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BD00GA3MEFJ-M
BD00GA3MEFJ-M

... Connecting of the power supply in reverse polarity can damage IC. Take precautions when connecting the power supply lines. An external direction diode can be added. (3). Power supply lines Design PCB layout pattern to provide low impedance GND and supply lines. To obtain a low noise ground and suppl ...
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... The ballast in an HID lighting system has generally two purposes: 1) to provide the proper starting voltage to strike and maintain the arc; and 2) to provide the proper current to the lamp once the arc is established. In addition to being designed to operate a particular type of HID lamp, a ballast ...
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... workstation and server processors. This IC provides high accuracy and the industry’s fastest transient response, reducing the need for large banks of output capacitors and providing the most compact, reliable, and economical power supply. Since each phase’s output voltage and current feed back to de ...
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... A pipelined ADC employs a parallel structure in which each stage works on 1 to a few bits (of successive samples) concurrently. This inherent parallelism increases throughput, but at a trade-off of power consumption and latency. Latency in this case is defined as the difference between the time when ...
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... Each of the four digital soft-start levels is tested for functionality; the steps are typically in 20mV increments. High duty-factor operation supports low input-to-output differential voltages, and is achieved at a lowered operating frequency (see the Dropout Operation section). MAX1902 only. Off m ...
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... connected at its input. This voltage threshold is used for remote ON/OFF control. When a signal is received at the VOLTAGE MONITOR pin to disable the output (VOLTAGE MONITOR pin tied to ground through an optocoupler phototransistor) the LYTSwitch-4 will complete its current switching cycle before th ...
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... The LLC resonant converter can operate at frequency below or above the resonance frequency (fo), as illustrated in Figure 10. Figure 11 shows the waveforms of the currents in the transformer primary side and secondary side for each operation mode. Operation below the resonant frequency (case I) allo ...
BD00HC5MEFJ-M
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... Connecting of the power supply in reverse polarity can damage IC. Take precautions when connecting the power supply lines. An external direction diode can be added. (3). Power supply lines Design PCB layout pattern to provide low impedance GND and supply lines. To obtain a low noise ground and suppl ...
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... Figure 2-9: Types of inductors. (a) Heavy self-supporting wire coil. (b) Inductor made as copper pattern. (c) Insulating form. (d) Toroidal inductor. (e) Ferrite bead inductor. (f ) Chip inductor. © 2008 The McGraw-Hill Companies ...
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AAT4687 数据资料DataSheet下载
AAT4687 数据资料DataSheet下载

... A 1μF or larger capacitor is typically recommended for CIN. CIN should be located as close to the device VIN pin as practically possible. Ceramic, tantalum, or aluminum electrolytic capacitors may be selected for CIN. There is no specific capacitor equivalent series resistance (ESR) requirement for ...
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Capacitor



A capacitor (originally known as a condenser) is a passive two-terminal electrical component used to store electrical energy temporarily in an electric field. The forms of practical capacitors vary widely, but all contain at least two electrical conductors (plates) separated by a dielectric (i.e. an insulator that can store energy by becoming polarized). The conductors can be thin films, foils or sintered beads of metal or conductive electrolyte, etc. The nonconducting dielectric acts to increase the capacitor's charge capacity. A dielectric can be glass, ceramic, plastic film, air, vacuum, paper, mica, oxide layer etc. Capacitors are widely used as parts of electrical circuits in many common electrical devices. Unlike a resistor, an ideal capacitor does not dissipate energy. Instead, a capacitor stores energy in the form of an electrostatic field between its plates.When there is a potential difference across the conductors (e.g., when a capacitor is attached across a battery), an electric field develops across the dielectric, causing positive charge +Q to collect on one plate and negative charge −Q to collect on the other plate. If a battery has been attached to a capacitor for a sufficient amount of time, no current can flow through the capacitor. However, if a time-varying voltage is applied across the leads of the capacitor, a displacement current can flow.An ideal capacitor is characterized by a single constant value, its capacitance. Capacitance is defined as the ratio of the electric charge Q on each conductor to the potential difference V between them. The SI unit of capacitance is the farad (F), which is equal to one coulomb per volt (1 C/V). Typical capacitance values range from about 1 pF (10−12 F) to about 1 mF (10−3 F).The larger the surface area of the ""plates"" (conductors) and the narrower the gap between them, the greater the capacitance is. In practice, the dielectric between the plates passes a small amount of leakage current and also has an electric field strength limit, known as the breakdown voltage. The conductors and leads introduce an undesired inductance and resistance.Capacitors are widely used in electronic circuits for blocking direct current while allowing alternating current to pass. In analog filter networks, they smooth the output of power supplies. In resonant circuits they tune radios to particular frequencies. In electric power transmission systems, they stabilize voltage and power flow.
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