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Infineon Technologies IRS20957S
Protected Digital Audio Driver with Floating PWM input in a 16-Lead SOIC Narrow Package
Details
| Topologie | Gegentaktwandler (Halbbrücken) |
| Schaltfrequenz | 800 kHz |
| IC-Revision | 3 |
Beschreibung
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 sensing detects over current conditions during positive and negative load currents without any external shunt resistors. A built-in protection control block provides a secure protection sequence against over-current conditions and a programmable reset timer.The internal dead-time generation block enables accurate gate switching and optimum dead-time setting for better audio performance, such as lower THD and lower audio noise floor.
Eigenschaften
- 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
Typische Anwendungen
- Class D Audio / General purpose audio power amplifiers
- Home theatre systems / Mini component stereo systems / Powered speaker systems
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | λDom typ.(nm) | Emittierte Farbe | λPeak typ.(nm) | IV typ.(mcd) | VF typ.(V) | Chiptechnologie | 2θ50% typ.(°) | C | Tol. C | VR(V (DC)) | Bauform | Betriebstemperatur | Q(%) | DF(%) | RISO | Keramiktyp | L(mm) | B(mm) | Fl(mm) | Verpackung | Pins | Montageart | Arbeitsspannung(V (AC)) | Z @ 100 MHz(Ω) | Zmax(Ω) | Testbedingung Zmax | IR(mA) | Z @ 1 GHz(Ω) | H(mm) | Typ | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WL-SMCW SMT Mono-color Chip LED Waterclear, 470 nm, Blau | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWL-SMCW SMT Mono-color Chip LED Waterclear | dominante Wellenlänge [typ.]470 nm | Emittierte FarbeBlau | Spitzen-Wellenlänge [typ.]465 nm | Lichtstärke [typ.]145 mcd | Durchlassspannung [typ.]3.2 V | ChiptechnologieInGaN | Abstrahlwinkel Phi 0° [typ.]140 ° | – | – | – | Bauform0805 | Betriebstemperatur -40 °C up to +85 °C | – | – | – | – | Länge2 mm | Breite1.25 mm | – | VerpackungTape and Reel | – | MontageartSMT | – | – | – | – | – | – | Höhe0.7 mm | – | ||||
 | WE-MPSB EMI Multilayer Power Suppression Bead, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-MPSB EMI Multilayer Power Suppression Bead | – | – | – | – | – | – | – | – | – | – | Bauform0603 | Betriebstemperatur -55 °C up to +125 °C | – | – | – | – | Länge1.6 mm | Breite0.8 mm | Pad Dimension0.3 mm | – | – | MontageartSMT | – | Impedanz @ 100 MHz60 Ω | Maximale Impedanz99 Ω | Maximale Impedanz458 MHz | Nennstrom5100 mA | Impedanz @ 1 GHz74 Ω | Höhe0.8 mm | TypHochstrom | ||||
| WCAP-CSGP MLCCs 50 V(DC), –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | Kapazität47 pF | Kapazität±5% | Nennspannung50 V (DC) | Bauform0805 | Betriebstemperatur -55 °C up to +125 °C | Güte1000 % | – | Isolationswiderstand10 GΩ | KeramiktypNP0 Klasse I | Länge2 mm | Breite1.25 mm | Pad Dimension0.5 mm | Verpackung7" Tape & Reel | – | – | – | – | – | – | – | – | Höhe0.6 mm | – | |||||
| WCAP-CSGP MLCCs 25 V(DC), –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | – | – | – | Kapazität1 µF | Kapazität±10% | Nennspannung25 V (DC) | Bauform1206 | Betriebstemperatur -55 °C up to +125 °C | – | Verlustfaktor3.5 % | Isolationswiderstand0.5 GΩ | KeramiktypX7R Klasse II | Länge3.2 mm | Breite1.6 mm | Pad Dimension0.6 mm | Verpackung7" Tape & Reel | – | – | – | – | – | – | – | – | Höhe1.15 mm | – | |||||
| WCAP-CSGP MLCCs 25 V(DC), –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | – | – | – | Kapazität2.2 µF | Kapazität±10% | Nennspannung25 V (DC) | Bauform1206 | Betriebstemperatur -55 °C up to +125 °C | – | Verlustfaktor3.5 % | Isolationswiderstand0.2 GΩ | KeramiktypX7R Klasse II | Länge3.2 mm | Breite1.6 mm | Pad Dimension0.6 mm | Verpackung7" Tape & Reel | – | – | – | – | – | – | – | – | Höhe1.6 mm | – | |||||
 | WR-PHD Stiftleisten - Zweireihig, –, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-PHD Stiftleisten - Zweireihig | – | – | – | – | – | – | – | – | – | – | – | Betriebstemperatur -40 °C up to +105 °C | – | – | Isolationswiderstand1000 MΩ | – | Länge7.62 mm | – | – | VerpackungBeutel | Pins6 | MontageartTHT | Arbeitsspannung250 V (AC) | – | – | – | Nennstrom3000 mA | – | – | TypGerade | |||
 | WR-PHD Stiftleisten - Zweireihig, –, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-PHD Stiftleisten - Zweireihig | – | – | – | – | – | – | – | – | – | – | – | Betriebstemperatur -40 °C up to +105 °C | – | – | Isolationswiderstand1000 MΩ | – | Länge10.16 mm | – | – | VerpackungBeutel | Pins8 | MontageartTHT | Arbeitsspannung250 V (AC) | – | – | – | Nennstrom3000 mA | – | – | TypGerade |