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paper - Microsystems Technology Laboratories
paper - Microsystems Technology Laboratories

LTC1435 - High Efficiency Low Noise Synchronous Step
LTC1435 - High Efficiency Low Noise Synchronous Step

... The LTC1435 uses a constant frequency, current mode step-down architecture. During normal operation, the top MOSFET is turned on each cycle when the oscillator sets the RS latch, and turned off when the main current comparator I1 resets the RS latch. The peak inductor current at which I1 resets the ...
Document
Document

... Layout  Chips are specified with set of masks  Minimum dimensions of masks determine transistor size (and hence speed, cost, and power)  Feature size f = distance between source and drain – Set by minimum width of polysilicon  Feature size improves 30% every 3 years or so  Normalize for featur ...
Lecture 14
Lecture 14

... When power consumption and physical size are prime design consideration, as in digital watches and calculators, Dynamic MOS logic is the one to meet those requirements. Power consumption is minimized by relying on the inherent capacitance of MOS transistors to store logic levels (to remain charged o ...
BDTIC
BDTIC

... 4.5V and 8V. They can be separated for better noise decoupling of the logic section (VCC) from the power section (PVCC). They can also be supplied with different voltages, but in this case the appropriate power up sequence has to be implemented. PVCC provides the capability of driving the high side ...
coinshooter
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... current demand is approximately 10 mA, so battery replacement should be infrequent if alkaline cells are used. If desired, the Coinshooter can be powered by a single nine-volt battery and the regulator IC omitted. However, the circuit is sensitive to changes in supply voltage, and this alternative i ...
Reliable Protection for systems, generators and motors up to 1600 A
Reliable Protection for systems, generators and motors up to 1600 A

... for safe switching under load Even under load conditions the Eaton switch-disconnector operates safely. The reason: the 3- or 4-pole snap-action closing mechanism which is also applied with circuit-breakers. That’s why the rated short time withstand current is so high and can handle currents up to 1 ...
AP1084
AP1084

... The AP1084 keeps a constant 1.25V between the output pin and the adjust pin. By placing a resistor R1 across these two pins a constant current flows through R1, adding to the Iadj current and into the R2 resistor producing a voltage equal to the (1.25/R1)*R2+Iadj*R2 which will be added to the 1.25V ...
Circuit Models for A..
Circuit Models for A..

... Contrast Avo to the two voltage gains defined above (i.e., Vout Vin and Vout Vg ). In each case, the result—of course—depends on amplifier parameters ( Avo , Zin , Zout ). However, the results likewise depend on the devices (source and load) attached to the amplifier (e.g., L1 , R1 , L2 , R2 ).  Th ...
Single-stage unity power factor based electronic ballast
Single-stage unity power factor based electronic ballast

... complexes use a wide range of discharge lamps with different power ratings and luminaries. All kinds of discharge lamps require sufficient ignition voltage at the time of starting and rated steady state current after the ignition, because they have inherent negative resistance characteristics [1]. T ...
Technical Description
Technical Description

S4100
S4100

... NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in residential installation. This equipment generates, uses and can rad ...
KB2517721780
KB2517721780

... have become widely used as drives for pumps, fans and material transport in a number of industries, as well as for VAR compensation in grid applications [1], [2]. At this voltage range, multilevel converters are preferred to overcome the voltage blocking limitations of the available switches. Anothe ...
ZLLS410 Product Summary Features and Benefits
ZLLS410 Product Summary Features and Benefits

... Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel. Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify and hold Diodes Inc ...
LTC3414 - 4A, 4MHz, Monolithic Synchronous Step-Down Regulator
LTC3414 - 4A, 4MHz, Monolithic Synchronous Step-Down Regulator

... of 0V to 1V enables Burst Mode operation. In Burst Mode operation, the internal power MOSFETs operate intermittently at light loads. This increases efficiency by minimizing switching losses. During Burst Mode operation, the minimum peak inductor current is externally set by the voltage on the SYNC/M ...
The Design of a High Precision, Wide Common Mode Range Auto
The Design of a High Precision, Wide Common Mode Range Auto

... changes. The comparator is a typical PMOS comparator with internal hysteresis and additional circuitry added to maintain symmetry for as long as possible. A Widlar bandgap-based circuit provides the necessary internal reference. The comparator was designed and verified using LTspice and Linear Techn ...
Deney3
Deney3

... 6.8 V zener diode will exhibit a 6.8 V drop at a specified test current of, say, 10mA. As the current through the zener deviates from IZT, the voltage across it will change, though slightly. Fig.2 shows that corresponding to current change ∆I the zener voltage changes by ∆V, which is related to ∆I b ...
ATF-54143 - Avago Technologies
ATF-54143 - Avago Technologies

... 1. Fmin values at 2 GHz and higher are based on measurements while the Fmins below 2 GHz have been extrapolated. The Fmin values are based on a set of 16 noise figure measurements made at 16 different impedances using an ATN NP5 test system. From these measurements a true Fmin is calculated. Refer t ...
TCS-DL004-250-WH
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... thus achieving very low capacitive loading on high-speed signal lines. For example, on a 3.3 V driver, a 12 V rated TVS may be used, having much lower and more linear capacitance than a lower voltage type. Even though a high voltage TVS is used, the maximum stress seen by the protected device is muc ...
2 Profi_Electronics_GB_14-06
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... associated energy. It consists of two metal plates (electrodes) of equal size. These are separated from one another by an insulating (dielectric) material. But how does this work? A current flows through a capacitor charging one electrode positive and the other negative. This means that the charge/v ...
A methodology for automated design and
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... space into a multiobjective optimization problem. Thus, the basic problem is to find a trade off among design metrics: one cannot improve one without having a negative effect in the others. Fig. 1.1 shows a design heptagon which illustrates, with typical metrics, this trade off [48] This dissertatio ...
SN74HC74
SN74HC74

LMR16030 - Texas Instruments
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... pin compatible packages. The LMR16030 implements constant frequency peak current mode control with Sleep-mode at light load to achieve high efficiency. The device is internally compensated, which reduces design time, and requires fewer external components. The switching frequency is programmable fro ...
TPD1E6B06 Single-Channel ESD Protection Diode in 0201
TPD1E6B06 Single-Channel ESD Protection Diode in 0201

... (typical) of capacitance which allows this device to support data rates up to 800 Mbps. Additionally, this low capacitance can even be necessary for an audio signal (for example, if a Class D amplifier is used). The TPD1E6B06 also has a small dynamic resistance of 0.55Ω (typical). This makes the cla ...
DMN53D0LW Product Summary Features
DMN53D0LW Product Summary Features

... indirectly, any claim of personal injury or death associated with such unintended or unauthorized application. Products described herein may be covered by one or more United States, international or foreign patents pending. Product names and markings noted herein may also be covered by one or more U ...
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Transistor



A transistor is a semiconductor device used to amplify and switch electronic signals and electrical power. It is composed of semiconductor material with at least three terminals for connection to an external circuit. A voltage or current applied to one pair of the transistor's terminals changes the current through another pair of terminals. Because the controlled (output) power can be higher than the controlling (input) power, a transistor can amplify a signal. Today, some transistors are packaged individually, but many more are found embedded in integrated circuits.The transistor is the fundamental building block of modern electronic devices, and is ubiquitous in modern electronic systems. Following its development in 1947 by American physicists John Bardeen, Walter Brattain, and William Shockley, the transistor revolutionized the field of electronics, and paved the way for smaller and cheaper radios, calculators, and computers, among other things. The transistor is on the list of IEEE milestones in electronics, and the inventors were jointly awarded the 1956 Nobel Prize in Physics for their achievement.
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