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BDTIC TLF50211EL 2.2MHz Buck Converter 5V, 500mA, with Enable and Low Quiescent...
BDTIC TLF50211EL 2.2MHz Buck Converter 5V, 500mA, with Enable and Low Quiescent...

... 2.2MHz Buck Converter 5V, 500mA, with Enable and Low Quiescent Current The TLF50211EL is part of the TLF502x1-family of DC/DC buck converters offering various features sets like Enable, Reset and Watchdog. It is coming with integrated power transistor and is providing: „„ 500mA output current at 5V ...
Voltage-Mode, Current-Mode (and Hysteretic Control)
Voltage-Mode, Current-Mode (and Hysteretic Control)

... (independent) LC gain block and just multiply all the successive gain blocks. However, using the “canonical model”, it can be shown that an effective LC post-filter (a separate gain block) can be visualized for non-Buck topologies too, provided we use the effective inductance L = L/(1-D)2. The impor ...
Elect.machine digita..
Elect.machine digita..

... Navy equipment contain laminated-steel cores. These steel laminations (see figure 52) are insulated with a nonconducting material, such as varnish, and then formed into a core. It takes about 50 such laminations to make a core an inch thick. The purpose of the laminations is to reduce certain losses ...
X20(c)BR9300 - Multiway Control System
X20(c)BR9300 - Multiway Control System

Homework #8 - University of California, Berkeley
Homework #8 - University of California, Berkeley

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Happy Halloween Chapter 33 LC Circuits

... field of inductor oscillate The energy oscillates between E field stored in the capacitor and the B field stored in the inductor ...
J. Phinney and D.J. Perreault, “Filters with Active Tuning for Power Applications,” IEEE Transactions on Power Electronics , Vol. 18, No. 2, March 2003, pp. 636-647.
J. Phinney and D.J. Perreault, “Filters with Active Tuning for Power Applications,” IEEE Transactions on Power Electronics , Vol. 18, No. 2, March 2003, pp. 636-647.

... frequency commanded by the VCO, but introduces harmonics not present in the VCO output. The capacitive divider presents a high impedance to resonator currents relative to the resonator capacitance, and provides a scaled version of the resonator’s internal node voltage which, at the series-resonant f ...
Lab06_La_Juan
Lab06_La_Juan

... Calculating errors are also made. When the results are rounded off early in calculations, it affects the following steps. In the experiment, the theoretical voltage and current are rounded off so when total voltage and current are calculated they are not going to come out perfect. In the experiment, ...
PA1DSP - Why NOT to use the NE602
PA1DSP - Why NOT to use the NE602

... In my opinion, any (simple) receiver that uses an NE602 as its front-end mixer must be considered a toy. Incidentally, the K1 from Elecraft uses an NE602 chip as its first mixer. The designers reduced the chances of overloading the mixer by putting a 9th-order filter at its input. Even with this amo ...
Rail-to-rail 0.9 V nanopower comparator
Rail-to-rail 0.9 V nanopower comparator

... The TS881 device is a single comparator featuring ultra low supply current (210 nA typical with output high, VCC = 1.2 V, no load) with rail-torail input and output capability. The performance of this comparator allows it to be used in a wide range of portable applications. The TS881 device minimize ...
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User Guide pdf (Page 11 - 12)

THE SWITCHING BEHAVIOUR OF AN IGBT IN ZERO CURRENT
THE SWITCHING BEHAVIOUR OF AN IGBT IN ZERO CURRENT

... in the base near the drain sided pn-junction is recognizable. This current tail lasts until the charge is completely removed only by recombination of the carriers. Only if the time of negative switch current is long enough to remove all the charge the IGBT doesn't show current tail as stated by Risc ...
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... Please also pay attention to information published by Mitsubishi Electric Corporation by various means, including the Mitsubishi Semiconductor home page (http://www.MitsubishiElectric.com/). •When using any or all of the information contained in these materials, including product data, diagrams, cha ...
A Few Aspects of Power Quality Improvement Using Shunt Active
A Few Aspects of Power Quality Improvement Using Shunt Active

... harmonic currents are varying. One case evident of demanding varying harmonics from the power system are variable speed drives. Its structure may be either of the series of parallel type. The structure chosen for implementation depends on the type of harmonic sources present in the power system and ...
SP2209E 数据资料DataSheet下载
SP2209E 数据资料DataSheet下载

... shown in Figure 10. This method will test the IC’s capability to withstand an ESD transient during normal handling such as in manufacturing areas where the ICs tend to be handled frequently. ...
3 Ohm`s Law and Resistors
3 Ohm`s Law and Resistors

... A potential difference in a circuit will cause the free electrons in the metal of the wires to flow. The electrons will always move towards a higher potential. A high potential can be thought of as positive charge. Since electrons are negative they will be attracted to the high potential and flow. T ...
AN-4151 Half-Bridge LLC Resonant Converter Design Using FSFR
AN-4151 Half-Bridge LLC Resonant Converter Design Using FSFR

... ON Semiconductor and the ON Semiconductor logo are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries. ON Semiconductor owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other in ...
Lab One: Introductory Digital Design Laboratory
Lab One: Introductory Digital Design Laboratory

... After building the clock, we were uncertain as to how it was to be used in implementing the “change of MOOD” detector. In addition, the purpose and expected results of the MOOD circuit were unclear and confusing. Much time was spent on this because we did not know that multiple chips were allowed. E ...
MP11 High Sensitive Metal Detector for Detecting Metal Objects
MP11 High Sensitive Metal Detector for Detecting Metal Objects

Instruction manual
Instruction manual

CM8870 - Bilim Teknik
CM8870 - Bilim Teknik

... the minimum signal duration to be recognized by the receiver. A value for C of 0.1µF is recommended for most applications, leaving R to be selected by the designer. For example, a suitable value of R for a tREC of 40ms would be 300K. A typical circuit using this steering configuration is shown in Fi ...
Electric Current (Chap. 23)
Electric Current (Chap. 23)

... for 10 hours? What does it cost to run a 1200 watt microwave for ...
LTC1066-1 - 14-Bit DC Accurate Clock
LTC1066-1 - 14-Bit DC Accurate Clock

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Switched-mode power supply



A switched-mode power supply (switching-mode power supply, switch-mode power supply, SMPS, or switcher) is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently. Like other power supplies, an SMPS transfers power from a source, like mains power, to a load, such as a personal computer, while converting voltage and current characteristics. Unlike a linear power supply, the pass transistor of a switching-mode supply continually switches between low-dissipation, full-on and full-off states, and spends very little time in the high dissipation transitions, which minimizes wasted energy. Ideally, a switched-mode power supply dissipates no power. Voltage regulation is achieved by varying the ratio of on-to-off time. In contrast, a linear power supply regulates the output voltage by continually dissipating power in the pass transistor. This higher power conversion efficiency is an important advantage of a switched-mode power supply. Switched-mode power supplies may also be substantially smaller and lighter than a linear supply due to the smaller transformer size and weight.Switching regulators are used as replacements for linear regulators when higher efficiency, smaller size or lighter weight are required. They are, however, more complicated; their switching currents can cause electrical noise problems if not carefully suppressed, and simple designs may have a poor power factor.
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