AN25 Driving Capacitive Loads
■High voltage power op amps are often selected to drive capacitive loads, such as PI EZOTRANSDUCERS, CAPACITORS, ELECTRO-LUMINESCENT DISPLAYS, ELECTROFLUORES-CENT LIGHTING, ELECTROSTATIC DEFLECTION, etc.There are some special considerations when designing circuits to meet your high voltage needs.
■We will look in detail at the selection of the power op amp, stability considerations, power dissipation in the op amp and heatsink selection, support components for the circuit, and power supplies and their effect on circuit performance. When we complete these areas of investigation we will look at some alternative power op amp circuits for attaining high voltage control across capacitive loads.
■The format of our information will be “definition by example” along with generic formulae for your specific design.
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Application note & Design Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2021/6/18 |
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REVG |
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AN25U;AN25 |
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1.5 MB |
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