Description
The LM48511 device integrates a boost converter with a high-efficiency Class D audio power amplifier to provide 3-W continuous power into an 8-Ω speaker when operating from a 5-V power supply.
Features
- 1 3-W Output into 8 Ω at 5 V With THD+N = 1%.
- Selectable spread spectrum mode reduces EMI.
- 80% Efficiency.
- Independent regulator and amplifier shutdown
controls.
- Dynamically Selectable Regulator Output Voltages.
- Filterless Class D.
- 3-V to 5.5-V Operation.
- Low shutdown current.
- Click and pop suppression.
- Key specifications.
- Quiescent power supply current.
- VDD = 3 V 9 mA (Typical).