Search results for "regulator"
3A, 4MHz, Synchronous Step-Down Regulator in 3mm x 4mm QFN
The LTC3612 is a high efficiency, 4MHz synchronous buck regulator from Linear Technology that incorporates a constant frequency, current mode architecture. It can deliver up to 3A of continuous output current at output voltages as low as 0.6V from a 3mm x 4mm QFN or a thermally enhanced TSSOP-20 package. The LTC3612 operates from an input voltage of 2.25V to 5.5V, making it ideal for single cell Li-Ion applications as well as 3.3V or 5V intermedi...
High Speed Synchronous N-Channel MOSFET Driver
Linear Technology Corporation introduced the LTC4449, a high speed synchronous MOSFET driver designed to drive upper and lower power N-channel MOSFETs in a synchronous rectified converter topology. This driver, combined with one of Linear Technology's DC/DC controllers and power FETs forms a complete high efficiency synchronous regulator that can be used as a step-down or step-up DC/DC converter.
High Power PD Controllers with Built-In Switchers Address IEEE 802.3at PoE+ Standard
Linear Technology has introduced the LTC4269-1, LTC4269-2 and LTC4278, IEEE 802.3at compliant Power over Ethernet (PoE+) interface controllers with integrated switching regulators for high-power Powered Device (PD) applications up to 25.5W and beyond. The new IEEE 802.3at definition, also known as the PoE+ standard, simultaneously expands the power budget and improves the classification mechanism used by Power Sourcing Equipment (PSE) and PDs to ...
Step-Down DC/DC Converter Offers 150°C Maximum Junction Temperature Operation
Linear Technology has announced the H-Grade version of the LT3481. The LT3481 is a 34V (36V(MAX)), BurstMode, step-down switching regulator that maintains quiescent current under 50uA.The H Grade version operates up to a junction temperature of 150°C, compared to the E and I Grade versions' 125°C maximum junction temperature.
Linear Technology Commemorates 30 Years of Analog Innovation
Founded 30 years ago, Linear Technology Corporation commemorated three decades of innovation in analog integrated circuits. Founded in September 1981, at the dawn of the digital revolution, some questioned the wisdom of founding a company focused purely on analog technology. Over these 30 years, the worldwide analog market has grown from $2 billion to over $40 billion today, and Linear has prospered with that growth.
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...
Single-Inductor Low VIN Buck-Boost DC/DC Controller Optimized for Medium Power Outputs
Linear Technology has introduced the LTC3785, a 96% efficient buck-boost switching regulator controller that operates from input voltages above, below or equal to the output voltage for powering tablet PCs, handheld instruments, wireless modems, portable media players and a wide variety of single or dual-cell Li-Ion or multi-cell alkaline/NiMH powered devices.
Surface Mount LDO is Easily Paralleled for heat spreading
Linear Technology has announced the LT3080, a 1.1A 3-terminal LDO that may be easily paralleled for heat spreading and is adjustable with a single resistor. This new architecture regulator uses a current reference to allow sharing between multiple regulators with a small length of PC trace as ballast, enabling multi-amp linear regulation in all surface-mount systems without heat sinks.
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...