Power Tip #51: Be aware of capacitor parasiticsRobert KollmanTexas Instruments
This parasitic series inductance affects how the capacitor operates at high frequency. Also, the capacitor has some internal resistance, also in series with the capacitance, known as the ESR. a. Draw the lumped circuit model for the real-world capacitor. b. The very approximate inductance of a...
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Bandwidth, or range of model validity, is another important characteristic of CAE models in general. A model that extends far beyond the "design" frequency can prevent miscalculations regarding out-of-band effects and may even prevent over- (or under-) specification of filtering requirements. A ...
memories. The device improvements were complemented with new insights into the IGZO TFT’s reliability, revealing different degradation mechanisms responsible for the PBTI. These formed the key ingredients of an accurate model with which the lifetime of the DRAM memory’s key components can be ...
I am mostly looking for any model that can support for actual on die parasitics to mitigate for > 200MHz decoupling of power supply noise in maintaining target impedance in FDTIM analysis. Translate 0 Kudos Copy link Reply AqidAyman_Intel Employee 12-05-2023 06:01 PM ...
As can be seen, the match isn’t quite perfect, with meter noise causing a shallower null at the choke’s self-resonant frequency than modelled, but the general correspondence is excellent, and matching the model to the measurement was the only practical way of determining the Kelvin capacitor...
parasitic vertical PNP and lateral NPN bipolar transistors Q1, Q2 can introduce latchup if either of the base-emitter junctions becomes forward biased. The parasitics can be described as a four layer P+NPN+ diode called a silicon-controlled rectifier (SCR). The SCR's operation depends on an...
As inductive reactance is positive and increases with frequency, it is canceled by the inductance when it is above a certain frequency capacitance. Figure 1 shows the equivalent model. The parasitic parameters of different capacitors vary a lot which results in different performance of the linear ...
The components have been designed to achieve a high voltage transfer gain, and their specifications for the 400 W model can be found in Table 1. To design the capacitors and inductors of the converter, Eq. (57) can be utilized to calculate the value of L1 with low ripple input current....