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IRS20957S

International Rectifier
Part Number IRS20957S
Manufacturer International Rectifier
Description Protected Digital Audio Driver
Published Jun 6, 2014
Detailed Description March 5, 2009 Datasheet No – PD97381 IRS20957S Protected Digital Audio Driver Features • • • • • • • Floating PWM input...
Datasheet PDF File IRS20957S PDF File

IRS20957S
IRS20957S

Overview
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 Product Summary Topology Half-Bri VOFFSET (max) IO+ & IO- (typical) Selectable deadtime Ton & toff (typical) OC protection delay Shutdown propagation delay dge +/- 100 V 1.
0 A & 1.
2 A 15/25/35/80ns 95ns & 80ns 500ns (max) 250ns (max) Typical Applications • Home theatre systems • Mini component stereo systems • P owered speaker systems • General purpose audio power amplifiers Package Typical Connection Diagram Note: Pleas e refer to Lead Ass electrical connections only.
www.
irf.
com ignments for correct pin config uration.
T his diagram sh ows © 2008 International Rectifier 1 http://www.
Datasheet4U.
com IRS20957S Table of Contents Description Qualification Information Absolute Maximum Ratings Recommended Operating Conditions Electrical Characteristics Functional Block Diagram Input/Output Pin Equivalent Circuit Diagram Lead Definitions Lead Assignments Waveform definitions Application information and additional information Package Details Tape and Reel Details Part Marking Information Ordering Information Page 3 4 5 6 7 9 10 11 11 12 12 13 14 15 16 www.
irf.
com © 2008 International Rectifier 2 IRS20957S Description The IRS20957S is a high voltage, high speed MOSFET driver with a floating PWM input designed for Class D audio amplifier applications.
Bi-directional current sen sing detect s over curr ent condition s duri ng posit ive and negative load cu rrents without a ny external shunt re sistors.
A built-in p rotection control bl ock p rovides a se cure protection sequence against over-current conditions and a programmable reset timer.
The ...


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