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IRS20965 Dataheets PDF



Part Number IRS20965
Manufacturers International Rectifier
Logo International Rectifier
Description CLASS D AUDIO DRIVER
Datasheet IRS20965 DatasheetIRS20965 Datasheet (PDF)

IRS20965 CLASS D AUDIO DRIVER Features         Product Summary VOFFSET (max) Gate driver Propagation delay OC protection delay (max) Shutdown delay (max) Io+ Io 100 V 2.0 A 2.0 A 120 ns 500 ns 250 ns Hi-side and Lo-side independent floating PWM input Programmable bidirectional over-current detection with self-reset function Over current sensing output Shoot-through prevention logic High noise immunity ±100 V ratings deliver up to 500 W in output power 3.3 V / 5 V logic compatible inpu.

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IRS20965 CLASS D AUDIO DRIVER Features         Product Summary VOFFSET (max) Gate driver Propagation delay OC protection delay (max) Shutdown delay (max) Io+ Io 100 V 2.0 A 2.0 A 120 ns 500 ns 250 ns Hi-side and Lo-side independent floating PWM input Programmable bidirectional over-current detection with self-reset function Over current sensing output Shoot-through prevention logic High noise immunity ±100 V ratings deliver up to 500 W in output power 3.3 V / 5 V logic compatible input Operates up to 800 kHz Typical Applications   Package Options Class D audio amplifier Half bridge converter with digital controller 16-Lead SOIC Typical Connection Diagram (Please refer to Lead Assignments for correct pin configuration. This diagram shows electrical connections only.) 1 www.irf.com © 2014 International Rectifier February 21, 2014 http://www.Datasheet4U.com IRS20965 Table of Contents Description Qualification Information Absolute Maximum Ratings Recommended Operating Conditions Electrical Characteristics Waveform Definitions Functional Block Diagram Input/Output Pin Equivalent Circuit Diagram Lead Definitions Lead Assignments Application Information and Additional Details Package Details Tape and Reel Details Part Marking Information Ordering Information Page 3 4 5 6 7 9 11 12 13 13 14 16 17 18 18 2 www.irf.com © 2014 International Rectifier February 21, 2014 http://www.Datasheet4U.com IRS20965 Description The IRS20965S is a high voltage, high speed MOSFET driver with floating PWM inputs designed for Class D audio amplifier applications. Bi-directional current sensing using RDS(ON) of the MOSFETs detects over current conditions during positive and negative load currents without any external shunt resistors. An over current flag output provides over current status without shutting down, enabling full external control over OCP protection sequences. Independent HIN and LIN inputs offers independent control on HO and LO. Internal shoot-thru prevention logic provides safe operation by eliminating simultaneous ON state in the output MOSFET. 3 www.irf.com © 2014 International Rectifier February 21, 2014 http://www.Datasheet4U.com IRS20965 Qualification Information† Qualification Level Moisture Sensitivity Level Machine Model ESD Human Body Model IC Latch-Up Test RoHS Compliant † †† Industrial Comments: This family of ICs has passed JEDEC’s Industrial qualification. IR’s Consumer qualification level is granted by extension of the higher Industrial level. ††† MSL2 260˚C SOIC16N (per IPC/JEDEC J-STD-020) Class B (per JEDEC standard EIA/JESD22-A115) Class 2 (per EIA/JEDEC standard JESD22-A114) Class I, Level A (per JESD78D) Yes †† Qualification standards can be found at International Rectifier’s web site http://www.irf.com/ Higher qualification ratings may be available should the user have such requirements. Please contact your International Rectifier sales representative for further information. ††† Higher MSL ratings may be available for the specific package types listed here. Please contact your International Rectifier sales representative for further information. 4 www.irf.com © 2014 International Rectifier February 21, 2014 http://www.Datasheet4U.com IRS20965 Absolute Maximum Ratings Absolute Maximum Ratings indicate sustained limits beyond which damage to the device may occur. All voltage parameters are absolute voltages referenced to VSS; all currents are defined positive into any lead. The Thermal Resistance and Power Dissipation ratings are measured under board mounted and still air conditions. Symbol VB VS VHO VCSH VCC VLO VDD VSS VHIN VLIN VCSD VOC VOCSET VREF IDDZ ICCZ IBSZ IOREF dVs/dt dVss/dt dVss/dt Pd RthJA TJ TS TL † †† ††† Definition High side floating supply voltage † High side floating supply voltage High side floating output voltage CSH pin input voltage † Low side fixed supply voltage Low side output voltage Floating input supply voltage † Floating input supply voltage PWM input voltage PWM input voltage CSD pin input voltage OC pin input voltage OCSET pin input voltage VREF pin voltage † Floating input supply zener clamp current † Low side supply zener clamp current † Floating supply zener clamp current Reference output current Allowable Vs voltage slew rate †† Allowable Vss voltage slew rate ††† Allowable Vss voltage slew rate upon power-up Maximum power dissipation Thermal resistance, Junction to ambient Junction Temperature Storage Temperature Lead temperature (Soldering, 10 seconds) Min. -0.3 VB-20 Vs-0.3 Vs-0.3 -0.3 -0.3 -0.3 (See IDDZ) VSS -0.3 VSS -0.3 VSS -0.3 VSS -0.3 -0.3 -0.3 -55 Max. 215 VB+0.3 VB+0.3 VB+0.3 20 VCC +0.3 210 VDD+0.3 VDD+0.3 VDD+0.3 VDD+0.3 VDD+0.3 VCC +0.3 VCC +0.3 10 10 10 5 50 50 50 1.0 115 150 150 300 Units V mA V/ns V/ms W ˚C/W ˚C VDD - VSS, VCC - COM, and VB - VS contain internal shunt zener diodes. Please note that the voltage ratings of these can be limited by the clamping current. For the rising and falling edg.


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