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IRS20957S Datasheet Protected Digital Audio Driver

Manufacturer: International Rectifier (now Infineon)

Overview: March 5, 2009 Datasheet No – PD97381 IRS20957S Protected Digital Audio.

General Description

Qualification Information Absolute Maximum Ratings Remended 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 .irf.

© 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.

Key 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.

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IRS20957S Distributor