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Search results: 215   Output: 51-60
  1. Susanne Nell EDN To measure high levels of direct current for overload detection and protection, designers frequently use either a current-shunt resistor or a toroidal core and Hall-effect magnetic-field sensor. Both methods suffer from drawbacks. ...
    22-10-2015
  2. Philip Karantzalis, Linear Technology Design Note 529 Introduction A common problem in power distribution systems is loss of regulation due to the cable/wire voltage drop between the regulator and the load. Any increase in wire resistance, cable ...
    Circuits » Supply · Power » Linear Technology » LT6110, LT3080, LT3976
    20-10-2015
  3. Vladimir Rentyuk EDN Most engineers know that they can use an inexpensive, three-terminal adjustable regulator, such as Fairchild Semiconductor’s LM317 , as an adjustable regulator to only some necessary value of voltage, such as 36 or 3 V. ...
    Circuits » Supply · Power » Fairchild » LM317
    13-10-2015
  4. Sajjad Haidar Electronic Design When a MOSFET or IGBT gate-threshold voltage is higher than the available drive voltage, it's standard to use an op amp or other driver to bridge the difference. This circuit uses a basic optocoupler plus a few ...
    Circuits » Analogue Design · Power » TPL191B
    30-09-2015
  5. Vladimir Rentyuk EDN A TL431 shunt regulator is a perfect choice for many applications. You can use it as a comparator with hysteresis by taking advantage of its inner voltage reference along with few additional components. You can use this ...
    Circuits » Supply · Power » TL431
    17-09-2015
  6. Todor Arsenov EDN Most isolated, offline SMPSs (switched-mode power supplies), including flyback, forward, and resonant, must operate at input voltages of 90 to 260 V rms. Some cases even use line-to-line voltages of 400 V rms 10%, leading to ...
    01-09-2015
  7. Anthony Smith EDN Requiring only a handful of inexpensive components, the circuit breaker in Figure 1 responds to both overcurrent- and overvoltage-fault conditions. At the heart of the circuit, D 2 , an adjustable, precision, shunt-voltage ...
    Circuits » Power » TL431CLP, ZR431
    20-08-2015
  8. Keith Szolusha and Tage Bjorklund, Linear Technology Design Note 521 Introduction A DC/DC converter’s efficiency and component temperature are important considerations in high power applications where high current could overheat the catch ...
    19-08-2015
  9. Charlie Zhao, Linear Technology Design Note 532 Introduction The wide 4 V to 150 V input range of the LTC3639 stepdown DC/DC converter allows automotive, avionics and distributed power systems to: Cover extensive transient requirements Enable ...
    30-07-2015
  10. Sajjad Haidar EDN Power supplies with adjustable DC output ranging from 0 V to 30 V or 60 V are on the market. Above 60 V, there are not many. This Design Idea offers a solution. There are many fixed voltage switching mode power supplies (SMPS) ...
    Circuits » High Voltage · Supply · Power » Texas Instruments · Vishay » VOM1271, TL494
    15-07-2015
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