Boosted Class D Audio Power Amplifier

The LM48510 integrates a boost converter with a high efficiency mono, Class D Audio Power Amplifier to provide 1.2W continuous power into an 8& speaker when operating on a 3.3V power supply with boost voltage (PV1) of 5.0V. When operating on a 3.3V power supply, the LM48510 is capable of driving a 4& speaker load at a continuous average output of 1.7W with less than 1% THD+N. The Class D Amplifier is a low noise, filterless PWM architecture that eliminates the output Filter reducing external component count, board area consumption, system cost, and simplifying design.
The LM48510 's Switching Regulator is a current-mode boost converter operating at a fixed frequency of 0.6MHz.
The LM48510 is designed for use in mobile phones and other portable Communication devices. The high (76%) efficiency extends battery life when compared to Boosted Class AB Amplifiers The LM48510 features a low-power consumption shutdown mode. Shutdown may be enabled by driving the Shutdown pin to a Logic low (GND).
The gain of the Class D is externally configurable which allows independent gain control from multiple sources by summing the signals. Output short circuit and Thermal shutdown protection prevent the device from damage during fault conditions. Superior click and pop suppression eliminates audible transients during power-up and shutdown.
By National Semiconductor Corporation
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LM48510 Pinout, Pinouts
LM48510 pinout,Pin out
This is one package pinout of LM48510,If you need more pinouts please download LM48510's pdf datasheet.

LM48510 Application circuits
LM48510 circuits
This is one application circuit of LM48510,If you need more circuits,please download LM48510's pdf datasheet.


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