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FOD2712A Optically Isolated Error Amplifier FOD2712A — Opticall
FOD2712A Optically Isolated Error Amplifier FOD2712A — Opticall

... obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically the warranty therein, which covers Fairchild products. Always visit Fairchild Semiconductor’s online packaging area for the most recent package drawings: ...
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... Infineon Technologies components may be used in life-support devices or systems only with the express written approval of Infineon Technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system or to affect the safety or effectiven ...
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... that its resolution becomes limited by the ever-smaller resistor valus. They become difficult to implement as the contact resistance of switches and connections become significant. A Kelvin-Varley circuit overcomes this problem with its special design, described later. Another way to model the RV-7 ...
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... has a current sense point that is ground referred and need not be connected directly to the battery. The two inductors shown are actually just two identical windings on one inductor core, although two separate inductors can be used. A current sense voltage is generated with respect to ground across ...
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... During undervoltage events, such as cold-crank conditions, the internal pass device maintains 98% duty cycle. The switching frequency is resistor programmable from 220kHz to 1MHz to allow optimization for efficiency, noise, and board space. A synchronization input FSYNC allows the device to synchron ...
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Electrical ballast



An electrical ballast is a device intended to limit the amount of current in an electric circuit. A familiar and widely used example is the inductive ballast used in fluorescent lamps, to limit the current through the tube, which would otherwise rise to destructive levels due to the tube's negative resistance characteristic.Ballasts vary in design complexity. They can be as simple as a series resistor or inductor, capacitors, or a combination thereof or as complex as electronic ballasts used with fluorescent lamps and high-intensity discharge lamps.
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