Linear Technology Corp.

1630 McCarthy Blvd.
Milpitas, CA 95035

Voltage Regulator is used for DDR/QDR memory termination.

Offered in 4 x 4 mm QFN and SSOP-24 packages, LTC3776 employs no RSENSE, constant frequency current mode architecture. This 2-phase, dual-output, synchronous step-down switching controller operates from 2.75-9.8 V input and features programmable switching frequency up to 750 kHz. Second output (VTT) regulates output voltage to 1/2 of VREF, while providing symmetrical source and sink output...

Agricultural & Farming Products

DC-DC Controller is rated for operation from -40 to 125-

Model LT3724 is suited for use in step-down, step-up, inverting, or SEPIC circuits with up to 100 W of output power. Power supply incorporating controller can convert 4-60 V input supplies to regulated output from 1.23-36 V. Operating at constant switching frequency of 200 kHz, single-chip unit includes Burst ModeÃ-® operation, which minimizes quiescent current below 100 Ã-µA. Operating...

Electrical Equipment & Systems

Boost Converter has Schottky diode and output disconnect.

Step-up micropower DC/DC converters LT3473 and LT3473A have 2.2-16 V input voltage range and solution size of less than 50 mmÃ-². They operate from single cell Li-Ion batteries up to fixed 15 V input rails, delivering outputs to 34 V. With constant 1.2 MHz switching frequency, products feature internal 1 A, 36 V switch, internal reference override pin, and 2 additional NPN transistors....

Controls & Controllers

Very Low Dropout Regulator outputs 500 mA.

Featuring input voltage capability down to 0.9 V and adjustable output voltage down to 0.2 V, Model LT3021 operates across entire voltage range of single cell alkaline and NiMH batteries. Regulator maintains 160 mV dropout voltage up to 500 mA of operating current, and offers micropower operation with 120 Ã-µA of quiescent current and less than 3 Ã-µA in shutdown. Unit includes 0.05% line...

Electrical Equipment & Systems

DC/DC Controller has on-chip spread spectrum modulation.

Featuring programmable output voltage tracking, step-down synchronous LTC3808 minimizes need for EMI shields and filters by randomly varying switching frequency from 460-635 kHz. It reduces peak radiated and conducted noise of dc/dc controller alternatively by 20+ dB. Device offers user-selectable 300, 550, or 750 kHz operating frequency or 250-750 kHz PLL operation and converts input voltages of...

Controls & Controllers

Micropower LDO Regulator withstands up to 100 V input.

Offered in DFN and ThinSOT packages, LT3014 can deliver 20 mA output current and operates with 3-80 V continuous input voltage range. It generates output voltages from 1.22-60 V with dropout of 350 mV and features max quiescent current of 7 Ã-µA. With no protection diodes needed, unit operates with ceramic output capacitors and features internal circuitry for reverse battery and current...

Controls & Controllers

Step-Down Controller uses on-board start-up regulator.

Offering reverse-current inhibit feature and adaptive nonoverlap control, LT3800 current mode, synchronous, step-down controller operates without requiring auxiliary DC/DC regulator for startup. Unit operates from 4-60 V supplies and regulates output voltages from 1.23-36 V at load currents up to 10 A. Operating at 200 kHz fixed frequency with 94% efficiency, it includes Burst ModeÃ-®...

Electrical Equipment & Systems

Buck-Boost DC/DC Controller has single-inductor design.

With 4-30 V input and 0.8-30 V output ranges, LTC3780 buck-boost switching regulator controller operates from input voltages above, below, or equal to output voltage using one inductor and delivers output power up to 75 W. Constant frequency current mode architecture allows phase-lockable frequency from 200-400 kHz, while 4-switch synchronous rectification delivers efficiencies to 97%. Unit...

Electronic Components & Devices

Silicon Oscillator is offered in ThinSOT package.

With footprint limited to ThinSOT(TM) package and one resistor, LTC6906 silicon oscillator can be programmed to any frequency between 10 kHz and 1 MHz. Clock chip for portable equipment has operating current of 18 Ã-µA @ 100 kHz, startup of 200 Ã-µsec @ 1 MHz, and duty cycle control of 50% Ã-