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2006-07-06 Regulator features wide input range
Allegro MicroSystems expanded its current family of step-down regulators by adding a 3A fixed off-time, current-mode-controlled buck-switching regulator.
2008-08-20 Regulator controller drives n-channel, packs ratiometric tracking
Linear has released the LTC3851, a wide input range synchronous step-down switching regulator controller that drives all N-channel power MOSFET stages and has coincident or ratiometric tracking.
2011-10-17 Regulator achieves 88% operating efficiency
The LTM8052 has a current limit up to 5A and converts input voltage between 6V to 36V to between 1.2V to 24V.
2011-12-16 Power management ICs flaunt 3V dropout
TI's PMICs power up supply rails in SSDs, hybrid drives and other flash memory management applications.
2006-06-23 Power IC targets GSM mobile apps
Analogic's new addition to its power management IC family offers a compact solution designed for GSM mobile phone applications.
2008-09-02 Portables all set for lightning fast, miniscule solutions
Micrel Inc. introduces the MIC23030 and MIC23031, the newest additions to the HyperLight Load family of synchronous step-down regulators.
2005-05-02 PolyPhase for step-up conversion
The benefits of PolyPhase operation are now available for high-power step-up conversion. Read more
2011-09-29 POL chipset geared for high-performance apps
ZMDI's ZSPM1000 and ZSPM9000 enable smart power management solutions for area constraint applications.
2002-10-16 ON Semi dc/dc controller targets portable systems
The company's NCP1550 step-down dc/dc controller IC is capable of operating from a Li-ion or NiMH battery.
2012-05-03 Micro DC/DC converter operates from 1.8-6V
The XCL208/XCL209 from Torex is a family of 400mA DC/DC step-down converters with integrated coil geared for RF circuits and applications where PCB space is at a premium.
2002-05-15 Micrel PWM regulator is 36 percent smaller
The MIC4685 200kHz PWM buck regulator is housed in a 7-lead SPAK casing, allowing it to occupy a footprint 36 percent smaller than similar products in D2PAK housings.
2002-02-20 Maxim releases dc/dc converter for GBIC, xDSL modems
Designed for GBIC modules and USB-powered xDSL modems and routers, the MAX1970/71/72 dual step-down dc/dc converters operate up to 1.4MHz and 180 out-of-phase.
2004-02-19 Maxim PWM controller provides high efficiency
The MAX1549 PWM step-down controller from Maxim Integrated Products provides high efficiency and good transient response.
2003-01-29 Maxim dc/dc converter achieves 96 percent efficiency
The MAX1536 step-down dc/dc converter IC operates from 5V to 3.3V and produces an adjustable output down to 0.7V.
2002-05-10 Maxim controller has 3V to 14V input range
The MAX1952 synchronous, current-mode, step-down controller from Maxim Integrated Products has an input range of 3V to 14V, making it suitable for use in 3.3V, 5V, and 12V applications.
2007-10-15 Low-noise switching regulators fit mobile devices
Advanced Analogic Technologies Inc. has unveiled the first device in an extensive family of switching regulators designed for low-noise operation.
2000-12-07 Low cost 1.0A current source for battery chargers
This application note describes two designs of low-cost current sources for battery charger applications based on the LM2575-ADJ switching step-down converter and the MC33341 regulator control circuit.
2002-11-20 LM2655 2.5A Synchronous Switching Regulator Evaluation Board
This application note describes the use of an evaluation board based on the LM2655 PWM step-down switching regulator.
2007-07-31 Linear unveils military-grade DC/DC uModule regulator
Linear has developed a complete and encapsulated 10A switching DC/DC regulator system designed for military and avionics applications.
2002-06-06 Linear Tech regulator delivers up to 96 percent efficiency
The LTC3406 step-down synchronous buck regulator provides up to 600mA of continuous output current and uses 0.40-ohm internal switches to deliver efficiencies of up to 96 percent.
2002-09-06 Linear Tech IC regulates power supplies
The LT1940 step-down switching regulator operates from an input of 3.6V to 25V, enabling it to regulate power sources such as four-cell and lead-acid batteries.
2002-03-19 Linear Tech dc/dc converter chip delivers up to 200A to sub-1V loads
Designed to power network processors and graphic chips, the LTC1629-6 PolyPhase synchronous step-down controller delivers up to 200A of output current to sub-1V loads as low as 0.6V.
2002-05-17 Linear Tech controller powers AMD Hammer CPUs
Designed for use in AMD's 64-bit SledgeHammer and ClawHammer CPUs, the LTC3719 synchronous step-down controller integrates four MOSFET drivers that are capable of driving substantial gate capacitance.
2002-05-24 Linear Tech controller has on-chip LDO
The LTC3700 step-down dc/dc controller from Linear Technology Corp. operates up to 94 percent efficiency and includes an on-chip 150mA LDO linear regulator, housed in a 10-lead MSOP casing.
2004-02-11 Linear Tech controller has 95 percent efficiency
Linear Technology Corp. has introduced the LTC3703 dc-dc step-down synchronous controller for high operation power supplies.
2002-04-11 Linear Tech controller accepts up to 36V input
The LTC3717 step-down dc/dc controller for DDR memory and SSTL active termination can accept an input voltage from 4V to 36V, enabling the chip to be powered from a high voltage source and eliminating the need for an intermediate step-down dc/dc controller.
2008-10-09 LED drivers comply with lighting brightness demands
Diodes has extended its Zetex LED driver products with the release of its three compact LED drivers that improve accuracy and thermal capacity.
2007-07-05 Intersil integrated FET DC/DC converters
The purpose of this application note is to show how the Intersil integrated FET DC/DC converters can make the task of designing an embedded step-down DC/DC converter much easier.
2000-06-19 High performance VRM using L4990A for Pentium Pro processor
This application note presents a VRM (Voltage Regulator Module), which is a step-down converter based on the L4990A current-mode controller chip for the actual generation of Pentium Pro microprocessors.
2007-03-12 Getting more out of the ZXLD1350: high output current
The ZXLD1350 is a continuous mode inductive step-down converter, designed for driving single or multiple series connected LEDs efficiently from a voltage source higher than the LED voltage. The device operates from an input supply between 7V and 30V and provides an externally adjustable output current of up to 350mA. In order to obtain higher output current to drive LEDs with higher power, a high current externally connected output stage is required.
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