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Quiescent current is current drawn by the LDO in order to control its internal circuitry for proper operation. The series pass element, topologies, and ambient temperature are the primary contributors to quiescent current. [6] Many applications do not require an LDO to be in full operation all of the time (i.e. supplying current to the load).
The operating point of a device, also known as bias point, quiescent point, or Q-point, is the DC voltage or current at a specified terminal of an active device (a transistor or vacuum tube) with no input signal applied. A bias circuit is a portion of the device's circuit that supplies this steady current or voltage.
The current consumed in the state is commonly called Iddq for Idd (quiescent) and hence the name. Iddq testing uses the principle that in a correctly operating quiescent CMOS digital circuit , there is no static current path between the power supply and ground, except for a small amount of leakage.
A load line diagram, illustrating an operating point in the transistor's active region.. Biasing is the setting of the DC operating point of an electronic component. For bipolar junction transistors (BJTs), the operating point is defined as the steady-state DC collector-emitter voltage and the collector current with no input signal applied.
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The quiescent current in Q7 is V BE / 50 kΩ, about 35 μA, as is the quiescent current in Q15, with its matching operating point. Thus, the quiescent currents are pairwise matched in Q1/Q2, Q3/Q4, Q5/Q6, and Q7/Q15.
Quiescent phase, the first part of the first stage of childbirth; The G 0 phase of a cell in the cell cycle; quiescence is the state of a cell when it is not dividing; Quiescent current (biasing) in an electronic circuit; Quiescent consistency is one of the safety properties for concurrent data structures
In an electronic amplifier, an operating point is a combination of current and voltage at "no signal" conditions; application of a signal to the stage - changes voltage and current in the stage. The operating point in an amplifier is set by the intersection of the load line with the non-linear characteristics of the device.