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LM48520,pdf datasheet (Boosted
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2009-10-09
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The LM48520 integrates a boost converter with a high efficiency
Class D stereo audio power amplifier to provide up to
1W/ch continuous power into an 8Ω speaker when operating
from 2.7V to 5.0V power supply with boost voltage (PV1) of
5.0V. The LM48520 utilizes a proprietary spread spectrum
pulse width modulation technique that lowers RF interference
and EMI levels. The Class D amplifier is a low noise, filterless
PWM architecture that eliminates the output filter, reducing
external component count, board area, power consumption,
system cost, and simplifying design.
Class D stereo audio power amplifier to provide up to
1W/ch continuous power into an 8Ω speaker when operating
from 2.7V to 5.0V power supply with boost voltage (PV1) of
5.0V. The LM48520 utilizes a proprietary spread spectrum
pulse width modulation technique that lowers RF interference
and EMI levels. The Class D amplifier is a low noise, filterless
PWM architecture that eliminates the output filter, reducing
external component count, board area, power consumption,
system cost, and simplifying design.
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