IRAUDAMP7D Datasheet, PDF (18/43 Pages) International Rectifier – 25W-500W Scalable Output Power Class D Audio Power Amplifier Reference Design Using the IRS2092 Protected Digital Audio Driver

VS pin
CSD pin
OCP Waveforms Showing CSD Trip and Hiccup
Load current
VS pin
Load current
CSD pin
.
Fig 22 OCP Response with Continuous Short Circuit
.
Actual Reaction Time
OCP Waveforms Showing actual reaction time
.
Fig. 23 High and Low Side OCP current waveform reaction time
IRAUDAMP7D Overview
The IRAUDAMP7D 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
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IRAUDAMP7D REV 2.8
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