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RAUDAMP7S Datasheet, PDF (18/43 Pages) International Rectifier – 25W-500W Scalable Output Power Class D Audio Power Amplifier Reference Design Using the IRS2092S Protected Digital Audio Driver | |||
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VS pin
CSD pin
OCP Waveforms Showing CSD Trip and Hiccup
Load current
VS pin
Load current
CSD pin
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Fig 22 OCP Response with Continuous Short Circuit
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Actual Reaction Time
OCP Waveforms Showing actual reaction time
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Fig. 23 High and Low Side OCP current waveform reaction time
IRAUDAMP7S Overview
The IRAUDAMP7S features a self-oscillating type PWM modulator for the lowest component
count, highest performance and robust design. This topology represents an analog version of a
second-order sigma-delta modulation having a Class D switching stage inside the loop. The
www.irf.com
IRAUDAMP7S REV 1.3
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