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2004-03-31 Sipex PWM controller handles up to 28V
The SP6132HV from Sipex is a high voltage, synchronous step-down PWM controller that is engineered for stepping down dc input voltages ranging from 3.3V up to 28V.
2004-05-13 Shindengen regulator serves handheld environments
Shindengen America's MD5001 is a step-down regulator designed for tight and demanding thermal environments.
2009-09-10 Regulator sustains up to 60V transient voltage
Linear Technology Corp.'s new step-down switching regulator is suited for load dump and cold-crank conditions.
2004-12-20 Regulator keeps quiescent current under 100?A
A high voltage, Burst Mode step-down switching regulator that maintains quiescent current under 100?A was recently released by Linear Tech.
2009-09-02 Regulator keeps quiescent current below 85?A
Linear announced a 700mA, 36V input step-down switching regulator with a power-on reset and watchdog timer.
2009-11-09 Reference design for a high-input-voltage, high-output-current buck controller using the MAX15046
This reference design presents a circuit for using the MAX15046 step-down power-supply controller for high-input-voltage, low-output-voltage applications that require high output current.
2009-05-08 Reference design for a high-current power supply with lossless current sensing using the MAX5060
This application note shows how to use a MAX5060 current-mode, step-down power-supply controller to implement lossless current sensing for high-current applications. In this design, the series resistance (DCR) of the inductor is used for current sensing to avoid power loss in the current-sense resistor.
2008-02-28 Reduced footprint marks buck regulator
Exar has introduced the latest addition to its PowerBlox family of high-efficiency, step-down switching regulators with the introduction of the SP7656 3-A (4A peak) non-synchronous buck regulator.
2005-08-02 PWM buck regulator delivers 3A
Micrel's new PWM buck (step-down) regulator provides up to 3A of output current. It operates at 1MHz and has external compensation that allows a closed loop bandwidth of over 100KHz.
2009-10-20 Power-supply controllers support IMVP-6.5 CPUs
Maxim Integrated Products has rolled out the MAX17030/MAX17036, 3/2-phase, interleaved, step-down VID power-supply controllers that support IMVP-6.5 notebook CPUs.
2004-11-24 Power supply meets AMD K8 low-power mobile specification
This app note describes a two-phase, synchronous, step-down converter that uses MAX1937 to achieve a power supply that is fully compliant with the AMD K8 low-power mobile specification.
2008-05-05 Power management IC meets CDMA handset needs
AnalogicTech has launched a power management IC designed with a single-cell Li-ion battery charger, a 300mA step-down converter, five LDO regulators, a reset function and an I2C interface to supply all the power requirements of new CDMA handsets.
2014-09-16 Power management IC features 4MHz switching frequencies
The chip from AMS also integrates DC-DC buck and boost converters, step-down controller and LDOspower management building blocks required to power Li-ion battery-operated handheld devices.
2014-05-30 Power management device integrates dual regulators
The MIC23099 from Micrel combines a 1MHz step-up converter capable of delivering 400mW of output power with a step-down converter that provides up to 30mA of output current.
2014-06-10 Power converter for negative output voltage apps
Find out how to produce negative output voltages from positive input voltages using Maxim Integrated Products' MAX17501 and MAX17502 synchronous step-down converters.
2010-04-13 Power controller handles DDR memories
Exar Corp. has extended its line of low-voltage, step-down controllers specifically targeted at DDR memory power architectures.
2012-04-02 Operations of LMR12010 demo board
Learn about the features and operations of LMR12010, a step down DC-DC regulator offered by National Semiconductor.
2002-05-13 ON Semi controller meets VRM 8.5 requirements
The CS5308 two-phase, step-down controller incorporates on-board gate drivers and PowerGood output to provide the necessary control functions required to power high-end desktop PCs and servers adhering to Intel's VRM 8.5 power supply specifications.
2005-08-01 New switching regulator from Linear Tech
A 60V (with transients up to 80V) 200kHz step-down switching regulator with quiescent current under 100?A was recently launched by Linear Tech.
2005-04-14 New dc-dc controller suits avionics, telecom power systems
Linear Tech introduced a 125C-rated wide input and output voltage range versatile dc-dc controller that designed for use in step-down, step-up, inverting or SEPIC circuits with up to 100W of output power
2005-06-28 New dc-dc controller eliminates gate charging, switching losses
Linear Technology has developed a PolyPhase step-down synchronous controller with guaranteed operation and precision for junction temperatures as high as 140C.
2002-01-08 National Semiconductor switching controller features easy-use design
The LM3485 switching controller is designed to enable a switching regulator solution for a wide range of step-down requirements without the need for compensation.
2007-09-14 Multiphase DC/DC controller suits power audio amps
Linear Technology had unveiled the LTC3811 dual output synchronous step-down DC/DC controller with multiphase operation, differential output voltage sensing and integrated PLL synchronization.
2010-09-02 Multi-chip power module for portable devices
Torex module combines a 3A step-down DC/DC controller and a P-ch Power MOSFET
2012-03-29 Mitigating conducted EMI from DC-DC converters
Here's a look at the theory and mitigation techniques of the conducted portion of EMI, specifically as generated by a step-down switcher.
2003-08-13 Minmax dc-dc converters rake in 93 percent efficiency
Minmax Technology has released its IDS100 series of 10W dc-dc converters that feature step-down switching regulation and overload protection.
2009-06-12 Micro DC/DC converters come with integrated coil
Torex Semiconductor Ltd is offering a new step-down micro DC/DC converters with integrated coil, measuring 2.5mm x 2mm and a height of only 1mm.
2007-01-15 Maxim touts 'smallest' 500mA DC/DC converter
Maxim Integrated Products has introduced the MAX8640Y/MAX8640Z, said to be the industry's smallest 500mA, high-efficiency step-down DC/DC converters in a tiny SC70 package.
2002-05-02 Maxim slave controller targets low voltage dc/dc apps
Maxim Integrated Products has announced the availability of the MAX1980 step-down slave controller intended for use in low voltage, high-current, multiphase dc/dc applications such as those found in CPU core supplies, single- and two-stage converters, and notebooks PCs.
2003-03-04 Maxim power supply IC suit digital camera apps
The MAX1565 power supply IC integrates high-efficiency step-up and step-down dc/dc converters with three step-up controllers into a 5-by-5mm thin QFN package.
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