DC/DC Converter features output disconnect and LDO.
Model LTC3537, 2.2 MHz current mode synchronous boost regulator features internal 600 mA switches that deliver output voltages as high as 5.25 V from input voltage range of 0.68-5 V. At 3.3 V, it can deliver up to 100 mA of continuous output current from single alkaline cell or 300 mA from dual cell input. With input range of 1.8-5.5 V, 100 mA LDO can deliver outputs as low as 0.6 V. When both...
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Step-Down DC/DC Converter includes linear controller.
Housed in 3 x 3 mm DFN-12 package, Model LT1939 operates from VIN range of 3-25 V, making it suited for regulating power from variety of sources, including protected automotive batteries, industrial supplies, and unregulated wall adapters. Unit's 2.3 A internal switch delivers up to 2 A continuous output current at voltages as low as 0.8 V. Switching frequency is user programmable and...
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Step-Down DC/DC Converter is offered in 3 x 3 mm DFN package.
Model LT1913 3.5 A, 25 V step-down switching regulator operates within VIN range of 3.6 to 25 V. It features 4.6 A, 95 mW internal switch that can deliver up to 3.5 A of continuous output current at voltages as low as 0.79 V at up to 90% efficiency. Switching frequency is user programmable from 20 kHz to 2.4 MHz and converter features external synchronization from 250 kHz to 2 MHz. Unit operates...
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Rise Time Accelerator promotes I2C/SMBus system reliability.
Available in 2 x 2mm DFN and SC70 packages, LTC4311 is designed for heavily loaded IÃ-²C/SMBus systems operating at bus speeds to 400 kHz. It uses boosted pull-up current of 5 mA during rising bus transitions while disabling current sources during falling transitions and logic lows/highs for improved low state noise margins. Operating from 1.6-5.5 V, IC features 5 Ã-µA shutdown and will...
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Read More »LDO Controller is optimized for driving n-channel MOSFETs.
With adjustable and fixed 1.2 and 1.5 V output voltages, Model SiP21301 LDO controller uses external n-channel MOSFETs to provide drop-out voltages of less than 50 mV with 80% efficiency. Operating from 2.5-0.65 V, it delivers 1 to 7 A of current with 1% output voltage accuracy. Unit features programmable inrush current protection on start up, short-circuit protection, thermal shutdown,...
Read More »Voltage Controllers have battery-switchover functionality.
Designed to protect low-voltage systems up to 28 V, Models MAX4959/MAX4960 provide resistor-programmable overvoltage (6-28 V) and undervoltage (5-28 V) trip levels. They offer Ã-
Read More »Step-Down Regulators integrate low-on-resistance MOSFETs.
Operating from 3.3 or 2.5 V inputs, Models MAX8833/MAX8855 provide dual 3 or 5 A outputs and low on-resistances of 49 and 37 mW, respectively. Suited for DDR memories, processors that require more than one rail, and high-end enterprise equipments, units provide programmable frequency up to 2 MHz and external frequency-synchronization input. Available in 5 x 5 mm, 32-pin TQFN package, they are...
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Step-Down DC/DC Converter targets automotive applications.
Housed in 3 x 3 mm DFN or MSOP package, 2 A Model LT1912 features input voltage range of 3.6-36 V, making it suited for load dump and cold-crank conditions found in automotive applications. Device's 3.2 A internal switch delivers up to 2 A of continuous output current to voltages as low as .079 V. Operating from -40 to 125Ã-
Read More »Synchronous Buck Regulator promotes battery efficiency.
Contained in 3 x 3 mm MLFÃ-® package, MIC2238 2.5 MHz dual 800 mA synchronous buck step-down regulator features Trickle Mode(TM) enabling light load efficiency for Li-Ion battery powered systems. Device offers input voltage range from 2.5-5.5 V and ultra-low quiescent current of 28 Ã-µA at light loads. Operation modes include Variable frequency Trickle Mode(TM) operation for highest light...
Read More »Switching DC/DC Regulator operates from -55 to 125-
Suited for military and avionics applications, Ã-µModule(TM) LTM4600HVMPV is comprised entirely of silicon with built-in inductor. Synchronous unit operates from input supply range of 4.5-28 V and regulates output voltage from 0.6-5 V. Housed in 15 x 15 x 2.8 mm Military Plastic LGA package, device can deliver 10 A continuous load current and achieve efficiencies as high as 92%. Regulator is...
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