Search results for "regulator"

Linear Technology has announced the LT3751, a flyback controller designed to rapidly charge large capacitors to voltages as high as 1000V. The LT3751 drives an external N-Channel MOSFET and can charge a 1000uF capacitor to 500V in less than 1 second, making it ideal for applications such as professional photoflash systems, RF security, inventory control systems and specialized high voltage power supplies.

Linear Technology has announced the LT3970, a 350mA, 40V step-down switching regulator with integrated boost and catch diodes. Its Burst Mode operation keeps quiescent current under 2.5µA in no load standby conditions. The LT3970's 4.2V to 40V input voltage range makes it ideal for automotive and industrial applications. Its internal 550mA switch can deliver up to 350mA of continuous output current to voltages as low as 1.21V. The LT3970's Burst...

Linear Technology has announced the LTC3553, a micropower multifunction power management integrated circuit (PMIC) solution for portable Li-Ion/Polymer battery-based applications. The LTC3553 integrates a USB-compatible linear PowerPath™ manager, a stand-alone battery charger, a high efficiency synchronous buck regulator, a low dropout linear regulator and pushbutton controller in an ultrathin (0.55mm) 3mm x 3mm QFN package. A pin-selectable st...

Linear Technology has announced the LTC3619, a dual output, high efficiency, 2.25 MHz, synchronous buck regulator with programmable average input current limit. It can deliver up to 800mA of continuous output current from one channel and 400mA from the other with efficiencies as high as 96%. Using a constant frequency and current mode architecture, the LTC3619 operates from an input voltage range of 2.5V to 5.5V, making it ideal for single-cell L...

Linear Technology has announced the LTC3620, a high efficiency, synchronous buck regulator which can deliver up to 15mA from a very small footprint for single Li-Ion-powered applications. The internal synchronous switches deliver efficiencies as high as 95% while Burst Mode® operation requires only 18uA of quiescent current, maximizing battery run time. The LTC3620 can take a 2.9V-5.5V input, and is adjustable to outputs as low as the 0.6V, wher...

Linear Technology has announced the LT3689, a 700mA, 36V input step-down switching regulator with a power-on reset and watchdog timer. Its Burst Mode operation keeps quiescent current under 85uA in no load standby conditions. The LT3689’s 3.6V to 36V input voltage range, with 60V transient ride through, makes it ideal for load dump and cold crank conditions commonly found in automotive applications.

Linear Technology has introduced the LTC4089 and LTC4089-5, each featuring an autonomous power manager, ideal diode controller and standalone high-voltage switching battery charger for portable USB devices. For high efficiency charging, their switching topology accommodates various inputs, including high voltage power sources up to 36V (40V max) such as 12V AC-DC wall adapters, FireWire ports or automotive batteries. In addition, they accept low-...

Linear Technology announced a new high reliability (MP-grade) version of the LTC4441, a 6A N-channel MOSFET gate driver that operates over a -55°C to125°C operating junction temperature range. This high power driver is designed to increase the output power and efficiency of a DC/DC controller, enabling it to drive high power N-channel MOSFETs or multiple MOSFETs in parallel. Its gate drive voltage is adjustable from 5V to 8V, allowing designer...

Linear Technology has introduced the LTM4611, a complete switch mode DC/DC µModule point-of-load regulator capable of generating its own 5V N-channel MOSFET gate drive for very efficient voltage conversion from 3.3VIN or less to loads as low as 0.8V at up to 15A.

Linear Technology announced the LTC3880/-1, a dual output high efficiency synchronous step-down DC/DC controller with I2C-based PMBus interface for digital power system management. The device combines best in class analog switching regulator performance with precision mixed signal data conversion for unsurpassed ease of power system design and management, supported by the LTpowerPlay software development system with easy-to-use graphical user int...