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Application Note ANI19 Selecting Charge Pump Capacitors
Application Note ANI19 Selecting Charge Pump Capacitors

... Reducing these capacitor values will limit the ability of the transceiver to maintain the DC voltages needed to generate the RS-232 output levels. The capacitor value range for all of the current Sipex products is listed on the Sipex website.1 Capacitors C3 and C4 are the output storage elements. Th ...
NCL30086 Analog/Digital Dimmable Power Factor Corrected Quasi-Resonant Primary
NCL30086 Analog/Digital Dimmable Power Factor Corrected Quasi-Resonant Primary

SPECIAL PROTECTION SCHEME
SPECIAL PROTECTION SCHEME

... It is also important to notice that the case with maximum DC component is not the most difficult case for the time shorter than 15 ms. For example, if the required time to saturation is below 2 ms, the case with almost no DC is the most difficult and has to be considered when calculating the require ...
RF5565 2.4GHz TO 2.5GHz, 802.11b/g/n WiFi FRONT END MODULE Features
RF5565 2.4GHz TO 2.5GHz, 802.11b/g/n WiFi FRONT END MODULE Features

... The RF5565 integrates the matching networks and DC blocking capacitors for all RF ports. This greatly reduces the number of external components and layout area needed to implement this FEM. Typically only a total of four external components are required to achieve nominal performance. However, depen ...
NEW TRIACS: IS THE SNUBBER CIRCUIT NECESSARY?
NEW TRIACS: IS THE SNUBBER CIRCUIT NECESSARY?

... snubber circuit can be well optimized thanks to higher blocking voltage VDRM: we obtain a reduction of the capacitor size. But with the SNUBBERLESS triacs, the aid function of the snubber circuit disappears. Because of the improvement of the commutation performance ( higher critical (dI/dt)c) these ...
MAX1365/MAX1367 Stand-Alone, 4.5-/3.5
MAX1365/MAX1367 Stand-Alone, 4.5-/3.5

... Note 1: Integral nonlinearity is the deviation of the analog value at any code from its theoretical value after nulling the gain error and offset error. Note 2: Offset calibrated. Note 3: Offset nulled. Note 4: Drift error is eliminated by recalibration at the new temperature. Note 5: The input volt ...
Lect11
Lect11

... Since C is fully charged, VC = E. Initially, C acts like a battery, and I = VC/R. ...
NEW TRIACS: IS THE SNUBBER CIRCUIT NECESSARY?
NEW TRIACS: IS THE SNUBBER CIRCUIT NECESSARY?

... snubber circuit can be well optimized thanks to higher blocking voltage VDRM: we obtain a reduction of the capacitor size. But with the SNUBBERLESS triacs, the aid function of the snubber circuit disappears. Because of the improvement of the commutation performance ( higher critical (dI/dt)c) these ...
JEDEC STANDARD
JEDEC STANDARD

... 3 SSTL_18 Output Buffers 3.1 Overview This specification sets minimum requirements for output buffers such that when they are applied within the range of power supply voltages specified in SSTL_18 and are used in conjunction with SSTL_18 input receivers, then the input receiver specifications can be ...
VCA820 数据资料 dataSheet 下载
VCA820 数据资料 dataSheet 下载

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300V PT IGBT Technology
300V PT IGBT Technology

... MOSFET, so these 300V IGBTs are certainly suitable for soft turn-on (either zero voltage or zero current). Zero current turn-off also yields good results with both IGBTs and power MOSFETs. IGBTs tend to perform poorly with zero voltage turn-off soft switching because the IGBT relies on collector-emi ...
MAX1584/MAX1585 5-Channel Slim DSC Power Supplies General Description Features
MAX1584/MAX1585 5-Channel Slim DSC Power Supplies General Description Features

... (VPVSU = VPV = VPVSD = VINDL2 = 3.6V, TA = -40°C to +85°C, unless otherwise noted.) (Note 8) Note 5: The step-up current limit in startup refers to the LXSU switch current limit, not an output current limit. Note 6: The idle mode current threshold is the transition point between fixed-frequency PWM ...
lecture1423723848
lecture1423723848

... Electromechanical Energy conversion, forces and torque in magnetic field systems – energy balance, energy and force in a singly excited magnetic field system, determination of magnetic force , coenergy, multi excited magnetic field systems. DC Generators – Principle of operation, Action of commutato ...
zener diode
zener diode

...  The circuit shown in Fig. 27-15 (a) is called a half-wave rectifier.  When the top of the transformer secondary voltage is positive, D1 is forwardbiased, producing current flow in the load.  When the top of the secondary is negative, D1 is reverse-biased and acts like an open switch. This result ...
Spark Plugs Do Tell A Story! Spark Plugs
Spark Plugs Do Tell A Story! Spark Plugs

... In standard ignition, the contact set is attached to the movable breaker plate. A vacuum advance unit attached to the distributor housing is mounted under the breaker plate. The rotor covers the centrifugal advance mechanism, which consists of a cam actuated by two centrifugal weights. As the breake ...
LTC6906 - Micropower, 10kHz to 1MHz Resistor Set Oscillator in
LTC6906 - Micropower, 10kHz to 1MHz Resistor Set Oscillator in

... OUT (Pin 1): Oscillator Output. The OUT pin swings from GND to V+ with an output resistance of approximately 150Ω. For micropower operation, the load resistance must be kept as high as possible and the load capacitance as low as possible. GND (Pin 2): Ground. DIV (Pin 3): Divider Setting Input. This ...
A Fully Integrated High-Temperature, High-Voltage, BCD-on
A Fully Integrated High-Temperature, High-Voltage, BCD-on

S270-20-5 (Discontinued)
S270-20-5 (Discontinued)

... bushing-current transformers. Three transformers connected in a wye configuration sense phase currents. Another three bushing-current transformers connected in parallel sense the ground (earth) or zero-sequence current. These signals are rectified and are adjusted to the desired minimum-actuating cu ...
A4982 - Allegro Microsystems
A4982 - Allegro Microsystems

FJN3305R NPN Epitaxial Silicon Transistor — NPN Epit axial
FJN3305R NPN Epitaxial Silicon Transistor — NPN Epit axial

... life, and (c) whose failure to perform when properly used in safety or effectiveness. accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user. ANTI-COUNTERFEITING POLICY Fairchild Semiconductor Corporation's Anti-Counter ...
Exploring Ohm`s Law in parallel and series circuits
Exploring Ohm`s Law in parallel and series circuits

... Ohm´s Law establishes that there is a direct proportionality between electric current (I) flowing between two points of an electrical circuit and the potential difference of voltage (V) applied across a conductor. Between these two parameters there is a constant proportionality equal to the inverse ...
Si91872 300-mA Low-Noise LDO Regulator With Error Flag and
Si91872 300-mA Low-Noise LDO Regulator With Error Flag and

H3AM - OMRON Industrial Automation
H3AM - OMRON Industrial Automation

... • Do not install input lines in the same duct or conduit as power supply or other high-voltage lines. Doing so may result in malfunction due to noise. Separate the input lines from highvoltage lines. • Internal elements may be destroyed if a voltage outside the rated voltage is applied. • Maintain v ...
TL1431 Precision Programmable Reference
TL1431 Precision Programmable Reference

Scaling properties of a non-Fowler–Nordheim tunnelling junction
Scaling properties of a non-Fowler–Nordheim tunnelling junction

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Current source



A current source is an electronic circuit that delivers or absorbs an electric current which is independent of the voltage across it.A current source is the dual of a voltage source. The term constant-current 'sink' is sometimes used for sources fed from a negative voltage supply. Figure 1 shows the schematic symbol for an ideal current source, driving a resistor load. There are two types - an independent current source (or sink) delivers a constant current. A dependent current source delivers a current which is proportional to some other voltage or current in the circuit.
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