Laurence Marchini, Editor, writes:
We see from your search that you're looking for information on the term "Overvoltage protection",
and we have a large number of manufacturers' news releases and technical articles here on Electronicstalk which will be of interest.
Let me be your guide.
Start with
the news release Compact outline for three-output switchers from
Nu Horizons Electronics Corp, which we summarised at the time by saying "Triple-output universal-input 50W switching power supplies have a compact 50.8 x 101.6mm footprint and are less than 1U high".
A couple of weeks before,
we featured the news release High-voltage supply is tested to extremes from
Emco High Voltage Corp: "Designer can now get all the engineering extras of the award winning high voltage power supply selected by project Icecube in one cost effective module".
In December 2007, we covered the news from Lambda
concerning its ZPSA power supply range
- take a look at Single-output supplies keep a low profile
which says: "An ideal choice for applications ranging from video/audio routers, datacomms, point of sale equipment, low power LED signs and lighting".
Take a look also at the news release from Linear Technology Corp, Controller cuts boost convertors down to size,
as well as Brick drops in to boost basestation efficiency from Ericsson Power Modules,
and Circuit protection lab opens in Shanghai from ON Semiconductor.
See also:
Industrial power supplies have five-year warranty
(December 2007)
Powerful 1000W supplies mount in 2U of rack space and are particularly well suited to factory automation, test and measurement equipment and automated service equipment applications
CAN transceivers run over longer wires
(November 2007)
Transceivers allow the use of CAN-enabled equipment in industrial applications requiring line lengths in excess of 500m
Eighth-brick convertors power through the heat
(November 2007)
Convertors provide 30A output at regulated voltages of 3.3 to 1.2V with little or no derating at elevated temperatures
Buck regulator boosts efficiency up to 95%
(November 2007)
High-efficiency synchronous buck regulator delivers up to 12A of continuous output current at voltages as low as 0.6V
Surge protectors safeguard telecomms kit
(November 2007)
Thyristor surge protection devices provide overvoltage protection by diverting energy away from the circuit being protected
Regulator protects against spikes and hot swapping
(November 2007)
Overvoltage protection regulator incorporates overcurrent protection and inrush current limiting to improve power supply reliability in high-availability systems
Board mount switchers squeeze in more power
(October 2007)
PCB mountable AC/DC power supplies meet demand for ever more diminutive, lightweight PSUs in applications ranging from factory automation to instrumentation
More power from DIN-rail supplies
(September 2007)
DIN-rail power supplies produce 240W with convection cooling, boasting 90% efficiency for factory automation, industrial control systems and test equipment applications
Controller simplifies step-down supplies
(September 2007)
Switching regulator controller directly steps down voltages from 60V to output voltages ranging from 0.8V to 93% of the input
Overcurrent protectors are TUV approved
(August 2007)
Following extensive testing, the TSF4S and TSF4SS series of ceramic PTC overcurrent protectors are now TUV approved
DC supply stands the test of efficiency
(July 2007)
Highly versatile general-purpose DC power supply is ideal for R and D, production test and instrumentation applications
Controllers ease POL convertor design
(July 2007)
Dual-channel synchronous buck control ICs integrate high performance drivers for medium- to high-current point-of-load buck convertors
LDO cuts power for long-term standby
(July 2007)
Power-saving low-dropout regulator is ideal for applications requiring long battery runtimes and high tolerance for input-voltage variations
Power interface module aids AdvancedTCA compliance
(July 2007)
Power interface module offers designers the smallest available overall power solution for ATCA carrier card designs
Controllers cut power for overvoltage protection
(June 2007)
Overvoltage-protection controllers drive external P-channel FETs to provide protection to low-voltage systems against high-voltage faults up to 28V
Programmable supplies give more from 3U
(June 2007)
Genesys 3U supplies are available with output capacities up to 15kW - a power requirement traditionally only satisfied by 5U power supplies
Convertors boost LED drive efficiency
(May 2007)
Two new 1.25MHz current-mode boost convertors are optimised for white LED applications
Two-phase control cuts power losses
(May 2007)
PFC control circuit helps reduce power system cost and save energy in consumer applications, such as digital TVs, personal computers and entry-level server platforms
Convertor has high efficiency for comms market
(April 2007)
A drop-in replacement DC/DC convertor platform, the PKY4716PI, makes use of the industry standard full-brick format and footprint, making it an excellent drop-in replacement for enhanced performance
More power to half-brick convertors
(April 2007)
DC/DC convertors deliver a full 450W of output power from an industry-standard low-profile half-brick package
Single-output convertors cover a wide range
(April 2007)
Comprehensive range of enclosed DC/DC convertors offers output powers from 15 to 350W
Application specific PSUs configured online
(March 2007)
Designers can configure their own application specific power supplies online and purchase from their nearest authorised distributor
White LED driver simplifies control
(March 2007)
PWM white LED driver incorporates internal Schottky diode and true single-wire digital interface for brightness control and enable
DIN rail supplies move beyond industrial tasks
(February 2007)
Slimline switching power supplies address fast growing demand for low power DIN rail applications
Quarter bricks drop in to upgrade power designs
(February 2007)
DC/DC modules provide extra output voltage ranges, more current and more power for telecomms and data equipment vendors
Small flash LED driver for mobile handsets
(December 2006)
California Micro Devices has unveiled a new family of PhotonIC white LED drivers capable of supporting a wide range of high current flash LEDs in today's most advanced handsets
Platform expands entry-level handset features
(December 2006)
Agere Systems has introduced the TrueNTRYX122, a low-cost cellular phone platform for the market's largest segment
Current mode controller is ideal for automotive
(November 2006)
The LTC3824 is a 4 to 60V input range, 100% duty cycle, low quiescent current, adjustable switching frequency DC/DC current mode controller
Antenna switch needs no voltage convertor
(November 2006)
New from Peregrine Semiconductor, the PE42612 RF antenna switch is a flip-chip SP4T switch for multiband GSM/Edge handset applications
Flexible supplies squeeze in more power
(November 2006)
The latest model in the fleXPower family of configurable power supplies, the fleXPower X10 brings an 11% increase in power using the same size chassis as earlier 900W models
Multiple-output supplies keep low profile
(November 2006)
The MTW series of multiple-output power supplies feature slim, compact construction with an exceptionally low unit height of 26mm for all models and are available in 15, 30 and 60W versions
DIN-rail switchers satisfy low-power demands
(November 2006)
Sunpower has a new slimline DIN-rail switching power supply, the MDR-20 Series, for the fast growing demand of low wattage DIN rail applications
LED drivers cut backlight supplies down to size
(November 2006)
ON Semiconductor has expanded its LED power portfolio with the addition of two dual-output white LED drivers for handheld and consumer applications
LED driver powers up handset camera lights
(October 2006)
Catalyst Semiconductor has announced the availability of a high power, 500mA inductive boost LED driver for movie/flash mode applications