Mobile Systems Poised to Take Advantage of Power-Pinching ICs and Architectures
Aug 1, 2010
Longer battery life provided by new ICs and innovative power management will drive design of mobile systems, including smartphones, tablets and other portable, hand-held products...

True Bridgeless PFC Converter Achieves Over 98% Efficiency, 0.999 Power Factor: Part 2
Aug 1, 2010
A Bridgeless PFC converter based on a novel switching method eliminates full-bridge rectifiers and helps to reduce the size and cost of switching power supplies...

Adaptive On-Time DC-DC Converters Combine Speed and Efficiency
Aug 1, 2010
Advanced control loop adjusts the on-time based on input and output voltages, resulting in pseudo-fixed frequency operation with ±15% accuracy and predictable EMI...

6A, 2.5MHz, 42V Boost/Inverting DC/DC Converter with Fault Protection
Jul 28, 2010
Linear Technology Corporation announces the LT3579, a current mode, fixed frequency step-up DC/DC converter with integrated fault protection features for output shorts, input/output overvoltages, and overtemperature conditions. ...

Half-Chip PRM Regulator
Jul 13, 2010
V.I Chip, a subsidiary of Vicor Corporation, announced its half-chip PRM (pre-regulator module), the newest member of the company's V.I Chip product line. ...

3.3A, 2.5MHz, 42V Boost/Inverting DC/DC Converter with Fault Protection
Jun 9, 2010
Linear Technology Corporation has announced the LT3581, a current-mode, fixed-frequency step-up DC/DC converter with integrated fault protection features for output shorts, input/output overvoltages, and overtemperature conditions. ...

PCPM | Peak Current-Mode DC-DC Converter Stability Analysis
Jun 1, 2010
Popularity and perceived advantages of current-mode control (CMC) have made it de rigueur as a loop control architecture with many power management IC...

Selecting Protection Devices: TVS Diodes vs. Metal-Oxide Varistors
Jun 1, 2010
Silicon diodes and metal-oxide Varistors are used to protect delicate circuit components from electrostatic discharge (ESD) or other transient events. These guidelines can be used when comparing two devices (TVS or MOV) of the same technology....

Dual Positive/Negative ±20VIN ±150mA LDO Offers 20µVRMS Noise
May 10, 2010
Linear Technology Corporation announces the LT3032, a dual, low noise, positive/negative low dropout voltage linear regulator...

GreenChip Resonant Controller With Integrated Power Factor Correction
May 10, 2010
NXP Semiconductors announced the GreenChip TEA1713 resonant half-bridge converter - the industry's first resonant controller with integrated Power Factor Correction (PFC), capacitive mode protection and adaptive deadtime control...

Controller IC Eliminates Remote Sense Lines for Long Cable Runs
May 1, 2010
Linear Technology's LT4180 is a Virtual Remote Sense power supply controller that eliminates the remote sense connections used with power converters to...

Constant On-Time, Synchronous Buck Controllers
Apr 28, 2010
Analog Devices, Inc. (ADI) introduced two current-mode, synchronous buck controllers that support input-power voltages ranging from 2.95 V to 20 V....

20-V Step-Down DC-to-DC Non-Synchronous Regulators
Apr 28, 2010
Analog Devices, Inc. (ADI) introduced the ADP2300 and ADP2301 dc-to-dc switching regulators, the most recent in their growing portfolio of integrated power management switching regulators...

Triple Output, Buck/Buck/Boost Synchronous DC/DC Controller
Apr 5, 2010
Linear Technology Corporation introduces the LTC3859, a triple output (buck, buck, boost), low quiescent current synchronous DC/DC controller that maintains all output voltages in regulation during automotive cold crank conditions...

One Powerful Decade: Next Generation Monolithic Off-Line Switcher Improves Performance, Flexibility
Apr 1, 2010
Consumer electronic systems require small size power supplies with a minimum number of components so that they represent a low cost to the overall system....