We are currently developing a handheld device that is powered by a lithium battery. The design uses TLV61046A to boost the voltage of the lithium battery to 12V to power the audio power amplifier and drive the 3W/8Ω speaker.
When playing audio, the output voltage will decrease. Depending on the sound, sometimes it decreases, sometimes it does not decrease. The voltage will drop to 6V at the lowest, resulting in distortion of the playing sound and reduced sound.
Attempt to increase the output capacitance of TLV61046A to 3000uF, hoping to improve, but found that TLV61046A is difficult to start after adding capacitance.
Please recommend a solution, thank you very much!
In the design, TLV61046A has an input capacitance of 22uF and an inductance of 10uH.
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