IRS20954, IRS20954AS/BS/S, IRS20954S Selling Leads, Datasheet
MFG:IR Package Cooled:SMD-16 D/C:O5-O6
IRS20954, IRS20954AS/BS/S, IRS20954S Datasheet download
Part Number: IRS20954
MFG: IR
Package Cooled: SMD-16
D/C: O5-O6
IRS20954, IRS20954AS/BS/S, IRS20954S
- Table of contents:
Info of IRS20954
Info of IRS20954AS/BS/S
Info of IRS20954S
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About IRS20124S
PDF/DataSheet Download
Datasheet: IRS20124S
File Size: 223917 KB
Manufacturer: IRF [International Rectifier]
Download : Click here to Download
About IRS20124S
PDF/DataSheet Download
Datasheet: IRS20124S
File Size: 223917 KB
Manufacturer: IRF [International Rectifier]
Download : Click here to Download
About IRS20124S
PDF/DataSheet Download
Datasheet: IRS20124S
File Size: 223917 KB
Manufacturer: IRF [International Rectifier]
Download : Click here to Download
IRS20954S General Description
The IRS20954 is a high voltage, high speed MOSFET driver with floating PWM input, specially designed for Class D audio amplifier applications. The bi-directional current sensing requires no external shunt resistors. It can capture over-current conditions at either positive or negative load current direction. A built-in control block provides secure protection sequence against over-current conditions, including a programmable reset timer. The internal deadtime generation block provides accurate gate switch timing and enables optimum deadtime settings for better audio performances, such as THD and audio noise floor.
IRS20954S Maximum Ratings
| Symbol | Definition | Min. | Max. | Units |
| VB | High-side floating supply voltage | -0.3 | 220 | V |
| VS | High-side floating supply voltage (Note 1) | VB-20 | VB+0.3 | |
| VHO | High-side floating output voltage | Vs-0.3 | VB+0.3 | |
| VCSH | CSH pin input voltage | Vs-0.3 | VB+0.3 | |
| VCC | Low-side fixed supply voltage (Note 1) | -0.3 | 20 | |
| VLO | Low-side output voltage | -0.3 | VCC +0.3 | |
| VDD | Floating input supply voltage | -0.3 | 210 | |
| VSS | Floating input supply voltage (Note 1) | (see IDDZ) | VDD+0.3 | |
| VIN | PWM input voltage | VSS -0.3 | VDD+0.3 | |
| VCSD | CSD pin input voltage | VSS -0.3 | VDD+0.3 | |
| VDT | DT pin input voltage | -0.3 | VCC +0.3 | |
| VOCSET | OCSET pin input voltage | -0.3 | VCC +0.3 | |
| VREF | VREF pin voltage | -0.3 | VCC +0.3 | |
| IDDZ | Floating input supply zener clamp current (Note 1) | - | 10 | mA |
| ICCZ | Low-side supply zener clamp current (Note 1) | - | 10 | |
| IBSZ | Floating supply zener clamp current (Note 1) | - | 10 | |
| IOREF | Reference output current | - | 5 | |
| d VS /dt | Allowable VS voltage slew rate | - | 50 | V/ns |
| d VSS /dt | Allowable VSS voltage slew rate (Note 2) | - | 50 | |
| d VSS /dt | Allowable VSS voltage slew rate upon power-up (Note 3) | - | 50 | V/ms |
| PD | Maximum power dissipation | - | 1.0 | W |
| Rth,JA | Thermal resistance, junction to ambient | - | 115 | /W |
| TJ | Junction temperature | - | 150 | |
| TS | Storage temperature | -55 | 150 | |
| TL | Lead temperature (soldering, 10 seconds) | - | 300 |
ratings of these can be limited by the clamping current.
Note2: For the rising and falling edges of step signal of 10 V; Vss=15 V to 200 V.
Note3: Vss ramps up from 0 V to 200 V.
IRS20954S Features
· Floating PWM input enables easy half bridge implementation
· Integrated programmable bi-directional over-current protection with self-reset function
· Programmable compensated preset deadtime for improved THD performances
· High noise immunity
· ±100 V high voltage ratings deliver up to 500W output power
· 3.3 V / 5 V logic compatible input
· Operates up to 800 kHz
· RoHS compliant
· Integrated programmable bi-directional over-current protection with self-reset function
· Programmable compensated preset deadtime for improved THD performances
· High noise immunity
· ±100 V high voltage ratings deliver up to 500W output power
· 3.3 V / 5 V logic compatible input
· Operates up to 800 kHz
· RoHS compliant
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