Search results for "capacitor"
DC/DC Converter Delivers up to 600mA with Spread Spectrum or PLL Operation
Linear Technology has announced the LTC3543, a high efficiency, 2.25 MHz, synchronous buck regulator that can deliver up to 600mA of continuous output current from a 2mm x 3mm DFN package. The LTC3543 can run in either a constant 2.25MHz frequency, spread spectrum or synchronized phase lock loop (PLL) mode, offering multiple choices for very low noise operation. Its current mode architecture operates from an input voltage range of 2.5V to 5.5V, m...
Synchronous Step-Down DC/DC Converter Delivers up to 800mA
Linear Technology has announced the LTC3560, a high efficiency, 2.25 MHz, synchronous buck regulator that delivers up to 800mA of continuous output current from a ThinSOT package. Using a constant frequency and current mode architecture, the LTC3560 operates from an input voltage range of 2.5V to 5.5V, making it ideal for single cell Li-Ion, or multi-cell alkaline/NiCad/NiMH applications. It can generate output voltages as low as 0.6V, enabling i...
Step-Down DC/DC Controller in 4 x 4 QFN from Linear Technology
Linear Technology has announced the LTC3850, a 95% efficient, dual output synchronous step-down switching regulator controller that drives all N-channel power MOSFET stages with coincident or ratiometric tracking. The 4V to 24V input range encompasses a wide variety of applications including most intermediate bus voltages and battery chemistries. The strong on-board driver allows the use of high power external MOSFETs to produce output currents u...
DC/DC Regulator Is as Simple as a Linear Regulator But with 98% Less Heat Dissipation and 90% Smaller Design Without Hot Spots
Linear Technology has introduced the LTM8020, the first in a new family of DC/DC uModule regulator systems that operate from higher voltage input supplies of up to 36V (40Vmax). The LTM8020 is a 200mA complete DC/DC solution that includes a DC/DC controller IC, power switches, inductor, compensation circuitry and input and output bypass capacitors. This solution is extremely compact at only 6.25mm x 6.25mm and low profile at 2.3mm in height.
24V Input Synchronous Step-Down Regulator Delivers 12A from a 9mm x 9mm QFN
Linear Technology has announced the LTC3610, a high efficiency, synchronous buck regulator which can deliver up to 12A of continuous output current at voltages as low as 0.6V. It operates from an input voltage of 4V to 24V (28V ABS Max), making it ideal for applications with multicell Li-Ion, lead acid batteries or fixed voltage rails up to 24V. Its valley current control architecture delivers very low duty cycle operation at high frequencies wit...
2A, 1MHz Synchronous Boost Regulator from Linear Technology
Linear Technology has announced the LTC3539/-2, 1MHz/2MHz, current mode, synchronous boost DC/DC converters with output disconnect and integrated soft-start. Their internal 2A switches can deliver output voltages as high as 5.25V from an input voltage range of 0.70V at start-up, (0.5V when running) to 5V, making them ideal for Li-Ion/Polymer or single/multicell alkaline/NiMH applications.
Monolithic Linear USB Battery Charger from Linear Technology
Linear Technology has announced the LTC3558, an efficient, multi-function power management solution for handheld applications. The LTC3558 integrates a stand-alone Li-Ion/Polymer battery charger and two high efficiency synchronous regulators - one buck-boost and one buck - and is offered in a compact low-profile 3mm x 3mm QFN package. The linear battery charger can deliver up to 950mA charge current from a wall adapter supply, or up to 500mA char...
Synchronous 600mA (ISW) Boost & 400mA (IOUT) Buck Regulator with 2.4MHz Switching Frequency in a 3mm x 3mm QFN
Linear Technology has announced the LTC3523/-2, a combination of a 600mA (ISW) synchronous boost and a 400mA (IOUT) synchronous buck regulator in a 3mm x 3mm QFN-16 package. Both the boost and the buck regulators switch at 2.4MHz in the LTC3523-2 (1.2MHz for the LTC3523), and use current mode, synchronous topologies. The LTC3523/-2 operate from an input voltage range of 1.8V to 5.5V, making them appropriate for single cell Li-Ion/Polymer or dual-...
Triple output converter from Linear Technology
Linear Technology has announced the LTC3100, a triple output converter which includes a 700mA (ISW) synchronous boost regulator, a 250mA (IOUT) synchronous buck regulator and a 100mA (IOUT) LDO in a 3mm x 3mm QFN-16 package. Both the boost and the buck regulators switch at 1.5MHz and use current mode, synchronous topologies.
16A Step Down DC/DC Regulator from Linear Technology
Linear Technology has introduced the LTM4616, a complete dual DC/DC uModule regulator system in a tiny surface mount package. The LTM4616 can regulate either two voltages ranging from 0.6V to 5V at up to 8A each, or one output voltage at up to 16A by sharing current from each output in a multi-phase configuration. The LTM4616’s versatility is extended by its ability to operate from either two different input supply rails ranging from 2.375V to ...