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INVERTEK®
INVERTEK®

... Charging continues at constant current (charger Inom) until the battery reaches the maximum boost voltage. This voltage is maintained until the charging current falls to Inom/8 ~Inom/10 boost charge over short period (12 hours) from the mains power-up of product. This phase makes it possible to supp ...
Electronically Tunable SIMO Mixed
Electronically Tunable SIMO Mixed

... since it can be very used in radio system, measurement system, television system and etc. [1-4]. A multi-output (SIMO) universal filter with feeding single input signal has been found to be popular in research and publication, especially those can be operated in all filter functions including lowpas ...
MAX1645/MAX1645A Advanced Chemistry-Independent, Level 2 Battery Chargers with Input Current Limiting General Description
MAX1645/MAX1645A Advanced Chemistry-Independent, Level 2 Battery Chargers with Input Current Limiting General Description

... Intel System Management Bus (SMBus) to control voltage and current charge outputs. When charging lithium-ion (Li+) batteries, the MAX1645 automatically transition from regulating current to regulating voltage. The MAX1645 can also limit line input current so as not to exceed a predetermined current ...
Discrete Input Modules
Discrete Input Modules

... Sources ...
A4960: Datasheet - Allegro Microsystems
A4960: Datasheet - Allegro Microsystems

... Allegro MicroSystems, LLC reserves the right to make, from time to time, revisions to the anticipated product life cycle plan for a product to accommodate changes in production capabilities, alternative product availabilities, or market demand. The information included herein is believed to be accur ...
U04405117121
U04405117121

... Single phase diode ac to dc converters with filter capacitor are being used as front-end rectifiers in variety of applications. But in order to achieve high power factor and low THD, use of power factor corrector is required. Boost converters are mostly preferred as active power factor corrector [1] ...
Maxstar® 150 STL
Maxstar® 150 STL

... that reduces the open-circuit voltage to 12–16 volts when the welding power source is not in use. This circuit design is now built into the Maxstar 150 STL eliminating the need for add-on voltage reducers. ...
NEC Class 2 Power Circuits and Power Supplies
NEC Class 2 Power Circuits and Power Supplies

... North American states. The NEC is developed through a consensus process by the NFPA (National Fire Protection Association). The NFPA 70 document and the NEC are the same. Compared to UL Standards – which covers requirements of devices -, the NEC takes care of electric conductors and installation met ...
Old Company Name in Catalogs and Other Documents
Old Company Name in Catalogs and Other Documents

... subject to change without any prior notice. Before purchasing or using any Renesas Electronics products listed herein, please confirm the latest product information with a Renesas Electronics sales office. Also, please pay regular and careful attention to additional and different information to be d ...
Untitled
Untitled

Voltage Distribution Along Surge Arresters Under
Voltage Distribution Along Surge Arresters Under

Supporting Multiple SD Devices with CoolRunner-II CPLDs Summary
Supporting Multiple SD Devices with CoolRunner-II CPLDs Summary

... The host can access each SD device individually without affecting the state of the other when the multiplexer is switched accordingly. If neither the host nor the SD is driving data, the CoolRunner-II CPLD allows the system to be in the default high impedance with weak pull-up state. The primary pur ...
3-DaqBook
3-DaqBook

Determining Minimum Acquisition Times for
Determining Minimum Acquisition Times for

... The ESD protection circuit at the input of the ADC has an equivalent capacitance CESD. This capacitance is the parallel combination of the protection circuit from the input pin to the power-supply rail and ground. The equivalent capacitance of CESD is in the range of 4 pF to 10 pF. On the other hand ...
chapter 7 - Purdue Engineering
chapter 7 - Purdue Engineering

... However, any system will have a frequency response function associated with it and will amplify some frequency components and attenuate others. So in some sense all systems are filters. A thermocouple behaves as a first order system. If we plot its frequency response we will see that the magnitude b ...
Particles, Quantum Phenomena and Electricity
Particles, Quantum Phenomena and Electricity

... A stable atom contains 28 nucleons. Write down a possible number of protons, neutrons and electrons contained in the atom. ...
High Voltage Products
High Voltage Products

pdf
pdf

... high frequency noise (from 5 lp/cm to the Nyquist frequency) unchanged. This trend is also quantitatively spotted out by the evaluation of the mean frequency of the spectra, which decreases for higher iDose levels (Table 1). For each level, the mAs equivalent values are reported in Table 1. In the c ...
AD7450 - Analog Devices
AD7450 - Analog Devices

... The AD7450 is a 12-bit, high-speed, low power, successive approximation (SAR) analog-to-digital converter that features a fully differential analog input. It operates from a single 3 V or 5 V power supply and features throughput rates up to 833 kSPS or 1 MSPS, respectively. ...
TL1431 Precision Programmable Reference
TL1431 Precision Programmable Reference

... DESCRIPTION/ORDERING INFORMATION The TL1431 is a precision programmable reference with specified thermal stability over automotive, commercial, and military temperature ranges. The output voltage can be set to any value between VI(ref) (approximately 2.5 V) and 36 V with two external resistors (see ...
Atmel ATtiny45 Appendix A - ATtiny45 Automotive specification at 150°C Description PRELIMINARY DATASHEET
Atmel ATtiny45 Appendix A - ATtiny45 Automotive specification at 150°C Description PRELIMINARY DATASHEET

... 3. Although each I/O port can sink more than the test conditions (20mA at VCC = 5V) under steady state conditions (non-transient), the following must be observed: 1] The sum of all IOL, for all ports, should not exceed 400mA. 2] The sum of all IOL, for ports C0 - C5, should not exceed 200mA. 3] The ...
A high-speed hybrid Full Adder with low power consumption - J
A high-speed hybrid Full Adder with low power consumption - J

... amounts of constituent elements, has high significance. Although the size of transistors can be obtained by using analytical equations but, after simulating the circuit with this initial amounts desirable results will not be obtained; mostly due to the approximate nature of relationship and failure ...
Alcohol Dehydrogenation Catalysts Bound to Fuel Cell Electrodes
Alcohol Dehydrogenation Catalysts Bound to Fuel Cell Electrodes

TIP145 / TIP146 / TIP147 PNP Epitaxial Silicon Darlington Transistor Features
TIP145 / TIP146 / TIP147 PNP Epitaxial Silicon Darlington Transistor Features

... Customers who inadvertently purchase counterfeit parts experience many problems such as loss of brand reputation, substandard performance, failed applications, and increased cost of production and manufacturing delays. Fairchild is taking strong measures to protect ourselves and our customers from t ...
MAX14871 4.5V to 36V Full
MAX14871 4.5V to 36V Full

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Opto-isolator



In electronics, an opto-isolator, also called an optocoupler, photocoupler, or optical isolator, is a component that transfers electrical signals between two isolated circuits by using light. Opto-isolators prevent high voltages from affecting the system receiving the signal. Commercially available opto-isolators withstand input-to-output voltages up to 10 kV and voltage transients with speeds up to 10 kV/μs.A common type of opto-isolator consists of an LED and a phototransistor in the same opaque package. Other types of source-sensor combinations include LED-photodiode, LED-LASCR, and lamp-photoresistor pairs. Usually opto-isolators transfer digital (on-off) signals, but some techniques allow them to be used with analog signals.
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