InternationalRectifier ClassD 2x120W free download

File name InternationalRectifer-ClassD2x120WNr2.pdf

IRAUDAMP5 120W x 2 Channel Class D Audio Power Amplifier Using the IRS2092S and IRF6645 By Jun Honda, Manuel Rodrнguez and Jorge Cerezo Fig 1 CAUTION: International Rectifier suggests the following guidelines for safe operation and handling of IRAUDAMP5 Demo Board; · Always wear safety glasses whenever operating Demo Board · Avoid personal contact with exposed metal surfaces when operating Demo Board · Turn off Demo Board when placing or removing measurement probes www.irf.com IRAUDAMP5 REV 3.0 Table of Contents Page Introduction... Specifications... Connection Setup... Test Procedure... Typical Performance... Theory of Operation... IRS2092S System Overview... Selectable Dead Time... Protection Features... Efficiency... Thermal Considerations... Click and Pop Noise Control... Startup and Shutdown Sequencing... PSRR... Bus Pumping... Input/Output Signal and Volume Control... Self Oscillating PWM Modulator... Switches and Indicators... Frequency Lock, Synchronization Feature... Schematics... Bill of Materials... PCB specifications... Assembly Drawings... END... 2 3 4 5 5-9 9-10 10-11 11-12 12-17 17-18 18 18-19 19-21 21-22 22-23 23-26 27 28 29 32-36 37-40 42 43-49 49 Hardware... 41 www.irf.com IRAUDAMP5 REV 3.0 Page 1 of 49 Introduction The IRAUDAMP5 reference design is a two-channel, 120W half-bridge Class D audio power amplifier. This reference de