IRAUDAMP1 revB
High Power Class D Audio Power Amplifier
using IR2011S
Features
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Complete Analog Input Class D Audio Power Amplifier
500W + 500W Peak Stereo (2CH) Output
THD+N=0.008% @1kHz, 100W, 4Ω
High Efficiency 93% @350W, 1kHz, 4Ω
Simple Self Oscillating Half-Bridge Topology
Includes all Local House-keeping Power Supplies
Protection Functions
Wide Operating Supply Voltage Range ±25 ~ 60V
Immune to Power Supply Fluctuations
Description
The IRAUDAMP1 is an example of a simple complete class D audio power amplifier design using
the IR2011S, high speed high voltage gate driver IC. The design contains protection functions
and house keeping power supplies for ease of use. This reference design is intended to
demonstrate how to use the IR2011S, implement protection circuits, and design an optimum PCB
layout.
www.irf.com
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INFINEON [ Infineon ]
