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Search results: 432   Output: 1-10
  1. Jim Williams EDN You use a JFET's self-biasing characteristics to build a dc/dc converter that operates from power sources such as solar cells, thermopiles, and single-stage fuel cells, all of which deliver less than 600 mV and sometimes as ...
    11-01-2017
  2. Raymond Zheng, Linear Technology EDN The demand for negative-voltage power supplies is increasing with the popularity of applications for portable devices. It can be expensive and relatively complicated to generate a negative supply from a positive ...
    Circuits » Supply · Power » Linear Technology » LTC1983ES6-5
    06-01-2017
  3. Michael Whybray EDN Most desk fans I have come across have three speeds: Full Speed, Almost Full Speed, and Off useless if you want just a gentle air movement, and far too noisy if you are trying to get to sleep (in your bedroom of course, not at ...
    Circuits » Supply · Digital » Texas Instruments » 74HCT191, CD4070B
    06-01-2017
  4. Keith Szolusha EDN In certain dc/dc-converter applications, on-chip, cycle-by-cycle current limit may be insufficient protection to prevent a failure during a short circuit. A nonsynchronous boost converter provides a direct path from the input to ...
    14-12-2016
  5. Poonam Deshpande Electronic Design A basic combination of a photovoltaic panel, multiple LEDs, and a small dc-dc regulator can provide light in dark corners while also offering a modest auxiliary dc-power rail. A solar-powered, daytime-only lamp ...
    Circuits » Supply · Radio · Light · Solar » ON Semiconductor » MC34063
    14-12-2016
  6. Bob Smith, Linear Technology Design Note 1036 Introduction The LTC®4370 is a 2-supply current sharing, diode- ORing controller that uses MOSFETs to form ideal diodes. In this way, the LTC4370 can actively balance the output currents of two ...
    Circuits » Supply · Power » Linear Technology » LT1716, LT6650, LTC4370
    02-12-2016
  7. Richard Dunipace EDN Low-cost DVM (digital-voltmeter) modules are economical and can significantly reduce design time for instrumentation. Yet, these modules also involve a significant number of design challenges. For example, their inputs are not ...
    Circuits » Measurement · Supply » Fairchild » FOD2741C, KSD1621STF, MMBT5087
    02-12-2016
  8. Sajjad Hajdar Electronic Design Most common current-limiting implementations have a voltage drop that’s too high for today's systems with their low-voltage supply rails; this design with its far lower voltage drop is a better fit. There ...
    18-11-2016
  9. Peter Miller EDN Like other simple, single-cell lithium-ion battery chargers, Microchip’s MCP73812 provides no means of indicating the charging status. You can remedy this situation by adding four components (Figure 1). Add one more LED, and ...
    Circuits » Supply · Power » Microchip » MCP73812
    24-10-2016
  10. Keith Szolusha, Linear Technology Design Note 548 Synchronous buck-boost converters with four power switches can deliver very high efficiency while providing both step-up and step-down DC/DC conversion. Combining the capabilities of two separate ...
    18-10-2016
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