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提高OPA541的限流稳定性
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2009-06-05
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OPA541 is the industry’s highest performance monolithic
power amplifier. It can operate on ±40V power supplies and
put out 5A continuously (10A peak). Internal current-limit
circuitry can be user-programmed with a single external
resistor to protect the amplifier and load from fault conditions.
Under some conditions, the OPA541 may oscillate during
current limit. In some applications, this is acceptable. However,
you can improve stability during current limit by
adding external compensation as shown in Figure 1.
power amplifier. It can operate on ±40V power supplies and
put out 5A continuously (10A peak). Internal current-limit
circuitry can be user-programmed with a single external
resistor to protect the amplifier and load from fault conditions.
Under some conditions, the OPA541 may oscillate during
current limit. In some applications, this is acceptable. However,
you can improve stability during current limit by
adding external compensation as shown in Figure 1.
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