Digital potentiometers are ubiquitous components available in a variety of packages, resistances, and resolutions. However, few implement anything but the usual linear function of resistance vs. setting...
Articles and news - 2
Digital potentiometer simulates log taper to accurately set gain
Analog Devices introduced Low IQ Synchronous Boost Controller
Analog Devices introduced the LTC7804, a high performance synchronous boost DC/DC switching regulator controller that drives an all N-channel power MOSFET stage...
MOSFET Driver for Synchronous Rectification from Diodes Incorporated Supports CCM, DCM, and QR Operation
Diodes Incorporated announced the introduction of the APR348 secondary-side, multi-mode synchronous rectification MOSFET driver, designed for AC-DC rectification circuits in general consumer applications, notebooks, and USB adapters...
STMicroelectronics Launches Highly Integrated and Flexible Synchronous DC/DC Converters for Smart Industrial Applications
STMicroelectronics’ L6983 38 V/3 A synchronous DC/DC converters maintain high efficiency at all loads with a maximum value of 95% and are highly integrated with synchronous MOSFETs on-chip to save external components and simplify design...
Cascode Configuration Removes Miller Effect, Boosts PFC Performance
The power factor corrector front end of an off-line power supply is subject to the operating frequency limitation caused by the Miller Effect of its associated power MOSFET. This effect is a property of any transistor configuration...
TI's EMI-optimized integrated transformer technology miniaturizes isolated power transfer into IC-sized packaging
Texas Instruments introduced the first integrated circuit developed with a new proprietary integrated transformer technology: a 500-mW high-efficiency isolated DC/DC converter with the industry’s lowest electromagnetic interference...
Improved Power-Factor Corrector Further Minimizes Miller Effect
In [1] a cascode connection of two MOSFETs helped eliminate the Miller effect and significantly improve power factor correction performance. However, the schematic that was tested and published was less than perfect for an important reason...
Toshiba launches new high-resolution micro-stepping motor driver IC with integrated current sensing
Toshiba Electronics Europe has launched an additional device to its line-up of micro-stepping motor driver ICs. The new TC78H670FTG is a dual channel high resolution micro-stepping motor driver IC that is capable of driving motors with a wide range of operating voltages...
Vishay Intertechnology's New Proximity Sensors Feature Power Consumption Down to 6 µA in 2.55 mm x 2.05 mm x 1.0 mm SMD Package
The Optoelectronics Group of Vishay Intertechnology introduced two new fully integrated proximity sensors designed to increase efficiency and performance in consumer and industrial applications...
FH67 Series, 0.5mm Pitch, One Action Lock, Vertical Connection, Robust, 125° Heat Resistant, FFC/FPC Connector
HIROSE Electric has introduced the FH67 series of robust, flat flexible cable/ flat printed circuit connectors...