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Powerstax Unveil Growing Range of MIL and COTS Power Solutions at DESi 2011
Powerstax, one of Europe’s leading application-rich power solutions specialists, will be displaying their growing range of standard and custom COTs power solutions for MIL and non-tactical applications at this year’s DESi exhibition.
New Keithley Online Tutorial Provides Information on Ultra-Fast I-V Measurement Applications
Keithley Instruments a world leader in advanced electrical test instruments and systems, has created an interactive applications overview that provides instruction and insight into a variety of semiconductor measurement applications that require ultra-fast I-V measurements. The new overview, titled “Ultra-Fast I-V Applications,” can be viewed online at http://www.keithley.info/ultrafastIV.
Keithley Online Seminar Shows How to Test High Power Devices More Efficiently
Keithley Instruments, Inc. will webcast a free, online technical seminar titled “Fundamentals of High Power Semiconductor Device Testing” on Thursday, May 24 at 15:00 CEST. In recent years, there has been a surge of interest in the development of power semiconductor devices to meet the demands of more efficient, higher power end products.
Digital Control Power Supplies From TDK-Lambda Meet Medical Specs
TDK-Lambda has extended its digital power supply technology to include a new range of models designed specifically with medical applications in mind. With 4kVAC, reinforced input to output isolation, and other specifications such as and O/P to ground isolation of 1500VAC, the EFE300M meets the rigorous international safety standards for medical equipment, making it suitable for use in B and BF type medical applications.
High Power Synchronous Boost Controller Eliminates Heat Sink with 97% Efficiency
Linear Technology just announced the LTC3787, high power two phase single output synchronous step-up DC/DC controller, which replaces the boost diodes with high efficiency N-channel MOSFETs. This solution eliminates the heat sink normally required in medium to high power boost converters. The LTC3787 can produce a 24V at 10A output from a 12V input at up to 97% efficiency. The LTC3787's 135uA standby quiescent current when configured for Burst M...
Temperature-to-Voltage Converter Measures - Remote Diodes with 1°C Accuracy
Linear Technology introduced the LTC2997, a high accuracy temperature-to-voltage converter with built-in series resistance cancellation for 2.5V to 5.5V systems. Many low voltage systems today rely on temperature to assess overall system health and reliability. Traditional implementations require a series of filters, a precise reference and a current source, resulting in a complex conversion scheme prone to inaccuracies if not carefully designed...
Ideal Diode Controller from Linear Technology Integrates 5A MOSFET
Linear Technology has announced the LTC4358, a single high voltage ideal diode controller utilizing an internal 5A MOSFET to provide a simple, low loss replacement to Schottky diodes in high current applications. The controller and 20m Ohm internal N-channel MOSFET perform the function of a low forward voltage diode. This provides a lower loss path compared to the Schottky diode that in high current applications provides higher efficiency and pre...
Adjustable Shunt Regulator Operates Over a -55°C to 150°C Junction Temperature Range
Linear Technology announced a new high reliability MP-grade version of the LT1431, a three-terminal adjustable shunt voltage regulator that operates over a -55°C to 150°C junction temperature range. This device has a 100mA sink capability, 0.4% initial reference voltage accuracy and a ±1.4% maximum voltage drift over temperature. On-chip divider resistors allow the LT1431 to be configured as a 5V shunt regulator. By adding two exte...
Supply Protection Controller Guards Against Overvoltage, Undervoltage & Reverse Polarity Faults
Linear Technology introduced the LTC4365, an overvoltage (OV), undervoltage (UV) and reverse protection controller, with a -40V to 60V protection range, for applications that require windowed supply protection. The LTC4365 provides two comparator inputs to configure the OV and UV set points within the normal operating range of 2.5V to 34V using an external resistive divider. A gate pin controls a dual N-channel MOSFET to ensure only voltages wit...
Micropower, Low Noise Boost Converters with Integrated Schottky Diode
Linear Technology has announced the LT3494/A low noise boost converters with integrated power switches, Schottky diodes and output disconnect circuitry. The LT3494 uses a 180mA switch, the LT3494A uses a 350mA switch, and both parts are packaged in a 3mm x 2mm DFN-8 package. Their wide 2.3V to 16V input voltage range enables operation from single cell Li-Ion batteries up to fixed 12V input rails, delivering outputs up to 40V. The LT3494 can deliv...