Quiescent current (IB) is the current consumed by the internal control circuitry of an LDO when it is active. Quiescent current is defined as the current flowing from the GND terminal. The datasheets show a value under a zero-load condition (IOUT=0 A) at the specified input...
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As such they are used for backup (battery), decoupling (reduce noise), and coupling (remove DC bias voltage). At type of passive component like resistors and inductors (coils), capacitors are used in everything from smartphones, wearables, and data centers to base stations, industrial equipmen...
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Conversely, if a (-) voltage is applied to the anode and a (+) voltage is applied to the cathode, current is prevented from flowing through the reverse biased diode. The characteristics at this time are called the reverse bias characteristics and VR and IR are examples of these characteristi...
Another feature is pre-bias load start-up; this is how well a buck regulator can start up into a rail or power that is already present on the line. Does it pull that line down, or is it able to continue to power from the existing voltage that is on the line to the desired voltage...
Half-bridge circuits can be powered from bipolar power supplies or a single supply, but the single-supply version imposes a potentially harmful dc bias voltage, VDD/2, across the speaker, unless a blocking capacitor is added.The power supply voltage buses of half-bridge circuits can be “...
Impedance (Z) is a characteristic of electrical components that involves a vector combination of resistance and phase. Resistance has a dissipative quality: energy is used and not recovered. Phase is the delay between an applied voltage across a component and the current flowing through it, most ...
This voltage is called the forward voltage (VF). The current that flows currently is called the forward current (IF). When a voltage is applied in the reverse bias direction (cathode side +) and the voltage is increased, current suddenly begins to flow at a certain voltage (breakdown ...
It should be noted that test conditions (temperature, frequency, amplitude, and DC bias value of test voltage among others) frequently have a strong influence on observed device parameters. Safety ratings Capacitors designed for use in applications where failure may pose a risk to the safety of...