Global Sources
EE Times-Asia
Stay in touch with EE Times Asia
EE Times-Asia > Advanced Search > frequency constant

frequency constant Search results

total search574 articles
2012-06-01 Conductive droplets produce power
This new type of energy harvesters broadens the frequency range in which energy can be harvested, including the low frequency sources such as human body motion
2012-11-07 Choosing the right timing device (Part 2)
Know the other concerns for high performance oscillators: temperature response, frequency control and EMI reduction
2012-05-15 Charge pumps provide low input, output ripple
Linear Technology's LTC3261 and LTC3260 charge pumps function in either low quiescent current Burst Mode operation or low noise constant frequency mode at up to 88 percent efficiency, delivering up to 100mA of output current operating from 4.5V to 32V input voltage.
2007-04-24 Buck-boost DC/DC is qualified for automotives
Texas Instruments has introduced an automotive-qualified DC/DC power-management IC that switches autonomously between buck and boost modes to provide a constant regulated output voltage of 5V
2005-03-24 Buck regulator delivers up to 8A
The new high efficiency, 4MHz, synchronous buck regulator from Linear Tech uses a constant frequency, current mode architecture.
2006-03-03 Buck regulator delivers up to 7A
Linear Technology announced the LTC3415, a high efficiency, monolithic synchronous buck regulator using a phase lockable, constant frequency, current mode architecture.
2005-12-05 Buck regulator delivers 3A current
Linear Technology announced a 4MHz, synchronous buck regulator that uses a constant frequency, current mode architecture, and can deliver up to 3A of continuous output current at voltages as low as 0.8V.
2009-01-28 Boost mode converter drives up to 40 white LEDs
Linear Technology has launched the LT3599, a 45V, 2.1MHz DC/DC boost mode converter designed to operate as a constant current LED driver for up to 40 white LEDs
2012-01-13 Board mounted LED drivers feature 5, 7, 14, 20W
The LDU series of PCB mount DC input constant current LED drivers tout typical efficiency of 93 percent for the 5-14W models and 95 percent for 20W devices
2014-12-01 Best tech devices at Electronica 2014
The Internet of Things may have been a constant refrain, bringing together sensors, wireless, and microcontrollers, but so was automotive with exactly the same combination
2009-12-03 ADCs use only 275mW/channel at 250MSps
The 14bit ADC offers 72.5dB SNR at 100MHz input frequency and dynamic power scaling that cuts power use to 215mW at 160MSps
2008-05-09 AAT1231 Eval: Step-up DC/DC converter for white LED backlight apps
AnalogicTech's AAT1231 is a high-frequency, high-efficiency constant current boost converter driving up to six white LEDs in series or up to 12 white LEDs in parallel/series configuration.
2008-05-08 AAT1217 Eval: 1.2MHz, 600mA micropower synchronous step-up converter
AnalogicTech's AAT1217 is a 1.2MHz constant-frequency, current-mode PWM step-up converter that can supply a 3.3V output voltage at 100mA from a single AA cell.
2009-02-18 2MHz LED driver suits compact apps
A 2MHz buck (step-down) LED driver from Allegro MicroSystems Inc. uses constant on-time with valley current-mode control. Its small size and high efficiency make it suitable for compact applications
2006-08-16 2MHz DC/DC converter runs as a quad LED driver
Linear Technology has announced the LT3476, a 2MHz DC/DC converter designed to operate as a four-channel constant current LED driver
2006-10-23 Starter kit promises precise transmission control
Infineon said its new transmission starter kit platform promises the most precise control in the industry and includes all key IC content for next-generation wide gear ratio automatic transmissions.
2007-07-12 MCU architecture touts optimized peripheral data management
STM32, the new 32bit MCU family introduced by STMicroelectronics combines optimized peripheral data management at the architecture level with an ARM Cortex-M3 core to provides high performance and improved code density.
2003-09-30 Catalyst white releases LED driver for color LCD modules
Catalyst Semiconductor Inc. has announced entry into a new market segment with its first white LED driver integrated circuit, the CAT32.
2009-11-20 AAT1239-1 enhanced efficiency application solution
This application note discusses how to select external components for the AAT1239-1 and enhance its efficiency based on power loss analysis in Li-ion battery applications.
2010-04-14 WLED driver offers flicker-free dimming feature
Micrel Inc. has released the MIC3263 six-channel WLED driver equipped with a highly versatile dimming control scheme for LED brightness in small LCD panels.
2007-03-27 WLED driver features integrated Schottky diode
Linear Tech's LT3591 white LED driver features an integrated Schottky diode on chip, eliminating both the added cost and space required by an external diode.
2010-03-31 WLED driver ensures precise brightness control
Maxim Integrated Products is rolling out a high-efficiency WLED driver with an integrated boost converter and five GPIO ports.
2008-02-01 WLED driver enables large LCDs in portable apps
By driving up to 10 WLEDs in a serial string, AnalogicTech's new boost converter simplifies the use of larger LCD panels in battery-powered portable devices.
2004-11-25 Wireless modem chip doubles channels
Wireless-chip startup Provigent Inc. is aiming to lower the cost of establishing a point-to-point broadband wireless connection with the PVG310, a single-chip modem that uses cross-polarization interface cancellation (XPIC) technology to double channel capacity.
2013-04-30 Why flash storage is important to MEMS
Solid state drives operate at higher temperatures, and MEMS devices can withstand that environment because they regulate themselves.
2012-06-07 Why active probes are worth buying
Although active probes are more expensive than passive ones, they offer a superior level of performance that may be essential in certain circumstances.
2005-06-30 White-LED driver touts innovative brightness control
Micrel points to its MIC2297, a PWM boost regulator that's optimized for driving 10 white LEDs in series, for its innovative brightness control circuitry, which in addition to conserving power also helps to cut noise and EMI.
2006-03-31 White LED drivers feature dual-gain architecture
National Semiconductor introduced three new inductorless white LED drivers for display backlighting in cellphones, PDAs, portable gaming devices and MP3 media players.
2009-08-27 White LED driver promises up to 55% power saving
National Semiconductor claims the smallest white LED driver with dynamic display backlight control that drives up to 11 high-current LEDs in series, illuminating larger displays in portable apps.
2015-10-12 What you need to know about sensor fusion
Here is a look at the general concept of sensor fusion, the historical perspective, and two detailed casesinertial sensor fusion and image fusion.
Bloggers Say

Bloggers Say

See what engineers like you are posting on our pages.

Back to Top