Linear Technology Corp.
Milpitas, CA 95035
Share:
PWM Controller simplifies isolated power supplies.
Model LTC3723 push-pull synchronous controller integrates two 1.5 A sink, 1 A source primary MOSFET drivers as well as two synchronous secondary outputs. It converts high-voltage backplane rails ranging from 36-72 V to 12 V and lower at power levels between 100-750 W. Housed in 16-lead SSOP package, unit includes adjustable dead-time and synchronous timing, accurate current sense, adjustable...
Read More »
DC/DC Controller eliminates need for transformer.
Model LTC3703 is a 100 V, 95% efficient, DC/DC step-down synchronous controller for high input voltage power supplies. Single-inductor design withstands input transients up to 100 V and includes line feed forward compensation. Switching frequency is resistor-adjustable from 100-600 kHz. Applications include conversion of 36-72 V backplane power to 12 or 5 V intermediate supplies in telecom and...
Read More »
Flyback Controller operates at 250 kHz constant frequency.
Model LTC3806 synchronously drives primary and secondary side MOSFETs. It facilitates cross regulation in multiple output power supplies by keeping MOSFETs ON and outputs coupled for larger fraction of each power conversion cycle. Unit incorporates all timing and control functions, as well as 1 A gate drivers for designing multiple output power supply at up to 60 W. Adjustable soft-start controls...
Read More »MOSFET Diode OR Controller suits redundant power supplies.
Available in 10-Pin MSOP, model LT4351 allows for low loss ORing of multiple power sources with minimal effect on supply voltages. Product uses N-channel MOSFET as pass element, turned on when power is applied and off when input source voltage drops below output common supply voltage. Features include internal boost regulator, STATUS pin, under/overvoltage monitoring, and FAULT##CRLF# pin....
Read More »
Triple Video Amplifier features internal fixed gain of 2.
Model LT6553 eliminates need for external gain setting resistors. It features -3 dB bandwidth of 650 MHz, slew rate of 2,500 V/Ã-µs, and 6 ns settling time, resulting in sharp video images. Differential phase of 0.01Ã-
Read More »
DC/DC Converter offers integrated Schottkys in 3 x 3 mm DFN.
Dual micropower Model LT3463 features internal 250 mA, Ã-
Read More »
DC/DC Converter suits space-constrained applications.
Model LT3436 is a 3 A, 800 kHz step-up converter in thermally-enhanced, 16-pin TSSOP package. Input voltage of 3-25 V enables unit to operate from single cell Li-Ion batteries up to fixed 24 V input rails, delivering outputs up to 35 V. Constant 800 kHz switching frequency, synchronizable from 1-1.4 MHz, allows designers to keep switching noise out of noise-sensitive circuitry. Operating supply...
Read More »
Step-Up DC/DC Converter offers true output disconnect.
Model LTC3421 is a 3 MHz, current mode, synchronous boost DC/DC converter suited for Li-Ion and single/multi-cell alkaline/NiMH applications. Internal switches provide 3 A current limit and deliver output voltages up to 5.25 V from input voltage of 0.5-4.5 V. Converter delivers up to 1.5 A of continuous output current from 2 alkaline cells. Synchronous rectification enables efficiencies of 96%...
Read More »
Ideal Diode IC minimizes power dissipation.
Model LTC4411 low loss Power Path(TM) IC controls integrated, 140 mOhm, P-channel MOSFET to create near ideal diode function for power switchover or load sharing. When conducting, voltage drop across MOSFET is as low as 28 mV, minimizing power dissipation and dropout voltage when ORing multiple power sources. Quiescent current is less than 40 Ã-µA for load currents up to 100 mA. Model LTC4411...
Read More »
Micropower LDO offers two 100 mA outputs from 3 x 3 mm DFN.
Model LT3023 low-noise micropower regulator operates from 1.8-20 V input voltage range and delivers dual 100 mA outputs at voltages as low as 1.22 V. With 0.01 Ã-µF bypass capacitor, output noise drops to 20 Ã-µVRMS over 10 Hz to 100 kHz bandwidth. Stable with 1 Ã-µF ceramic output capacitor, unit features 20 Ã-µA quiescent current per channel, adjustable output, and overcurrent...
Read More »