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What is uninterruptible power supply (UPS)?
An uninterruptible power supply (UPS) is equipment that provides emergency power to a load when the input power source, typically the utility mains, fails. A UPS differs from an auxiliary or emergency power system or standby generator in that it provides
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2004-05-03 Bringing energy efficiency to non-isolated apps
Power Integrations' off-line switcher IC addresses the higher load currents and energy requirements that will be demanded of tomorrow's non-isolated power solutions.
2004-07-16 EMI from the ground up: Maxwell to CISPR
To quash the veritable balloon called EMI, all we need is some physics and a clear understanding of 'power'.
2004-11-16 Designing low leakage current power supplies
Designing low leakage current power supplies
2004-11-23 Power-on reset and related supervisory functions
Power-on reset and related supervisory functions
2004-11-24 RF power amplifier efficiency improves with varied Vcc, from dc/dc supply
RF power amplifier efficiency improves with varied Vcc, from dc/dc supply
2004-11-24 Power supply meets AMD K8 low-power mobile specification
Power supply meets AMD K8 low-power mobile specification
2004-11-25 A printer adapter power supply for 90W peak with TEA1532
A printer adapter power supply for 90W peak with TEA1532
2004-11-26 AAT3190 positive/negative bias supply for CCD camera sensors
AAT3190 positive/negative bias supply for CCD camera sensors
2004-12-01 Voltage translation between 3.3-V, 2.5-V, 1.8-V, and 1.5-V logic standards with the TI AVCA164245 and AVCB164245 dual-supply bus-translating transceivers
Voltage translation between 3.3-V, 2.5-V, 1.8-V, and 1.5-V logic standards with the TI AVCA164245 and AVCB164245 dual-supply bus-translating transceivers
2004-12-16 Using cost-effective PWM controller for small power-offline apps
Using cost-effective PWM controller for small power-offline apps
2005-06-08 Compact-footprint, 60A, two-phase power supply for AMD K8 motherboards
Compact-footprint, 60A, two-phase power supply for AMD K8 motherboards
2005-06-10 UCC28517 100-W PFC power converter with 12V, 8W bias supply, Part 1
UCC28517 100-W PFC power converter with 12V, 8W bias supply, Part 1
2005-06-10 Using the UCC3580-1 controller for highlyefficient 3.3V/100W isolated supply design
Using the UCC3580-1 controller for highlyefficient 3.3V/100W isolated supply design
2005-06-10 UCC28517 100-W PFC power converter with 12V, 8W bias supply, part 2
UCC28517 100-W PFC power converter with 12V, 8W bias supply, part 2
2005-06-13 Power supply solution for DDR bus termination
Power supply solution for DDR bus termination
2005-06-13 SWIFTTM designer power supply design program
SWIFTTM designer power supply design program
2005-06-14 Optimal output filter design for microprocessor or DSP power supply
Optimal output filter design for microprocessor or DSP power supply
2005-06-14 Power supply solutions for TI DSPs using synchronous buck converters
Power supply solutions for TI DSPs using synchronous buck converters
2005-06-14 TI TPS5602 for powering TI's DSP
This app note features TI's TPS5602 (a dual-channel synchronous buck switchmode power-supply controller).
2005-06-16 Meet emerging power-supply efficiency requirements
Meet emerging power-supply efficiency requirements
2005-06-20 Ramp compensation for the NCP1200
This app note details how to properly cure this problem by injecting the correct amount of ramp compensation.
2005-06-20 Tips and tricks to build efficient circuits with NCP1200
This app note answers typical questions that a designer can raise when starting his own system analysis, but also tries to answer some problems common to switch-mode power supply applications.
2005-06-21 Determining the free-running frequency for QR systems
This app note details how to evaluate the switching frequency at a given operating point and thus gives the designer the necessary insight to dimension his system.
2005-06-21 A 70W low standby power supply with the NCP120x series
A 70W low standby power supply with the NCP120x series
2005-06-21 A quasi-resonant SPICE model eases feedback Loop designs
This app note shows how a simple large-signal averaged SPICE model can be derived and used to ease the design work during stability analysis.
2005-06-21 A 30W power supply operating in quasi-square wave resonant mode
A 30W power supply operating in quasi-square wave resonant mode
2005-06-21 A 75W TV power supply operating in quasi-square wave resonant mode using the NCP1207 controller
A 75W TV power supply operating in quasi-square wave resonant mode using the NCP1207 controller
2005-06-22 Synchronizing NCP1207 (NCP1377/B, NCP1378)
This app note discusses how to synchronize the switching frequency of the power supply to avoid problems caused by the presence of signals of different frequencies inside the same apparatus.
2005-06-23 UD4001 LED driver demonstration boards
This app note demonstrates the NUD4001 demo boards for applications where the voltage difference between the input voltage and the LED's voltage is small (i.e. when a 12V supply voltage is used to power up a LED array composed of three Luxeon 1 devices).
2005-07-01 Bluetooth headset design—not just about chips
Beyond cost, size, feature integration and power consumption, know what to consider when looking for a Bluetooth chips solution
Max's Cool Beans

Clive Maxfield Strange modes of transport and other "stuff"

Someone just pointed me at a YouTube video that claims to show the world's first e-powered multicopter flight...

 

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