IRS20957SPBF Datasheet, PDF (1/16 Pages) International Rectifier – Protected Digital Audio Driver

March 5, 2009
Datasheet No – PD97381
IRS20957S
Protected Digital Audio Driver
Features
• Floating PWM input enables easy half bridge
implementation
• Programmable bidirectional over-current protection with
self-reset function
• Programmable preset dead-time for improved THD
performances
• High noise immunity
• ±100V ratings deliver up to 500W in output power
• 3.3 V/ 5 V logic compatible input
• Operates up to 800kHz
Typical Applications
• Home theatre systems
• Mini component stereo systems
• Powered speaker systems
• General purpose audio power amplifiers
Product Summary
Topology
V_{OFFSET (max)}
I_O+ & I_O- (typical)
Selectable deadtime
Ton & toff (typical)
OC protection delay
Shutdown
propagation delay
Package
Half-Bridge
+/- 100 V
1.0 A & 1.2 A
15/25/35/80ns
95ns & 80ns
500ns (max)
250ns (max)
Typical Connection Diagram
Note: Please refer to Lead Assignments for correct pin configuration. This diagram shows
electrical connections only.
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© 2008 International Rectifier
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