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Atmel LED Drivers MSL4163/MSL4164
Atmel LED Drivers MSL4163/MSL4164

... The MSL4164 features a 20MHz SPI bus, and the MSL4163 offers a 1MHz I2C serial interface. Both interfaces support video frame-by-frame LED string intensity control for up to 16 interconnected devices to allow active area dimming. The devices include an advanced PWM engine that easily synchronizes to ...
OPA4830
OPA4830

... bandwidth product (110MHz) and slew rate (560V/µs), making the OPA4830 an ideal input buffer stage to 3V and 5V CMOS analog-to-digital converters (ADCs). Unlike other low-power, single-supply amplifiers, distortion performance improves as the signal swing is decreased. A low 9.2nV/√Hz input voltage ...
Investigation on the Parallel Operation of Discrete SiC BJTs and JFETs
Investigation on the Parallel Operation of Discrete SiC BJTs and JFETs

... and the connections from the driver to the BJT/JFET on the PCB become very critical to minimize the oscillations. The output stage of the drive includes resistor R2 and capacitor C1 for transient current and parallel resistor R1 for static current. The turn-on and turn off times of the devices are c ...
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precision Thin film Technology

Z-PACK HS3 6 Row ELECTRICAL PERFORMANCE REPORT Literature Number 1308505
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Mitigation of Magnetizing Inrush Current using Sequential Phase

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Institutionen för systemteknik Department of Electrical Engineering Scavenging

... The vast advancement of wireless technology and low power electronics have increased the deployment of wireless sensor nodes. Batteries have been the primary source of power for the wireless sensor. As the technology scales down, it is expected that the size of the battery decreases. However, the ba ...
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... At light loads, the inductor current may reach zero before the end of the oscillator cycle, which will turn off the NMOS synchronous rectifier. In this case, the SW pin goes high impedance and will show damped “ringing”. This is known as discontinuous operation, and is normal behavior for a switching ...
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... Potentiometers comprise a resistive element, a sliding contact (wiper) that moves along the element, making good electrical contact with one part of it, electrical terminals at each end of the element, a mechanism that moves the wiper from one end to the other, and a housing containing the element a ...
Op-Amp Voltage Amplifiers Word Document
Op-Amp Voltage Amplifiers Word Document

... There are two inputs; the non-inverting input ‘+’ and the inverting input ‘-‘. There is one output, labelled VOUT. There are two power supply connections labelled +V and –V, since an op-amp requires a dual rail power supply. This provides both a positive and a negative voltage (e.g. ±12V) to allow t ...
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MAX1692 Low-Noise, 5.5V-Input, PWM Step-Down Regulator General Description

... Forced PWM and PWM/PFM Operation Connect SYNC/PWM to IN for normal forced PWM operation. Forced PWM operation is desirable in sensitive RF and data-acquisition applications, to ensure that switching-noise harmonics do not interfere with sensitive IF and data-sampling frequencies. A minimum load is n ...
OPA2695
OPA2695

... outs of the two available packages (QFN-16, SO-8) have been optimized to provide symmetrical input and output paths. This architecture makes the OPA2695 an ideal choice as a differential driver, such as for a high-speed analog-to-digital converter (ADC). The OPA2695 low 12.9mA/channel supply current ...
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... F. C/1 alternate flashing designates that the Always confirm the battery voltage and series charger is in the cool down time period after cell count is correct and never charge higher charging. than a 1C rate. (1C = charger current equals Charge and discharge capacities in mAh will be the battery c ...
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... reduction. However, the two pipelines do have dependencies on each other, which sometimes prevents them from running at the same time. For example, both pipelines use the same ED at the start, since this operation is inherently serial and produces coefficients and motion vectors for both pipelines. ...
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BCP 54/ 55/ 56 Features Mechanical Data

... Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express written approval of the Chief Executive Officer of Diodes Incorporated. As used herein: A. Life support devices or systems are devices or systems which: ...
MAX5174/MAX5176 General Description Features
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... +5V supply, and the MAX5176 operates from a single +3V supply. Both devices draw only 280µA of supply current, which reduces to 1µA in shutdown. In addition, the programmable power-up reset feature allows for a user-selectable output voltage state of either 0 or midscale. The 3-wire, digital, serial ...
Circuit Breaker Selection
Circuit Breaker Selection

... Quick interruption of short-circuit current is usually considered the primary function of a circuit breaker. The fault-current interrupting capability of Power/Vac circuit breakers is stated in threephase, symmetrical, rms AC amperes. Accordingly, calculation of the maximum available fault duty of a ...
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... Typical topology is shown. Murata Power Solutions recommends an external fuse. ...
Resonant LLC Converter: Operation and Design
Resonant LLC Converter: Operation and Design

... One can plot the resonant tank gain K with the normalized switching frequency for different values of Quality factor Q and any single value of m, as shown in Figure 2.3. The selection of the m value will be discussed in a later section of this document, but m=6 was used as an example. It can be seen ...
Backlight Driver for 5 LEDs with Charge Pump and PWM Control
Backlight Driver for 5 LEDs with Charge Pump and PWM Control

... Capacitors with X7R or X5R ceramic dielectric are strongly recommended for their low ESR and superior temperature and voltage characteristics. Y5V capacitors should not be used as their temperature coefficients make them unsuitable for this application. It is important that the minimum value of the ...
Table of Contents - Industrial Manufacturing
Table of Contents - Industrial Manufacturing

... The role of the generator just described is to change mechanical energy into electrical energy. In order for this energy to be useful, however, it must be transmitted to the utility’s customers via transmission lines. The most efficient way to do this is to increase the voltage while at the same tim ...
Glossary - Hubbell Lighting
Glossary - Hubbell Lighting

... exterior light is cast where it is not wanted. light-emitting diode (LED) A solid-state electronic device formed by a junction of P- and N-type semiconductor material that emits light when electric current passes through it. LED commonly refers to either the semiconductor by itself, i.e. the chip, o ...
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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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