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AN2839
AN2839

... Choosing the bulk capacitor Since the bulk capacitor, placed between the VS and GND pins, is charged and discharged during IC operation, its AC current capability must be greater than the RMS value of the charge/discharge current. This current flows from the capacitor to the IC during the on time (t ...
neutral grounding
neutral grounding

Datasheet - Mouser Electronics
Datasheet - Mouser Electronics

... comparator output becomes HIGH and LOW when the ZCD goes below 1.4V. At the falling edge of comparator output, internal logic turns on the MOSFET. ...
TC4011BP,TC4011BF,TC4011BFN,TC4011BFT
TC4011BP,TC4011BF,TC4011BFN,TC4011BFT

... • TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing TOS ...
Power Diodes - Dr. Imtiaz Hussain
Power Diodes - Dr. Imtiaz Hussain

... – These diodes are designed to be used in high frequency circuits in combination with controllable switches where a small reverse recovery time is needed. – At power levels of several hundred volts and several hundred amperes such diodes have trr rating of less than few microseconds. ...
INA333 - Texas Instruments
INA333 - Texas Instruments

... and WSON surface-mount packages and is specified over the TA = –40°C to +125°C temperature range. ...
Stream Depth Sensor and PCB Mill tutorial
Stream Depth Sensor and PCB Mill tutorial

... different ecosystems has sparked a need for instruments that can measure different aspects of each system. This stream depth sensor developed by the National Oceanic and Atmospheric Association (NOAA) uses an acoustic sensor to measure the water level in streams and rivers. The data this device coll ...
MAX1895/MAX1995 High-Efficiency, Wide Brightness Range, CCFL Backlight Controllers General Description
MAX1895/MAX1995 High-Efficiency, Wide Brightness Range, CCFL Backlight Controllers General Description

... The MAX1895/MAX1995 integrated controllers are optimized to drive cold-cathode fluorescent lamps (CCFL) using a synchronized full-bridge inverter architecture. Synchronized drive provides near sinusoidal waveforms over the entire input range to maximize the life of CCFLs. The controllers also operat ...
3-V to 17-V 1-A Step-Down Converter with DCS
3-V to 17-V 1-A Step-Down Converter with DCS

... With their wide operating input voltage range of 3 V to 17 V, the devices are ideally suited for systems powered from either a Li-Ion or other battery as well as from 12-V intermediate power rails. It supports up to 1-A continuous output current at output voltages between 0.9 V and 6 V (with 100% du ...
NEGATIVE RESISTANCE CHARACTERISTICS AND USES OF
NEGATIVE RESISTANCE CHARACTERISTICS AND USES OF

Evaluates: MAX40200 “Ideal-Diode” in a 4
Evaluates: MAX40200 “Ideal-Diode” in a 4

... device blocks reverse voltages and passes current when forward-biased, just as a normal diode would. The device, when forward-biased and enabled, conducts with as little as 45mV of voltage drop while carrying currents as high as 500mA. At higher currents (up to 1A), the voltage drop increases linear ...
sky walker - Rapid Electronics
sky walker - Rapid Electronics

... The markings on the PCB show exactly at which location you should solder the parts. If you need more information, please check the drawing of the PCB. We always start to solder the lowest and non critical parts, these are normally the resistors and ceramic capacitors, and finish with the higher crit ...
Power Supply Noise Reduction - The Designer`s Guide Community
Power Supply Noise Reduction - The Designer`s Guide Community

... impedance bypass element rather than the supply. Second, it acts as a low pass filter so that the high-frequency content of any current that does pass through the series element will be attenuated, making it more likely that the regulator will be able to react and keep the supply voltage stable. FIG ...
Unit 23: ERROR PROPAGATION, DIRECT CURRENT CIRCUITS
Unit 23: ERROR PROPAGATION, DIRECT CURRENT CIRCUITS

A New Low-Cost Flexible IGBT Inverter Power Module for
A New Low-Cost Flexible IGBT Inverter Power Module for

Varistors MLA Datasheet
Varistors MLA Datasheet

... (EMC). The MLA Series is typically applied to protect integrated circuits and other components at the circuit board level. The wide operating voltage and energy range make the MLA Series suitable for numerous applications on power supply, control and signal lines. ...
ANALYSIS AND IMPLEMENTATION OF HIGH GAIN TWO INPUT
ANALYSIS AND IMPLEMENTATION OF HIGH GAIN TWO INPUT

... and which will reduce the cost and size of the converter topology. Many electrical systems in future will be supplied by two or more sources in order to increase the reliability, flexibility and more utilization of energy sources. Therefore two or more input sources must be combined to meet the futu ...
ADF5000 数据手册DataSheet 下载
ADF5000 数据手册DataSheet 下载

... charge pump supply (VP). This can be easily achieved using a simple resistor divider, ensuring sufficient decoupling close to the +IN A pin of the OP184. This configuration, in turn, allows the use of a single positive supply for the op amp. Alternatively, to optimize performance by ensuring a clean ...
Autonomous USB PD controller with integrated discharge path
Autonomous USB PD controller with integrated discharge path

MAX1637 Miniature, Low-Voltage, Precision Step-Down Controller General Description
MAX1637 Miniature, Low-Voltage, Precision Step-Down Controller General Description

... such as capacitor ripple current. Do not change the circuit’s switching frequency without first recalculating component values (particularly inductance value at maximum battery voltage). The power Schottky diode across the synchronous rectifier is optional because the MOSFETs chosen incorporate a hi ...
CHAPTER 26 Electric Current and Direct-Current Circuits
CHAPTER 26 Electric Current and Direct-Current Circuits

... 14 ∙∙ Discuss the difference between an emf and a potential difference. An emf is a driving force that gives rise to a potential difference and may result in current flow if there is a conducting path. 15 ∙∙ Name several common sources of emf. What sort of energy is converted into electrical energy ...
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High-Voltage, High-Current OPERATIONAL AMPLIFIER DESCRIPTION FEATURES
High-Voltage, High-Current OPERATIONAL AMPLIFIER DESCRIPTION FEATURES

... The OPA548 is a low-cost, high-voltage/high-current operational amplifier ideal for driving a wide variety of loads. A laser-trimmed monolithic integrated circuit provides excellent low-level signal accuracy and high output voltage and current. The OPA548 operates from either single or dual supplies ...
Basic Concepts - Oakland University
Basic Concepts - Oakland University

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Electrical ballast



An electrical ballast is a device intended to limit the amount of current in an electric circuit. A familiar and widely used example is the inductive ballast used in fluorescent lamps, to limit the current through the tube, which would otherwise rise to destructive levels due to the tube's negative resistance characteristic.Ballasts vary in design complexity. They can be as simple as a series resistor or inductor, capacitors, or a combination thereof or as complex as electronic ballasts used with fluorescent lamps and high-intensity discharge lamps.
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