Low-Noise LDOs Come In 2-mm x 2-mm Package
Jan 2, 2008
From Maxim Integrated Products, the MAX8902A/MAX8902B are 500-mA, low-noise, low-dropout linear regulators offered in thermally enhanced, 2-mm x 2-mm TDFN packages....
Resonant Controllers Aim To Build Efficient Supplies at Low Cost
Dec 19, 2007
According to CamSemi, the Cambridge, England-based fabless semiconductor company, its C2470 controllers enable ac-dc supplies to achieve high efficiency, while costing the same or less than linears....
Current Sense Amp Features Wide Input Range
Dec 19, 2007
Linear Technology’s LT6105 is a precision current sense amplifier with an input common mode range that extends from –0.3 V below V-, up to 44 V above V-. ...
MOSFET-Schottky Chip Improves DC-DC Efficiency
Dec 19, 2007
Vishay Intertechnology’s single-chip power MOSFET and Schottky diode device is said to improve operational efficiency by up to 6% in dc-to-dc conversion applications compared with circuits using previous monolithic devices. ...
Vishay Expands Offerings Through Digi-Key
Dec 19, 2007
Vishay Intertechnology has expanded its distribution agreement with Digi-Key so that its extensive portfolio of semiconductor products is now available from Digi-Key. ...
Vendor Will Preview "Green" Power Chip at CES
Dec 19, 2007
GreenPlug, a developer of digital technology enabling real-time collaboration between electronic devices and their power sources, will preview its environmentally-friendly dc power hub at the 2008 International CES, being held January 7-10 in Las Vegas....
ON Semi. Acquires AMI Semi.
Dec 19, 2007
ON Semiconductor and AMIS Holdings have signed a definitive merger agreement providing for the acquisition of AMIS by ON Semiconductor in an all-stock transaction with an equity value of approximately $915 million. ...
Buck-Boost Module Operates With High Efficiency
Dec 12, 2007
Linear Technology's LTM4607, the latest member of its μModule family of dc-dc converters, uses a four-switch synchronous MOSFET design to achieve up to 92% efficiency in boost mode, and up to 97.7% efficiency in buck mode....
Stepdown Regulators Integrate Low-RDS(ON) Switches
Dec 12, 2007
Maxim Integrated Products’ MAX8833/MAX8855 are stepdown regulators that operate from 3.3-V or 2.5-V inputs, provide dual 3-A or dual 5-A outputs (respectively), and integrate low RDS(ON) internal MOSFETs....
IC-Style Modules Shrink Silicon Footprint for Buck Regulators
Dec 12, 2007
International Rectifier's SupIRBuck family of point-of-load regulators co-package controllers and MOSFETs in compact QFN packages, reducing the silicon footprint required to implement single-output, synchronous buck converters....
Power Switch Has Low On Resistance
Nov 28, 2007
STMicroelectronics’ quad high-side intelligent power switch, the VNI4140K, is
produced with VIPower technology to achieve a 50% reduction in RDS(ON) compared to earlier devices with the same die size....
Energy Manager System Enhances DSL Availability
Nov 21, 2007
To ensure very high availability for Dutch telecom operator KPN's DSL access multiplexers, Cherokee International has signed a frame contract with KPN to supply Cherokee's Magell@n energy-and-site-management solution....
Synchronous Buck Controller Includes Low-EMI Option
Nov 21, 2007
Micrel's MIC2130/1 is a series of high-voltage synchronous buck controller ICs that offer a frequency-dithering feature to minimize EMI....
