We must operate a power amplifier with large filter capacitors (>> 2 000 μF) at a positive voltage supply.
What do we have to do to generate the negative supply voltage with the PTN78020A?
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We must operate a power amplifier with large filter capacitors (>> 2 000 μF) at a positive voltage supply.
What do we have to do to generate the negative supply voltage with the PTN78020A?
PTN78020A cannot be used in this application where output polarized output capacitance is greater than 2000µF and or ESR is less than 17mΩ and or ceramic capacitance exceeds 200µF.
Contact me directly at tguerin@ti.com if are any further questions.
Tom