as low as 0.8 V from 5 x 7 mm QFN package. With efficiency up to 95%, unit operates from input voltage of 2.25-5.5 V, making it suited for single-cell Li-Ion or NiMH applications, as well as fixed rail systems. Switching frequency of 4 MHz...
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White LED Driver delivers 700 mA with over 90% efficiency.
Inductorless fractional charge pump, Model LTC3215 features multi-mode architecture that automatically switches between 1, 1.5, or 2x boost modes by monitoring voltage across LED current source and switching modes only when ILED dropout is detected. Built-in soft-start circuitry prevents excessive inrush current during start-up. Housed in 3 x 3 mm, 10-lead DFN package, Model LTC3215 offers...
Read More »Hot Swap Controller protects load voltages fro 0-6 V.
Low voltage Model LTC4216 allows safe insertion and removal of boards from live backplane. Together with analog current limit amplifier, electronic circuit breaker with adjustable response time provides dual level overcurrent protection. Adjustable soft-start circuitry limits rate of change of inrush at start-up. Offered in 10-lead MSOP and 12-lead DNF packages, Model LTC4216 meets demands of...
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Dual ADCs achieve 100 MHz, 110 dB channel isolation.
Consuming 445 mW, 14-bit, 80 Msps LTC2299 provides -110 dB crosstalk for channel-to-channel isolation. It achieves 73 dB Signal-to-Noise Ratio (SNR) and 85 dB Spurious Free Dynamic Range (SFDR) @ 70 MHz. In higher intermediate frequencies, product achieves 72.6 dB SNR and 80 dB SFDR up to 140 MHz. Family also includes 10-, 12-, or 14-bit resolution models from 10-80 MSps that consume 120-422 mW....
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DC/DC Converter delivers up to 600 mA from 1.6 V input.
With constant frequency and current mode architecture, synchronous buck regulator, Model LTC3409 operates from input voltage of 1.6-5.5 V and generates output voltages as low as 0.61 V. Switching frequency can be set to 1.7 or 2.6 MHz, allowing use of tiny ceramic capacitors and inductors. Utilizing internal switches with RDS(ON) of 0.35 Ohm to deliver efficiencies as high as 95%, step-down...
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Battery Charger features integrated micropower comparator.
Standalone Model LTC4062 charges Li-Ion batteries to 4.2 V float voltage with Ã-
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LED Driver delivers up to 500 mA with 90% efficiency.
Optimized for driving white LEDs, LTC3453 synchronous buck-boost DC/DC converter accepts single Li-Ion battery input voltage of 2.7-4.2 V and offers constant frequency 1 MHz operation. It operates automatically in synchronous buck, synchronous boost, or buck-boost mode, depending on input voltage and LED max forward voltage. Independent high- and low-current settings for flash and torch/video...
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Analog to Digital Converter suits low power applications.
Operating from 3 V supply and drawing 2.7 mW max at full speed, 8-channel, 175 ksps Model LTC1867L provides 16-bit no missing codes over temperature and Ã-
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DC/DC Converter includes output disconnect.
Featuring inrush current limiting, synchronous step-up Model LTC3458 offers input voltage of 1.5-6 V, enabling it to operate from dual-cell alkaline/NiMH/NiCd battery, single-cell Li-Ion, or USB power. It can deliver up to 7.5 V with efficiencies up to 93%. Switching frequency is programmable up to 1.5 MHz, keeping switching noise out of noise-sensitive circuitry. Housed in 4 x 3 mm DFN package,...
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Linear Battery Charger powers 4.375 V Li-Ion batteries.
Stand-alone, 1-cell Model LTC4061-4.4 offers programmable charge current to 1 A. It includes thermistor interface for temperature qualified charging, adjustable timer as backup charge termination, and float voltage to prevent cell overcharging. I/O pins report state-of-charge during trickle, normal, and end-of-charge modes. SmartStart(TM) feature eliminates unnecessary recharge cycles. For USB...
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