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Micronote 126 - Lightning Protection for Aircraft per
Micronote 126 - Lightning Protection for Aircraft per

... common for common mode protection and line to line for differential mode protection. With many circuits, only common mode protection on each interface is required since differential mode is provided through termination to circuit ground. TVS devices must be placed on circuit boards at the point of e ...
MAX8540/MAX8541 Synchronizable, High-Frequency Current- and Voltage-Mode PWM Controllers for Isolated Supplies General Description
MAX8540/MAX8541 Synchronizable, High-Frequency Current- and Voltage-Mode PWM Controllers for Isolated Supplies General Description

... Maximum duty cycle is adjustable, and the feed-forward function scales the maximum duty cycle with input voltage to limit the maximum volt-seconds applied to the transformer primary. The MAX8540 allows the user to select the value of slope compensation to further optimize magnetics design. The MAX85 ...
Integrated Charge Controller for Lead
Integrated Charge Controller for Lead

... temperature-compensated reference, the IC should be in the same thermal environment as the battery. An undervoltage lock-out circuit is also provided (see Figure 2). This circuit disables the driver transistor as long as the input voltage is below UVLO (4.5V typical). The UVLO circuit also drives an ...
PAM2319 Description Pin Assignments
PAM2319 Description Pin Assignments

... excellent stability and transient response. To ensure the longest battery life in portable applications, the PAM2319 provides a powersaving Pulse-Skipping Modulation (PSM) mode to reduce quiescent current under light load operation. The PAM2319 supports a range of input voltages from 2.7V to 5.5V, a ...
PAM2842 Description Pin Assignments
PAM2842 Description Pin Assignments

... The maximum output current, input voltage, output voltage, and switching frequency determine the inductor value. Large inductance can minimizes the current ripple, and therefore reduces the peak current, which decreases core losses in the inductor and I2R losses in the entire power path. However, la ...
1100ClassNotesSet03v12
1100ClassNotesSet03v12

Low current density, inverted polarity, high-speed, top-emitting 850 nm vertical-cavity surface-emitting
Low current density, inverted polarity, high-speed, top-emitting 850 nm vertical-cavity surface-emitting

AD8016
AD8016

... device is determined by the glass transition temperature of the plastic, approximately 150°C. Temporarily exceeding this limit may cause a shift in parametric performance due to a change in the stresses exerted on the die by the package. The output stage of the AD8016 is designed for maximum load cu ...
Chapter 24 - Capacitance
Chapter 24 - Capacitance

... When a capacitor is being "charged" by a battery (or power supply), work is done by the battery to move charge from one plate of the capacitor to the other plate. As the capacitor is being charged, we can say that the capacitor is storing energy (What kind of energy?). Find the stored energy. Consid ...
I2C System Monitor Combines Temperature, Voltage and Current
I2C System Monitor Combines Temperature, Voltage and Current

... sensor similar to the liquid level application. In this application the cooling power of the fan is tested by turning on a small heater and measuring the temperature rise, or the rate of temperature rise with the remote sensor. In the absence of cooling air, both the absolute and the rate of tempera ...
BDTIC www.BDTIC.com/infineon Driving Mid Power LEDs from
BDTIC www.BDTIC.com/infineon Driving Mid Power LEDs from

... This application note mainly describes on the light strip application and some application hints on using the BCR320U/BCR321U. A light strip consisting of six half watt ADVANCED POWER TOPLED PLUS LEDs are driven by BCR320U to have a typical driving current of 150mA. By selecting the value of externa ...
T N UC
T N UC

... written approval of the Chief Executive Officer of Diodes Incorporated. As used herein: A. Life support devices or systems are devices or systems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when properly used in accordance with instruct ...
phys1444-fall11
phys1444-fall11

... Capacitors in Parallel • Parallel arrangement provides the same voltage across all the capacitors. – Left hand plates are at Va and right hand plates are at Vb – So each capacitor plate acquires charges given by the formula • Q1=C1V, Q2=C2V, and Q3=C3V ...
PAM2321 Description Pin Assignments
PAM2321 Description Pin Assignments

... In continuous mode, the source current of the top MOSFET is a square wave of duty cycle VOUT/VIN. To prevent large voltage transients, a low ESR input capacitor sized for the maximum RMS current must be used. The maximum RMS capacitor current is given by: ...
AP1507  150KHz, 3A PWM BUCK DC/DC CONVERTER Description
AP1507 150KHz, 3A PWM BUCK DC/DC CONVERTER Description

... operating conditions. This curve can be used for a quick check for the approximate junction temperature for various conditions, but there are many factors that can affect the junction temperature. When load currents higher than 3A are used, double sided or multi-layer PC boards with large copper are ...
AP3988 Description A Product Line of
AP3988 Description A Product Line of

... The output voltage is different from the secondary voltage in a diode forward drop voltage V d which depends on the current. If the secondary voltage is always detected at a constant secondary current, the difference between the output voltage and the secondary voltage will be a fixed Vd. The voltag ...
FSUSB20 — Low-Power, 1-Port, High-Speed USB (480Mbps) Switch FSUSB20
FSUSB20 — Low-Power, 1-Port, High-Speed USB (480Mbps) Switch FSUSB20

... 3. Measured by the voltage drop between the A and B pins at the indicated current through the switch. On resistance is determined by the lower of the voltages on the A or B pins. 4. Flatness is defines as the difference between the maximum and the minimum value on resistance over the specified range ...
Multiple Junction Biasing of Superconducting Tunnel Junction
Multiple Junction Biasing of Superconducting Tunnel Junction

... down from B to A. If only junction 3 is used then it moves to the left and up. The current through junctions 2 and 3 as a function of temperature from the model is shown in Fig. 3b, for the case of heating both junctions. It is orders of magnitude less than IT, showing again that only the small subg ...
Scaling properties of a non-Fowler–Nordheim tunnelling junction
Scaling properties of a non-Fowler–Nordheim tunnelling junction

... with d was observed over a range of several orders of magnitude for d, from millimetres to several nanometres, but it began failing when d was only a few nanometres. At the outset of this work, it must be said that if the emitting surface is either planar or of large radius of curvature R, then the ...
BCP5616Q Description Applications
BCP5616Q Description Applications

... 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: ...
Complete Paper
Complete Paper

... block. It is well known that when many DGs are connected to utility grids, they can cause problems such as voltage rise and protection problem in the utility grid. To solve these problems, new concepts of electric power systems are proposed. Resonant converters eliminate most of the switching losses ...
Driving the Golden DRAGON LED Application Note
Driving the Golden DRAGON LED Application Note

... The linear current supply can only be used when the input voltage is always higher than the output voltage. Headroom must also be added to account for drop voltages in the driver circuits. Otherwise there is not enough voltage available to operate the LEDs. The advantages of a linear current supply ...
FSGM0465R Green-Mode Fairchild Power Switch (FPS™)
FSGM0465R Green-Mode Fairchild Power Switch (FPS™)

... voltage. If the output consumes more than this maximum power, the output voltage (VOUT) decreases below the set voltage. This reduces the current through the opto-coupler LED, which also reduces the opto-coupler transistor current, thus increasing the feedback voltage (VFB). If VFB exceeds 2.4V, D1 ...
June 2006 Dual Step-Up Converter Drives White LEDs with 1000:1
June 2006 Dual Step-Up Converter Drives White LEDs with 1000:1

... pin voltage is also reduced to about 40mV. Below this 5:1 dimming ratio, the LEDs are turned off as the CTRL pin voltage is pulled below 75mV. Another method of reducing the brightness of the LEDs is digital PWM dimming. The PWM MOSFET in series with the LEDs creates the waveform shown in Figure 4 w ...
Wednesday, Feb. 15, 2012
Wednesday, Feb. 15, 2012

... charged, the battery is disconnected. The plates have area A=4.0m2, and are separated by d=4.0mm. (a) Find the capacitance, the charge on the capacitor, the electric field strength, and the energy stored in the capacitor. (b) The dielectric is carefully removed, without changing the plate separation ...
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P–n diode



This article provides a more detailed explanation of p–n diode behavior than that found in the articles p–n junction or diode.A p–n diode is a type of semiconductor diode based upon the p–n junction. The diode conducts current in only one direction, and it is made by joining a p-type semiconducting layer to an n-type semiconducting layer. Semiconductor diodes have multiple uses including rectification of alternating current to direct current, detection of radio signals, emitting light and detecting light.
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