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MAX16990/MAX16992 36V, 2.5MHz Automotive Boost/SEPIC Controllers General Description Features
MAX16990/MAX16992 36V, 2.5MHz Automotive Boost/SEPIC Controllers General Description Features

... devices ideal in automotive applications such as for frontend “preboost” or “SEPIC” power supplies and for the first boost stage in high-power LED lighting applications. An internal low-dropout regulator (PVL regulator) with a 5V output voltage enables the MAX16990/MAX16992 to operate directly from ...
MN270001EN
MN270001EN

... level, and, when the source-side protective device opens to de-energize the circuit, the sectionalizer counts the overcurrent interruption. Depending upon the coordination scheme, the sectionalizer will open during the first, second, or third open interval of the fault interrupting device to isolate ...
BDTIC CoolSET -Q1 www.BDTIC.com/infineon
BDTIC CoolSET -Q1 www.BDTIC.com/infineon

... The ZC counter has a minimum value of 0 and maximum value of 7. After the external MOSFET is turned off, every time when the falling voltage ramp of on ZC pin crosses the 100mV threshold, a zero crossing is detected and ZC counter will increase by 1. It is reset every time after the DRIVER output is ...
Resistors
Resistors

... is negligible, but if the resistance is low (or the voltage across the resistor high) a large current may pass making the resistor become noticeably warm. The resistor must be able to withstand the heating effect and resistors have power ratings to show this. Power ratings of resistors are rarely qu ...
TPS76501 数据资料 dataSheet 下载
TPS76501 数据资料 dataSheet 下载

Lect17
Lect17

Lead-Acid Fast-Charge IC
Lead-Acid Fast-Charge IC

LM555 - Texas Instruments
LM555 - Texas Instruments

... All voltages are measured with respect to the ground pin, unless otherwise specified. Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Recommended Operating Conditions indicate conditions for which the device is functional, but do not ensure specific performance ...
242 - QSL.net
242 - QSL.net

... cathode and starts moving towards anode and so on. The time required for domain to travel from cathode to anode (transit time) gives oscillation frequency. In a Gunn Oscillator, the Gunn diode is placed in a resonant cavity. In this case the Oscillation frequency is determined by cavity dimension. A ...
Capacitance in ac circuits
Capacitance in ac circuits

... (a) improve the power factor (b) improve the light colour (c) limit the current drawn by the lamp (d) fix the fitting to a vertical surface 11 Adding an inductor in series with an existing inductor will: (a) increase the impedance and decrease the inductance of the circuit (b) increase the impedance ...
Continued… - Pcpolytechnic
Continued… - Pcpolytechnic

... • Peak to peak values are most often used when measuring the magnitude on the cathode ray oscilloscope (CRO) which is a measuring instrument. • Peak voltage is the voltage measured from baseline of an ac waveform to its maximum or peak level. It is also called as amplitude. • Peak voltage is denoted ...
Discharge in the saline solutions in a vicinity of the...
Discharge in the saline solutions in a vicinity of the...

... this situation is shown in figure 2b. The gap resistance is enhanced for such conditions up to typical values at a level of 1 k. At a high gap resistance, we can see the oscillations at the beginning of voltage pulse that appears due to effect of resonant charging of cable capacitance. One more pat ...
Stability Investigation using SPICE of BUCK DC-DC Converter
Stability Investigation using SPICE of BUCK DC-DC Converter

An Ideal Inverter Real Inverters
An Ideal Inverter Real Inverters

... An Ideal Inverter ...
MAX774/MAX775/MAX776 -5V/-12V/-15V or Adjustable, High-Efficiency, Low I Inverting DC-to-DC Controllers
MAX774/MAX775/MAX776 -5V/-12V/-15V or Adjustable, High-Efficiency, Low I Inverting DC-to-DC Controllers

... current again reaches its limit. This cycle repeats until the output is in regulation. A benefit of this control scheme is that it is highly efficient over a wide range of input/output ratios and load currents. Additionally, PFM converters do not operate with constant-frequency switching, and have r ...
Electronic Tachometer
Electronic Tachometer

Complex Circuits 3.0
Complex Circuits 3.0

... What would happen if a third bulb was put in parallel with the other two? Pat, Leslie, and Robin disagree. Pat says that the first two bulbs would get dimmer, because the current through them would decrease in order to satisfy Kirchhoff’s node law. Leslie says that one-third of the current would go ...
An innovative digital charge amplifier to reduce hysteresis in
An innovative digital charge amplifier to reduce hysteresis in

... Comstok (1981) used an initialization circuit to remove the drift, however, it causes undesirable disturbances at high frequencies. Fleming and Moheimani (2004) proposed an extra voltage feedback loop to improve the low frequency response of their charge amplifier but this extra voltage feedback red ...
operational amplifier - EECS: www
operational amplifier - EECS: www

... amplifiers and a smattering of the various configurations that they can be used in. Apart from their most common use as amplifiers (both inverting and non-inverting), they also find applications as buffers (load isolators), adders, subtractors, integrators, logarithmic amplifiers, impedance converte ...
FSCM0465R Green Mode Fairchild Power Switch (FPS)
FSCM0465R Green Mode Fairchild Power Switch (FPS)

High Voltage Direct Current Transmission - ac
High Voltage Direct Current Transmission - ac

... Power Transmission was initially carried out in the early 1880s using Direct Current (d.c.). With the availability of transformers (for stepping up the voltage for transmission over long distances and for stepping down the voltage for safe use), the development of robust induction motor (to serve th ...
ADuM5000W - Analog Devices
ADuM5000W - Analog Devices

... Regulation Control Input. In slave power configuration (RCSEL = low), this pin is connected to the RCOUT pin of a master isoPower device, or tied low to disable the converter. In master/standalone mode (RCSEL = high), this pin has no function. This pin is weakly pulled to low. In noisy environments, ...
DOE Fundamentals Handbook Electrical Science Volume 4 of 4
DOE Fundamentals Handbook Electrical Science Volume 4 of 4

... Reactor Theory. The handbooks are provided as an aid to DOE nuclear facility contractors. These handbooks were first published as Reactor Operator Fundamentals Manuals in 1985 for use by DOE category A reactors. The subject areas, subject matter content, and level of detail of the Reactor Operator F ...
UCC28810 数据资料 dataSheet 下载
UCC28810 数据资料 dataSheet 下载

LM3151/52/53 SIMPLE SWITCHER
LM3151/52/53 SIMPLE SWITCHER

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Multimeter



A multimeter or a multitester, also known as a VOM (Volt-Ohm meter or Volt-Ohm-milliammeter ), is an electronic measuring instrument that combines several measurement functions in one unit. A typical multimeter would include basic features such as the ability to measure voltage, current, and resistance. Analog multimeters use a microammeter whose pointer moves over a scale calibrated for all the different measurements that can be made. Digital multimeters (DMM, DVOM) display the measured value in numerals, and may also display a bar of a length proportional to the quantity being measured. Digital multimeters are now far more common but analog multimeters are still preferable in some cases, for example when monitoring a rapidly varying value. A multimeter can be a hand-held device useful for basic fault finding and field service work, or a bench instrument which can measure to a very high degree of accuracy. They can be used to troubleshoot electrical problems in a wide array of industrial and household devices such as electronic equipment, motor controls, domestic appliances, power supplies, and wiring systems.Multimeters are available in a wide range of features and prices. Cheap multimeters can cost less than US$10, while laboratory-grade models with certified calibration can cost more than US$5,000.
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