Linear Technology Corp.
Milpitas, CA 95035
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DC/DC Controller regulates output voltages up to 100 V.
Featuring 1 W dual n-channel MOSFET gate drivers, Model LTC3813 eliminates boost diode and heat sink normally required in medium to high power non-synchronous boost converters. Unit can regulate 50 V output at 4 A with up to 97% efficiency from 10-40 V input source. Step-up switching regulator controller utilizes current mode control and maintains Ã-
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Step-Down DC/DC Converter offers 60 V transient protection.
Offered in 10-pin MSOP or 3 x 3 mm DFN packages, LT3685 operates from 3.6-38 V input and is suited for load dump and cold-crank conditions in automotive applications. It utilizes 3 A, 0.25 W switch internal switch - capable of delivering up to 2 A continuous output current at voltages down to 0.79 V - with necessary boost diode, oscillator, control, and logic circuitry. Switching frequency is...
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Low-Noise Delta Sigma ADC is supplied in 2 x 2 mm DFN package.
LTC2450 enables performance upgrades to lower resolution systems in portable and space-constrained applications. It achieves 16-bit DC performance of 2LSB integral nonlinearity error, 1.4 Ã-µVRMS noise, and 0.01% gain error. Using 2.7-5.5 V supply voltage as reference, LTC2450 draws 500 Ã-µA of supply current and under 1 Ã-µA during shutdown. Internal oscillator allows conversion...
Read More »Boost Controller regulates output voltages up to 60 V.
Featuring 1 W dual n-channel MOSFET gate drivers, Model LTC3814-5 eliminates heat sink and can regulate 24 V at 4 A output with up to 97% efficiency from 4.5-14 V input source. Synchronous, step-up switching regulator controller utilizes current mode control and maintains Ã-
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DC/DC Converter includes boost and Schottky diodes.
Operating within VIN range of 3.6-34 V with transient protection to 36 V, Model LT3681 includes Burst ModeÃ-® operation to keep quiescent current under 50 Ã-µA, making unit suited for automotive applications. Internal switch, rated at 3.2 A, can deliver up to 2 A of continuous output current to voltages as low as 1.26 V. Housed in 3 x 4 mm DFN-10 package, step-down switching regulator...
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Analog-to-Digital Converter handles temperatures to 125-
Intended for data acquisition systems, 14-bit Model LTC2246H consumes 75 mW while providing 74.5 dB SNR, 90 dBc spurious-free dynamic range, and sampling rate of 25 MS/sec. Unit includes shutdown and nap modes, as well as optional clock duty cycle stabilizer. Housed in 5 x 5 mm TQFP package with integrated bypass capacitors, converter satisfies high-temperature demands of automotive and military...
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DC/DC Regulator features 2.3 mm profile.
Weighing 0.86 g, LTM4604 uModule(TM) regulator includes onboard controller, power switches, inductor, and bypass capacitors enclosed and protected in 9 x 15 mm LGA package. It operates from input supply range of 2.35-5.5 V, regulates an output voltage from 0.8-5 V, and achieves 93% efficiency when converting 3.3 V input to 2.5 V output at up to 4 A. Rated for operation from -40 to +85Ã-
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DC/DC Converter delivers up to 1.8 A continuous current.
Using constant frequency and current mode architecture, 4 MHz Model LTC3568 operates from input voltage of 2.5-5.5 V, making it suited for Li-Ion/Polymer battery inputs as well as 3.3 or 5 V inputs for point-of-load applications. Internal switches with RDS(ON) of 0.11 W enable efficiencies up to 96%. Housed in 3 x 3 mm DFN package, synchronous buck regulator uses Burst ModeÃ-® operation to...
Read More »Switching Regulator can be synchronized to external source.
Featuring selectable switching frequency from 100 kHz to 1 MHz, Model LTC3810 synchronous regulator controller steps down voltages from 100 V to output ranging from 0.8 V to 93% of VIN. Single inductor design eliminates need for transformer, while 1 W gate drivers minimize switching transient losses associated with driving MOSFETs at high frequency. Offered in 28-lead SSOP package, it has 0.8 V...
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DC/DC Converter features dual-channel design.
Housed in 3 x 3 mm QFN package, 1 MHz Model LTC3522 features input voltage of 2.4-5.5 V. One channel utilizes synchronous buck-boost topology that delivers up to 400 mA continuous output current with inputs above, equal, or below output. Second channel consists of synchronous buck regulator, which delivers up to 200 mA continuous output current to voltages as low as 0.6 V. Combination is suited...
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